./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:41:40,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:41:40,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:41:40,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:41:40,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:41:40,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:41:40,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:41:40,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:41:40,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:41:40,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:41:40,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:41:40,241 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:41:40,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:41:40,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:41:40,246 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:41:40,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:41:40,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:41:40,251 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:41:40,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:41:40,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:41:40,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:41:40,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:41:40,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:41:40,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:41:40,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:41:40,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:41:40,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:41:40,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:41:40,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:41:40,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:41:40,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:41:40,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:41:40,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:41:40,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:41:40,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:41:40,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:41:40,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:41:40,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:41:40,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:41:40,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:41:40,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:41:40,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-12 23:41:40,350 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:41:40,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:41:40,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:41:40,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:41:40,352 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:41:40,353 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:41:40,353 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:41:40,353 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:41:40,354 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:41:40,354 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:41:40,354 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:41:40,355 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:41:40,355 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:41:40,355 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:41:40,355 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:41:40,356 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:41:40,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:41:40,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:41:40,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:41:40,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:41:40,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:41:40,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:41:40,358 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:41:40,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:41:40,366 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:41:40,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:41:40,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:41:40,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:41:40,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:41:40,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:41:40,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:41:40,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:41:40,370 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:41:40,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:41:40,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:41:40,371 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:41:40,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:41:40,372 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2021-11-12 23:41:40,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:41:40,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:41:40,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:41:40,792 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:41:40,793 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:41:40,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-12 23:41:40,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/data/d8fe06c95/e6b2e970d03f45d4aab72404a0fc8403/FLAG6029b313f [2021-11-12 23:41:42,147 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:41:42,148 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-12 23:41:42,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/data/d8fe06c95/e6b2e970d03f45d4aab72404a0fc8403/FLAG6029b313f [2021-11-12 23:41:42,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/data/d8fe06c95/e6b2e970d03f45d4aab72404a0fc8403 [2021-11-12 23:41:42,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:41:42,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:41:42,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:41:42,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:41:42,328 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:41:42,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:41:42" (1/1) ... [2021-11-12 23:41:42,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700bfb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:42, skipping insertion in model container [2021-11-12 23:41:42,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:41:42" (1/1) ... [2021-11-12 23:41:42,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:41:42,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:41:45,129 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,138 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,200 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,201 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,202 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,221 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,223 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,223 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,224 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,956 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,969 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,980 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:45,991 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,001 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,013 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,013 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,023 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,052 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,061 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,065 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,069 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,074 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,079 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,081 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,086 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,091 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,096 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,112 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,132 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,148 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,151 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,153 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,161 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,165 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,169 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,192 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,234 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,324 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,344 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,350 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,352 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,373 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,377 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,393 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,396 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,398 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,401 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,406 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,419 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,424 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,441 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,446 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,457 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,459 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,461 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,464 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,483 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,487 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,488 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,488 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,489 