./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:51:57,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:51:57,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:51:57,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:51:57,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:51:57,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:51:57,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:51:57,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:51:57,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:51:57,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:51:57,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:51:57,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:51:57,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:51:57,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:51:57,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:51:57,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:51:57,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:51:57,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:51:57,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:51:57,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:51:57,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:51:57,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:51:57,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:51:57,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:51:57,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:51:57,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:51:57,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:51:57,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:51:57,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:51:57,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:51:57,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:51:57,249 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:51:57,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:51:57,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:51:57,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:51:57,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:51:57,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:51:57,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:51:57,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:51:57,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:51:57,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:51:57,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-03 03:51:57,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:51:57,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:51:57,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:51:57,307 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:51:57,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:51:57,307 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:51:57,308 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:51:57,308 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:51:57,308 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:51:57,308 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:51:57,315 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:51:57,315 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:51:57,316 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:51:57,316 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:51:57,316 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:51:57,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:51:57,317 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:51:57,317 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:51:57,317 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:51:57,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:51:57,318 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:51:57,318 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:51:57,318 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:51:57,318 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:51:57,319 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:51:57,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:51:57,319 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:51:57,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:51:57,320 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:51:57,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:51:57,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:51:57,322 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:51:57,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:51:57,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:51:57,322 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:51:57,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:51:57,323 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_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-11-03 03:51:57,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:51:57,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:51:57,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:51:57,651 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:51:57,652 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:51:57,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-03 03:51:57,725 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/data/1d4cfad9a/701018185a4f40d5a81c9bc0aab6bb44/FLAG0e764af02 [2021-11-03 03:51:58,942 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:51:58,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-03 03:51:59,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/data/1d4cfad9a/701018185a4f40d5a81c9bc0aab6bb44/FLAG0e764af02 [2021-11-03 03:51:59,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/data/1d4cfad9a/701018185a4f40d5a81c9bc0aab6bb44 [2021-11-03 03:51:59,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:51:59,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:51:59,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:51:59,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:51:59,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:51:59,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:51:59" (1/1) ... [2021-11-03 03:51:59,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769545fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:51:59, skipping insertion in model container [2021-11-03 03:51:59,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:51:59" (1/1) ... [2021-11-03 03:51:59,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:51:59,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:52:01,476 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:01,483 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:01,526 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:01,527 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:01,528 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:01,534 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:01,535 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:01,535 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:01,536 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,054 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,067 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,078 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,089 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,099 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,110 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,111 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,120 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,140 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,149 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,151 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,155 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,159 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,164 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,166 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,170 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,175 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,179 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,192 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,208 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,220 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,223 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,225 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,231 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,246 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,249 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,289 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,340 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,396 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,399 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,405 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,412 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,418 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,425 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,472 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,474 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,475 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,477 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,481 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,484 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,488 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,490 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,493 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,496 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,497 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,499 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,501 