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,492 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,510 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,536 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,548 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,562 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,564 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,575 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,579 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,584 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,585 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,592 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,595 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,599 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,603 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,609 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,619 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,628 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,637 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,645 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,652 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,663 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,677 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,680 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,681 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,688 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,693 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,695 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,704 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,721 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,728 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,735 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:46,748 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:47,488 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:47,526 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:47,527 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:47,610 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:47,662 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:47,679 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-12 23:41:48,746 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-11-12 23:41:48,750 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-11-12 23:41:48,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:41:48,839 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-11-12 23:41:48,840 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cb8e430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:48, skipping insertion in model container [2021-11-12 23:41:48,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:41:48,841 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-12 23:41:48,844 INFO L158 Benchmark]: Toolchain (without parser) took 6523.56ms. Allocated memory was 115.3MB in the beginning and 237.0MB in the end (delta: 121.6MB). Free memory was 77.8MB in the beginning and 148.2MB in the end (delta: -70.4MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2021-11-12 23:41:48,844 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:41:48,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6517.95ms. Allocated memory was 115.3MB in the beginning and 237.0MB in the end (delta: 121.6MB). Free memory was 77.7MB in the beginning and 148.2MB in the end (delta: -70.4MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2021-11-12 23:41:48,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6517.95ms. Allocated memory was 115.3MB in the beginning and 237.0MB in the end (delta: 121.6MB). Free memory was 77.7MB in the beginning and 148.2MB in the end (delta: -70.4MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5905]: 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:41:51,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:41:51,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:41:51,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:41:51,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:41:51,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:41:51,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:41:51,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:41:51,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:41:51,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:41:51,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:41:51,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:41:51,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:41:51,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:41:51,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:41:51,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:41:51,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:41:51,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:41:51,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:41:51,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:41:51,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:41:51,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:41:51,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:41:51,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:41:51,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:41:51,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:41:51,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:41:51,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:41:51,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:41:51,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:41:51,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:41:51,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:41:51,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:41:51,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:41:51,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:41:51,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:41:51,738 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:41:51,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:41:51,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:41:51,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:41:51,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:41:51,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-12 23:41:51,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:41:51,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:41:51,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:41:51,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:41:51,791 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:41:51,791 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:41:51,791 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:41:51,791 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:41:51,791 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:41:51,792 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:41:51,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:41:51,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:41:51,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:41:51,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:41:51,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:41:51,793 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:41:51,794 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:41:51,794 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:41:51,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:41:51,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:41:51,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:41:51,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:41:51,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:41:51,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:41:51,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:41:51,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:41:51,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:41:51,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:41:51,800 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:41:51,800 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:41:51,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:41:51,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:41:51,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:41:51,801 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45acb2c796116b4df93c0e090b1e242e2e986b4d7b1240180279cd2f8660db26 [2021-11-12 23:41:52,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:41:52,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:41:52,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:41:52,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:41:52,317 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:41:52,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-12 23:41:52,411 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/data/2ef075e49/ba4a837897de489c987c21a0ce4e48ce/FLAGf4e1420d3 [2021-11-12 23:41:53,841 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:41:53,842 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-12 23:41:53,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/data/2ef075e49/ba4a837897de489c987c21a0ce4e48ce/FLAGf4e1420d3 [2021-11-12 23:41:54,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/data/2ef075e49/ba4a837897de489c987c21a0ce4e48ce [2021-11-12 23:41:54,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:41:54,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:41:54,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:41:54,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:41:54,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:41:54,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:41:54" (1/1) ... [2021-11-12 23:41:54,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a355b7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:41:54, skipping insertion in model container [2021-11-12 23:41:54,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:41:54" (1/1) ... [2021-11-12 23:41:54,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:41:54,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:42:00,877 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-11-12 23:42:00,881 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-11-12 23:42:00,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:42:00,982 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-12 23:42:01,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:42:01,838 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-11-12 23:42:01,838 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-11-12 23:42:01,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:42:01,869 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:42:02,705 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480731,480744] [2021-11-12 23:42:02,706 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_ad06e10d-92f5-4835-b06e-d78e32b60cc5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480876,480889] [2021-11-12 23:42:02,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:42:03,042 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:42:03,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03 WrapperNode [2021-11-12 23:42:03,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:42:03,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:42:03,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:42:03,046 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:42:03,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (1/1) ... [2021-11-12 23:42:03,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (1/1) ... [2021-11-12 23:42:03,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:42:03,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:42:03,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:42:03,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:42:03,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (1/1) ... [2021-11-12 23:42:03,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (1/1) ... [2021-11-12 23:42:03,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (1/1) ... [2021-11-12 23:42:03,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (1/1) ... [2021-11-12 23:42:04,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (1/1) ... [2021-11-12 23:42:04,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (1/1) ... [2021-11-12 23:42:04,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (1/1) ... [2021-11-12 23:42:04,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:42:04,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:42:04,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:42:04,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:42:04,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (1/1) ... [2021-11-12 23:42:04,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:42:04,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:42:04,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:42:04,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:42:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2021-11-12 23:42:04,498 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2021-11-12 23:42:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2021-11-12 23:42:04,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2021-11-12 23:42:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-12 23:42:04,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-12 23:42:04,499 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-12 23:42:04,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-12 23:42:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-12 23:42:04,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-12 23:42:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-12 23:42:04,500 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-12 23:42:04,500 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2021-11-12 23:42:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2021-11-12 23:42:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-12 23:42:04,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-12 23:42:04,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-12 23:42:04,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2021-11-12 23:42:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-12 23:42:04,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2021-11-12 23:42:04,502 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2021-11-12 23:42:04,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2021-11-12 23:42:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2021-11-12 23:42:04,503 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2021-11-12 23:42:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-12 23:42:04,503 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-12 23:42:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2021-11-12 23:42:04,504 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2021-11-12 23:42:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-12 23:42:04,504 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-12 23:42:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2021-11-12 23:42:04,505 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2021-11-12 23:42:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-12 23:42:04,505 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-12 23:42:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 23:42:04,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2021-11-12 23:42:04,506 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-12 23:42:04,506 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-12 23:42:04,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-11-12 23:42:04,506 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-11-12 23:42:04,507 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2021-11-12 23:42:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2021-11-12 23:42:04,507 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-12 23:42:04,507 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-12 23:42:04,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-12 23:42:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-12 23:42:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-12 23:42:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-12 23:42:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-12 23:42:04,510 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-12 23:42:04,511 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-12 23:42:04,512 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-12 23:42:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-12 23:42:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-12 23:42:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-12 23:42:04,513 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2021-11-12 23:42:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2021-11-12 23:42:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-12 23:42:04,514 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-12 23:42:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-12 23:42:04,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:42:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-11-12 23:42:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-11-12 23:42:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-12 23:42:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-12 23:42:04,516 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-11-12 23:42:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-11-12 23:42:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2021-11-12 23:42:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2021-11-12 23:42:04,517 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-12 23:42:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-12 23:42:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-12 23:42:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2021-11-12 23:42:04,519 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-12 23:42:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-12 23:42:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2021-11-12 23:42:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2021-11-12 23:42:04,520 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2021-11-12 23:42:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2021-11-12 23:42:04,521 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-12 23:42:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-12 23:42:04,522 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-12 23:42:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-12 23:42:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-12 23:42:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-12 23:42:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-12 23:42:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-12 23:42:04,523 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-12 23:42:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-12 23:42:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-12 23:42:04,525 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-12 23:42:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-12 23:42:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-12 23:42:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-12 23:42:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-12 23:42:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2021-11-12 23:42:04,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2021-11-12 23:42:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-12 23:42:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-12 23:42:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-12 23:42:04,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-12 23:42:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-12 23:42:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-12 23:42:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-12 