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,505 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,508 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,509 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,509 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,510 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,513 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,516 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,525 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,529 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,537 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,539 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,546 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,549 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,553 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,554 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,557 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,560 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,563 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,566 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,570 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,575 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,580 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,585 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,591 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,596 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,604 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,610 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,613 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,614 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,618 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,619 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,621 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,624 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,631 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,636 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,641 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:02,651 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:03,173 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:03,248 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:03,249 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:03,278 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:03,293 WARN L563 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2021-11-03 03:52:04,309 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-03 03:52:04,312 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-03 03:52:04,313 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-03 03:52:04,313 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-03 03:52:04,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:52:04,414 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) [2021-11-03 03:52:04,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b14bd09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:04, skipping insertion in model container [2021-11-03 03:52:04,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:52:04,415 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-03 03:52:04,418 INFO L168 Benchmark]: Toolchain (without parser) took 5257.80 ms. Allocated memory was 102.8 MB in the beginning and 226.5 MB in the end (delta: 123.7 MB). Free memory was 51.0 MB in the beginning and 138.2 MB in the end (delta: -87.1 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2021-11-03 03:52:04,419 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:52:04,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5253.40 ms. Allocated memory was 102.8 MB in the beginning and 226.5 MB in the end (delta: 123.7 MB). Free memory was 50.7 MB in the beginning and 138.2 MB in the end (delta: -87.5 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2021-11-03 03:52:04,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 102.8 MB. Free memory is still 60.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 5253.40 ms. Allocated memory was 102.8 MB in the beginning and 226.5 MB in the end (delta: 123.7 MB). Free memory was 50.7 MB in the beginning and 138.2 MB in the end (delta: -87.5 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 5904]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:52:06,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:52:06,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:52:06,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:52:06,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:52:06,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:52:06,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:52:06,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:52:06,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:52:06,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:52:06,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:52:06,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:52:06,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:52:06,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:52:06,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:52:06,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:52:06,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:52:06,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:52:06,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:52:06,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:52:06,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:52:06,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:52:06,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:52:06,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:52:06,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:52:06,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:52:06,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:52:06,925 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:52:06,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:52:06,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:52:06,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:52:06,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:52:06,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:52:06,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:52:06,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:52:06,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:52:06,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:52:06,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:52:06,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:52:06,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:52:06,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:52:06,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-03 03:52:06,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:52:06,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:52:07,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:52:07,001 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:52:07,002 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:52:07,002 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:52:07,002 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:52:07,002 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:52:07,003 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:52:07,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:52:07,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:52:07,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:52:07,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:52:07,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:52:07,007 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:52:07,007 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:52:07,007 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:52:07,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:52:07,008 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:52:07,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:52:07,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:52:07,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:52:07,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:52:07,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:52:07,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:52:07,010 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:52:07,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:52:07,010 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:52:07,011 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:52:07,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:52:07,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:52:07,011 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:52:07,012 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_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2021-11-03 03:52:07,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:52:07,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:52:07,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:52:07,497 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:52:07,498 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:52:07,499 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-03 03:52:07,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/data/0ff0b3eda/7aff9274d7bc41728fdc2f4d8bb445a0/FLAGfa409a51e [2021-11-03 03:52:08,764 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:52:08,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-03 03:52:08,859 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/data/0ff0b3eda/7aff9274d7bc41728fdc2f4d8bb445a0/FLAGfa409a51e [2021-11-03 03:52:08,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/data/0ff0b3eda/7aff9274d7bc41728fdc2f4d8bb445a0 [2021-11-03 