23:42:04,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-12 23:42:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-12 23:42:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-12 23:42:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2021-11-12 23:42:04,529 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2021-11-12 23:42:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-12 23:42:04,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-12 23:42:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2021-11-12 23:42:04,535 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2021-11-12 23:42:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-12 23:42:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-12 23:42:04,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-12 23:42:04,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-12 23:42:04,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-12 23:42:04,538 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2021-11-12 23:42:04,539 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2021-11-12 23:42:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2021-11-12 23:42:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2021-11-12 23:42:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-12 23:42:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-12 23:42:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-12 23:42:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-12 23:42:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-12 23:42:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-12 23:42:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-12 23:42:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:42:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-12 23:42:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-12 23:42:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2021-11-12 23:42:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2021-11-12 23:42:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-12 23:42:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-12 23:42:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:42:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-12 23:42:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-12 23:42:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-12 23:42:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2021-11-12 23:42:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2021-11-12 23:42:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2021-11-12 23:42:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2021-11-12 23:42:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2021-11-12 23:42:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2021-11-12 23:42:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-12 23:42:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-12 23:42:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-12 23:42:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-12 23:42:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-12 23:42:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-12 23:42:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2021-11-12 23:42:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2021-11-12 23:42:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-12 23:42:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-12 23:42:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-12 23:42:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-12 23:42:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-12 23:42:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2021-11-12 23:42:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2021-11-12 23:42:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2021-11-12 23:42:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2021-11-12 23:42:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:42:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:42:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2021-11-12 23:42:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2021-11-12 23:42:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-12 23:42:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-12 23:42:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-12 23:42:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-12 23:42:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-12 23:42:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-12 23:42:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-12 23:42:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-12 23:42:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-12 23:42:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-12 23:42:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-12 23:42:04,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-12 23:42:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2021-11-12 23:42:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2021-11-12 23:42:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-12 23:42:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-12 23:42:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2021-11-12 23:42:04,559 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2021-11-12 23:42:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2021-11-12 23:42:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2021-11-12 23:42:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-12 23:42:04,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-12 23:42:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-12 23:42:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-12 23:42:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2021-11-12 23:42:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2021-11-12 23:42:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-12 23:42:04,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-12 23:42:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2021-11-12 23:42:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2021-11-12 23:42:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-12 23:42:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-12 23:42:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-12 23:42:04,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-12 23:42:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2021-11-12 23:42:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2021-11-12 23:42:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-12 23:42:04,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-12 23:42:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-12 23:42:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-12 23:42:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-12 23:42:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-12 23:42:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2021-11-12 23:42:04,564 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2021-11-12 23:42:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2021-11-12 23:42:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2021-11-12 23:42:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-12 23:42:04,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-12 23:42:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2021-11-12 23:42:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2021-11-12 23:42:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:42:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2021-11-12 23:42:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2021-11-12 23:42:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-12 23:42:04,566 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-12 23:42:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-12 23:42:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-12 23:42:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2021-11-12 23:42:04,567 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2021-11-12 23:42:04,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-12 23:42:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-12 23:42:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-12 23:42:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2021-11-12 23:42:04,568 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2021-11-12 23:42:04,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-12 23:42:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-12 23:42:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-12 23:42:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-12 23:42:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-12 23:42:04,569 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-12 23:42:04,571 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-12 23:42:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2021-11-12 23:42:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2021-11-12 23:42:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-11-12 23:42:04,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-11-12 23:42:04,576 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2021-11-12 23:42:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2021-11-12 23:42:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-12 23:42:04,577 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-12 23:42:04,577 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-12 23:42:04,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-12 23:42:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-12 23:42:04,581 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-12 23:42:04,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-12 23:42:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-12 23:42:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-12 23:42:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-12 23:42:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-12 23:42:04,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-12 23:42:04,582 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-11-12 23:42:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-11-12 23:42:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2021-11-12 23:42:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2021-11-12 23:42:04,583 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2021-11-12 23:42:04,583 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2021-11-12 23:42:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2021-11-12 23:42:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2021-11-12 23:42:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-11-12 23:42:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-11-12 23:42:04,584 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-12 23:42:04,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-12 23:42:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-12 23:42:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-12 23:42:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-12 23:42:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-12 23:42:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-12 23:42:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-12 23:42:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:42:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-12 23:42:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-12 23:42:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-12 23:42:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2021-11-12 23:42:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2021-11-12 23:42:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2021-11-12 23:42:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2021-11-12 23:42:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-12 23:42:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-12 23:42:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-12 23:42:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-12 23:42:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-12 23:42:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-12 23:42:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2021-11-12 23:42:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2021-11-12 23:42:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-12 23:42:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-12 23:42:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2021-11-12 23:42:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2021-11-12 23:42:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-12 23:42:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-12 23:42:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-11-12 23:42:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-11-12 23:42:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2021-11-12 23:42:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2021-11-12 23:42:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-12 23:42:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-12 23:42:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2021-11-12 23:42:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2021-11-12 23:42:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-12 23:42:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-12 23:42:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-12 23:42:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-12 23:42:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2021-11-12 23:42:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2021-11-12 23:42:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2021-11-12 23:42:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2021-11-12 23:42:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2021-11-12 23:42:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2021-11-12 23:42:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2021-11-12 23:42:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2021-11-12 23:42:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2021-11-12 23:42:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2021-11-12 23:42:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-12 23:42:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-12 23:42:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-12 23:42:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-12 23:42:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2021-11-12 23:42:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2021-11-12 23:42:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2021-11-12 23:42:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2021-11-12 23:42:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-11-12 23:42:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-11-12 23:42:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2021-11-12 23:42:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2021-11-12 23:42:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2021-11-12 23:42:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2021-11-12 23:42:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2021-11-12 23:42:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2021-11-12 23:42:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-12 23:42:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-12 23:42:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-12 23:42:09,257 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-12 23:44:52,710 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-12 23:44:53,351 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:44:53,352 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-11-12 23:44:53,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:44:53 BoogieIcfgContainer [2021-11-12 23:44:53,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:44:53,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:44:53,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:44:53,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:44:53,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:41:54" (1/3) ... [2021-11-12 23:44:53,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1893b835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:44:53, skipping insertion in model container [2021-11-12 23:44:53,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:42:03" (2/3) ... [2021-11-12 23:44:53,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1893b835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:44:53, skipping insertion in model container [2021-11-12 23:44:53,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:44:53" (3/3) ... [2021-11-12 23:44:53,374 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-12 23:44:53,381 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:44:53,382 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:44:53,512 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:44:53,527 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:44:53,528 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:44:53,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 3966 states, 2832 states have (on average 1.3555790960451977) internal successors, (3839), 2892 states have internal predecessors, (3839), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) [2021-11-12 23:44:53,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-12 23:44:53,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:44:53,723 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:44:53,723 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:44:53,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:44:53,733 INFO L85 PathProgramCache]: Analyzing trace with hash 442050857, now seen corresponding path program 1 times [2021-11-12 23:44:53,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:44:53,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1138267761] [2021-11-12 23:44:53,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:44:53,766 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:44:53,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:44:53,770 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:44:53,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:45:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:02,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 2378 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:45:02,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2021-11-12 23:45:03,391 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2021-11-12 23:45:04,287 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:04,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1138267761] [2021-11-12 23:45:04,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1138267761] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:04,292 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:04,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:45:04,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534262093] [2021-11-12 23:45:04,297 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:04,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:45:04,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:04,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:45:04,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:45:04,370 INFO L87 Difference]: Start difference. First operand has 3966 states, 2832 states have (on average 1.3555790960451977) internal successors, (3839), 2892 states have internal predecessors, (3839), 997 states have call successors, (997), 153 states have call predecessors, (997), 152 states have return successors, (990), 976 states have call predecessors, (990), 990 states have call successors, (990) Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-12 23:45:06,804 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:45:20,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:20,526 INFO L93 Difference]: Finished difference Result 14014 states and 21069 transitions. [2021-11-12 23:45:20,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:45:20,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 224 [2021-11-12 23:45:20,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:20,701 INFO L225 Difference]: With dead ends: 14014 [2021-11-12 23:45:20,701 INFO L226 Difference]: Without dead ends: 9992 [2021-11-12 23:45:20,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 444 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:45:20,785 INFO L933 BasicCegarLoop]: 7325 mSDtfsCounter, 10173 mSDsluCounter, 9134 mSDsCounter, 0 mSdLazyCounter, 2040 mSolverCounterSat, 42 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13672.