03:52:08,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:52:08,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:52:08,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:52:08,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:52:08,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:52:08,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:52:08" (1/1) ... [2021-11-03 03:52:08,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c67831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:08, skipping insertion in model container [2021-11-03 03:52:08,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:52:08" (1/1) ... [2021-11-03 03:52:08,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:52:09,190 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:52:14,208 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-03 03:52:14,211 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-03 03:52:14,212 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-03 03:52:14,212 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-03 03:52:14,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:52:14,342 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-03 03:52:14,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:52:15,028 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-03 03:52:15,028 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-03 03:52:15,029 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-03 03:52:15,029 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-03 03:52:15,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:52:15,054 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:52:15,669 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2021-11-03 03:52:15,683 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2021-11-03 03:52:15,684 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2021-11-03 03:52:15,684 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_ce8e890c-2716-4395-a6d1-b3116062bd74/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2021-11-03 03:52:15,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:52:16,093 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:52:16,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16 WrapperNode [2021-11-03 03:52:16,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:52:16,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:52:16,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:52:16,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:52:16,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (1/1) ... [2021-11-03 03:52:16,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (1/1) ... [2021-11-03 03:52:18,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:52:18,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:52:18,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:52:18,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:52:18,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (1/1) ... [2021-11-03 03:52:18,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (1/1) ... [2021-11-03 03:52:19,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (1/1) ... [2021-11-03 03:52:19,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (1/1) ... [2021-11-03 03:52:20,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (1/1) ... [2021-11-03 03:52:21,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (1/1) ... [2021-11-03 03:52:21,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (1/1) ... [2021-11-03 03:52:21,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:52:21,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:52:21,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:52:21,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:52:21,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (1/1) ... [2021-11-03 03:52:21,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:52:21,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:52:21,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:52:21,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:52:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2021-11-03 03:52:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2021-11-03 03:52:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2021-11-03 03:52:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2021-11-03 03:52:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2021-11-03 03:52:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2021-11-03 03:52:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2021-11-03 03:52:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2021-11-03 03:52:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-03 03:52:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:52:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:52:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-03 03:52:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-03 03:52:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-03 03:52:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2021-11-03 03:52:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2021-11-03 03:52:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2021-11-03 03:52:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:52:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-03 03:52:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-03 03:52:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-03 03:52:21,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-03 03:52:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2021-11-03 03:52:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2021-11-03 03:52:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-03 03:52:21,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:52:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:52:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-03 03:52:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-03 03:52:21,997 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2021-11-03 03:52:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2021-11-03 03:52:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 03:52:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-03 03:52:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-03 03:52:21,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-03 03:52:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2021-11-03 03:52:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2021-11-03 03:52:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2021-11-03 03:52:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2021-11-03 03:52:21,999 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2021-11-03 03:52:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2021-11-03 03:52:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2021-11-03 03:52:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2021-11-03 03:52:22,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:52:22,001 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2021-11-03 03:52:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2021-11-03 03:52:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2021-11-03 03:52:22,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2021-11-03 03:52:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-03 03:52:22,002 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2021-11-03 03:52:22,003 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2021-11-03 03:52:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-03 03:52:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-03 03:52:22,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-03 03:52:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 03:52:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-03 03:52:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2021-11-03 03:52:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2021-11-03 03:52:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2021-11-03 03:52:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2021-11-03 03:52:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2021-11-03 03:52:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2021-11-03 03:52:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-11-03 03:52:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-11-03 03:52:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-03 03:52:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-03 03:52:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-03 03:52:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-03 03:52:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2021-11-03 03:52:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2021-11-03 03:52:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2021-11-03 03:52:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2021-11-03 03:52:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2021-11-03 03:52:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2021-11-03 03:52:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-03 03:57:40,620 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res := 0bv32; [2021-11-03 03:57:40,620 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res := 0bv32; [2021-11-03 03:57:40,620 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break: ldv_switch_1_#res := 0bv32; [2021-11-03 03:57:40,621 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res := 0bv32; [2021-11-03 03:57:40,621 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res := 0bv32; [2021-11-03 03:57:40,621 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res := 0bv32; [2021-11-03 03:57:40,621 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res := 0bv32; [2021-11-03 03:57:40,621 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res := 0bv32; [2021-11-03 03:57:40,621 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#7: ldv_switch_0_#res := 0bv32; [2021-11-03 03:57:40,622 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#8: ldv_switch_0_#res := 0bv32; [2021-11-03 03:57:40,623 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-03 03:57:40,624 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break: ldv_switch_0_#res := 0bv32; [2021-11-03 03:57:45,259 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:57:45,259 INFO L299 CfgBuilder]: Removed 21838 assume(true) statements. [2021-11-03 03:57:45,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:57:45 BoogieIcfgContainer [2021-11-03 03:57:45,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:57:45,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:57:45,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:57:45,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:57:45,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:52:08" (1/3) ... [2021-11-03 03:57:45,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250d632c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:57:45, skipping insertion in model container [2021-11-03 03:57:45,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:52:16" (2/3) ... [2021-11-03 03:57:45,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@250d632c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:57:45, skipping insertion in model container [2021-11-03 03:57:45,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:57:45" (3/3) ... [2021-11-03 03:57:45,283 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2021-11-03 03:57:45,289 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:57:45,289 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 91 error locations. [2021-11-03 03:57:45,402 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:57:45,409 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 [2021-11-03 03:57:45,410 INFO L340 AbstractCegarLoop]: Starting to check reachability of 91 error locations. [2021-11-03 03:57:45,713 INFO L276 IsEmpty]: Start isEmpty. Operand has 17891 states, 17691 states have (on average 1.2968741167825448) internal successors, (22943), 17782 states have internal predecessors, (22943), 87 states have call successors, (87), 22 states have call predecessors, (87), 22 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2021-11-03 03:57:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-03 03:57:45,722 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:57:45,723 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:57:45,724 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [dc21041_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION (and 88 more)] === [2021-11-03 03:57:45,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:57:45,729 INFO L85 PathProgramCache]: Analyzing trace with hash 778897728, now seen corresponding path program 1 times [2021-11-03 03:57:45,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:57:45,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1052939723] [2021-11-03 03:57:45,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:57:45,752 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:57:45,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:57:45,768 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:57:45,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:57:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:57:50,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 1672 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:57:50,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:57:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:51,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:51,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:51,397 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:57:51,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1052939723] [2021-11-03 03:57:51,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1052939723] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:57:51,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:57:51,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:57:51,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42415542] [2021-11-03 03:57:51,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:57:51,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:57:51,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:57:51,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:57:51,456 INFO L87 Difference]: Start difference. First operand has 17891 states, 17691 states have (on average 1.2968741167825448) internal successors, (22943), 17782 states have internal predecessors, (22943), 87 states have call successors, (87), 22 states have call predecessors, (87), 22 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:57:59,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:57:59,160 INFO L93 Difference]: Finished difference Result 69446 states and 89948 transitions. [2021-11-03 03:57:59,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:57:59,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-11-03 03:57:59,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:57:59,597 INFO L225 Difference]: With dead ends: 69446 [2021-11-03 03:57:59,597 INFO L226 Difference]: Without dead ends: 51260 [2021-11-03 03:57:59,953 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:58:00,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51260 states. [2021-11-03 03:58:02,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51260 to 51000. [2021-11-03 03:58:02,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51000 states, 50582 states have (on average 1.2731208730378396) internal successors, (64397), 50675 states have internal predecessors, (64397), 261 states have call successors, (261), 66 states have call predecessors, (261), 66 states have return successors, (261), 261 states have call predecessors, (261), 261 states have call successors, (261) [2021-11-03 03:58:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51000 states to 51000 states and 64919 transitions. [2021-11-03 03:58:02,963 INFO L78 Accepts]: Start accepts. Automaton has 51000 states and 64919 transitions. Word has length 60 [2021-11-03 03:58:02,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:58:02,967 INFO L470 AbstractCegarLoop]: Abstraction has 51000 states and 64919 transitions. [2021-11-03 03:58:02,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:02,968 INFO L276 IsEmpty]: Start isEmpty. Operand 51000 states and 64919 transitions. [2021-11-03 03:58:02,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-03 03:58:02,980 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:58:02,980 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:58:03,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:58:03,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:58:03,181 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION === [dc21041_autoconfErr0ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr1ASSERT_VIOLATIONERROR_FUNCTION, dc21041_autoconfErr2ASSERT_VIOLATIONERROR_FUNCTION (and 88 more)] === [2021-11-03 03:58:03,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:58:03,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1202312009, now seen corresponding path program 1 times [2021-11-03 03:58:03,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:58:03,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536586015] [2021-11-03 03:58:03,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:58:03,186 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:58:03,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:58:03,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:58:03,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce8e890c-2716-4395-a6d1-b3116062bd74/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:58:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:58:08,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 1704 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-03 03:58:08,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:58:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:08,593 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:58:08,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:58:08,793 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:58:08,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536586015] [2021-11-03 03:58:08,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536586015] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:58:08,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:58:08,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-03 03:58:08,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372405320] [2021-11-03 03:58:08,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:58:08,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:58:08,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:58:08,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:58:08,798 INFO L87 Difference]: Start difference. First operand 51000 states and 64919 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-03 03:58:20,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:58:20,401 INFO L93 Difference]: Finished difference Result 199607 states and 254937 transitions. [2021-11-03 03:58:20,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:58:20,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-11-03 03:58:20,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:58:21,845 INFO L225 Difference]: With dead ends: 199607 [2021-11-03 03:58:21,845 INFO L226 Difference]: Without dead ends: 148731 [2021-11-03 03:58:22,297 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:58:22,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148731 states.