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10173 SdHoareTripleChecker+Valid, 16459 SdHoareTripleChecker+Invalid, 2083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 110.23ms SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2040 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15120.20ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:20,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10173 Valid, 16459 Invalid, 2083 Unknown, 0 Unchecked, 110.23ms Time], IncrementalHoareTripleChecker [42 Valid, 2040 Invalid, 1 Unknown, 0 Unchecked, 15120.20ms Time] [2021-11-12 23:45:20,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9992 states. [2021-11-12 23:45:21,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9992 to 9986. [2021-11-12 23:45:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9986 states, 7097 states have (on average 1.3539523742426378) internal successors, (9609), 7211 states have internal predecessors, (9609), 2485 states have call successors, (2485), 403 states have call predecessors, (2485), 403 states have return successors, (2485), 2447 states have call predecessors, (2485), 2485 states have call successors, (2485) [2021-11-12 23:45:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9986 states to 9986 states and 14579 transitions. [2021-11-12 23:45:21,897 INFO L78 Accepts]: Start accepts. Automaton has 9986 states and 14579 transitions. Word has length 224 [2021-11-12 23:45:21,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:21,903 INFO L470 AbstractCegarLoop]: Abstraction has 9986 states and 14579 transitions. [2021-11-12 23:45:21,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 4 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2021-11-12 23:45:21,905 INFO L276 IsEmpty]: Start isEmpty. Operand 9986 states and 14579 transitions. [2021-11-12 23:45:21,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-12 23:45:21,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:21,954 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:45:22,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:22,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:22,172 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:45:22,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:22,173 INFO L85 PathProgramCache]: Analyzing trace with hash 768850921, now seen corresponding path program 1 times [2021-11-12 23:45:22,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:22,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1316982938] [2021-11-12 23:45:22,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:22,183 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:22,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:22,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:22,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:45:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:45:30,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 2689 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:45:30,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:45:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 23:45:31,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:45:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2021-11-12 23:45:32,847 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:45:32,847 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1316982938] [2021-11-12 23:45:32,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1316982938] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:45:32,854 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:45:32,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:45:32,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805453270] [2021-11-12 23:45:32,855 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:45:32,858 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:45:32,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:45:32,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:45:32,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:45:32,860 INFO L87 Difference]: Start difference. First operand 9986 states and 14579 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-12 23:45:35,277 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:45:52,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:45:52,774 INFO L93 Difference]: Finished difference Result 39577 states and 57802 transitions. [2021-11-12 23:45:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:45:52,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 262 [2021-11-12 23:45:52,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:45:53,148 INFO L225 Difference]: With dead ends: 39577 [2021-11-12 23:45:53,148 INFO L226 Difference]: Without dead ends: 29626 [2021-11-12 23:45:53,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:45:53,270 INFO L933 BasicCegarLoop]: 7513 mSDtfsCounter, 14817 mSDsluCounter, 9242 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 1885 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16036.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14817 SdHoareTripleChecker+Valid, 16755 SdHoareTripleChecker+Invalid, 3853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 86.71ms SdHoareTripleChecker+Time, 1885 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18250.31ms IncrementalHoareTripleChecker+Time [2021-11-12 23:45:53,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14817 Valid, 16755 Invalid, 3853 Unknown, 0 Unchecked, 86.71ms Time], IncrementalHoareTripleChecker [1885 Valid, 1967 Invalid, 1 Unknown, 0 Unchecked, 18250.31ms Time] [2021-11-12 23:45:53,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29626 states. [2021-11-12 23:45:55,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29626 to 29618. [2021-11-12 23:45:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29618 states, 21043 states have (on average 1.354987406738583) internal successors, (28513), 21385 states have internal predecessors, (28513), 7365 states have call successors, (7365), 1209 states have call predecessors, (7365), 1209 states have return successors, (7371), 7251 states have call predecessors, (7371), 7365 states have call successors, (7371) [2021-11-12 23:45:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29618 states to 29618 states and 43249 transitions. [2021-11-12 23:45:55,742 INFO L78 Accepts]: Start accepts. Automaton has 29618 states and 43249 transitions. Word has length 262 [2021-11-12 23:45:55,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:45:55,744 INFO L470 AbstractCegarLoop]: Abstraction has 29618 states and 43249 transitions. [2021-11-12 23:45:55,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-12 23:45:55,744 INFO L276 IsEmpty]: Start isEmpty. Operand 29618 states and 43249 transitions. [2021-11-12 23:45:56,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-12 23:45:56,037 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:45:56,037 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:45:56,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:45:56,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:45:56,263 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:45:56,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:45:56,265 INFO L85 PathProgramCache]: Analyzing trace with hash -2107500226, now seen corresponding path program 1 times [2021-11-12 23:45:56,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:45:56,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650939805] [2021-11-12 23:45:56,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:45:56,272 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:45:56,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:45:56,273 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:45:56,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:46:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:04,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 2691 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:46:04,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:05,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 23:46:05,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:06,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2021-11-12 23:46:06,387 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:06,388 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650939805] [2021-11-12 23:46:06,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650939805] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:06,388 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:06,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:46:06,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528029220] [2021-11-12 23:46:06,389 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:06,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:46:06,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:06,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:46:06,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:46:06,392 INFO L87 Difference]: Start difference. First operand 29618 states and 43249 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-12 23:46:08,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:46:26,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:46:26,561 INFO L93 Difference]: Finished difference Result 117581 states and 171754 transitions. [2021-11-12 23:46:26,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:46:26,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 267 [2021-11-12 23:46:26,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:46:27,799 INFO L225 Difference]: With dead ends: 117581 [2021-11-12 23:46:27,799 INFO L226 Difference]: Without dead ends: 87998 [2021-11-12 23:46:28,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:46:28,080 INFO L933 BasicCegarLoop]: 7513 mSDtfsCounter, 14814 mSDsluCounter, 9242 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 1886 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15006.36ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14814 SdHoareTripleChecker+Valid, 16755 SdHoareTripleChecker+Invalid, 3854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 63.72ms SdHoareTripleChecker+Time, 1886 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17093.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:46:28,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14814 Valid, 16755 Invalid, 3854 Unknown, 0 Unchecked, 63.72ms Time], IncrementalHoareTripleChecker [1886 Valid, 1967 Invalid, 1 Unknown, 0 Unchecked, 17093.80ms Time] [2021-11-12 23:46:28,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87998 states. [2021-11-12 23:46:33,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87998 to 87982. [2021-11-12 23:46:34,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87982 states, 62469 states have (on average 1.355568361907506) internal successors, (84681), 63495 states have internal predecessors, (84681), 21885 states have call successors, (21885), 3627 states have call predecessors, (21885), 3627 states have return successors, (21921), 21543 states have call predecessors, (21921), 21885 states have call successors, (21921) [2021-11-12 23:46:35,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87982 states to 87982 states and 128487 transitions. [2021-11-12 23:46:35,464 INFO L78 Accepts]: Start accepts. Automaton has 87982 states and 128487 transitions. Word has length 267 [2021-11-12 23:46:35,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:46:35,467 INFO L470 AbstractCegarLoop]: Abstraction has 87982 states and 128487 transitions. [2021-11-12 23:46:35,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-12 23:46:35,467 INFO L276 IsEmpty]: Start isEmpty. Operand 87982 states and 128487 transitions. [2021-11-12 23:46:35,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-12 23:46:35,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:46:35,500 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:46:35,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:46:35,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:46:35,727 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:46:35,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:46:35,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1178684432, now seen corresponding path program 1 times [2021-11-12 23:46:35,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:46:35,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970495883] [2021-11-12 23:46:35,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:46:35,735 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:46:35,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:46:35,739 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:46:35,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:46:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:46:44,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 2688 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:46:44,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:46:45,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-11-12 23:46:45,065 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:46:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2021-11-12 23:46:45,880 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:46:45,880 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970495883] [2021-11-12 23:46:45,881 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970495883] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:46:45,881 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:46:45,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:46:45,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508154079] [2021-11-12 23:46:45,881 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:46:45,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:46:45,882 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:46:45,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:46:45,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:46:45,883 INFO L87 Difference]: Start difference. First operand 87982 states and 128487 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-12 23:46:48,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-12 23:47:11,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:47:11,066 INFO L93 Difference]: Finished difference Result 333505 states and 486570 transitions. [2021-11-12 23:47:11,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:47:11,067 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 266 [2021-11-12 23:47:11,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:47:13,195 INFO L225 Difference]: With dead ends: 333505 [2021-11-12 23:47:13,196 INFO L226 Difference]: Without dead ends: 245558 [2021-11-12 23:47:13,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:47:13,687 INFO L933 BasicCegarLoop]: 7513 mSDtfsCounter, 14811 mSDsluCounter, 9242 mSDsCounter, 0 mSdLazyCounter, 1967 mSolverCounterSat, 1886 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14627.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14811 SdHoareTripleChecker+Valid, 16755 SdHoareTripleChecker+Invalid, 3854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 54.78ms SdHoareTripleChecker+Time, 1886 IncrementalHoareTripleChecker+Valid, 1967 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16673.90ms IncrementalHoareTripleChecker+Time [2021-11-12 23:47:13,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14811 Valid, 16755 Invalid, 3854 Unknown, 0 Unchecked, 54.78ms Time], IncrementalHoareTripleChecker [1886 Valid, 1967 Invalid, 1 Unknown, 0 Unchecked, 16673.90ms Time] [2021-11-12 23:47:13,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245558 states. [2021-11-12 23:47:26,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245558 to 245482. [2021-11-12 23:47:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245482 states, 174363 states have (on average 1.3545821074425193) internal successors, (236189), 177257 states have internal predecessors, (236189), 60773 states have call successors, (60773), 10345 states have call predecessors, (60773), 10345 states have return successors, (60935), 59811 states have call predecessors, (60935), 60773 states have call successors, (60935) [2021-11-12 23:47:30,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245482 states to 245482 states and 357897 transitions. [2021-11-12 23:47:30,142 INFO L78 Accepts]: Start accepts. Automaton has 245482 states and 357897 transitions. Word has length 266 [2021-11-12 23:47:30,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:47:30,143 INFO L470 AbstractCegarLoop]: Abstraction has 245482 states and 357897 transitions. [2021-11-12 23:47:30,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 4 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-11-12 23:47:30,143 INFO L276 IsEmpty]: Start isEmpty. Operand 245482 states and 357897 transitions. [2021-11-12 23:47:30,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-12 23:47:30,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:47:30,158 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:47:30,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-11-12 23:47:30,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:47:30,372 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:47:30,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:47:30,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1083184228, now seen corresponding path program 1 times [2021-11-12 23:47:30,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:47:30,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003327128] [2021-11-12 23:47:30,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:47:30,378 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:47:30,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:47:30,379 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:47:30,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad06e10d-92f5-4835-b06e-d78e32b60cc5/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:47:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:47:38,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 2425 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-12 23:47:38,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:47:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2021-11-12 23:47:39,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:47:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2021-11-12 23:47:40,412 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:47:40,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003327128] [2021-11-12 23:47:40,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2003327128] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:47:40,413 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:47:40,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-12 23:47:40,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061518745] [2021-11-12 23:47:40,414 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:47:40,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:47:40,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:47:40,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:47:40,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:47:40,417 INFO L87 Difference]: Start difference. First operand 245482 states and 357897 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 4 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2021-11-12 23:47:42,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []