./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-23 04:14:34,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 04:14:34,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 04:14:35,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 04:14:35,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 04:14:35,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 04:14:35,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 04:14:35,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 04:14:35,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 04:14:35,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 04:14:35,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 04:14:35,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 04:14:35,028 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 04:14:35,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 04:14:35,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 04:14:35,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 04:14:35,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 04:14:35,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 04:14:35,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 04:14:35,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 04:14:35,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 04:14:35,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 04:14:35,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 04:14:35,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 04:14:35,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 04:14:35,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 04:14:35,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 04:14:35,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 04:14:35,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 04:14:35,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 04:14:35,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 04:14:35,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 04:14:35,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 04:14:35,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 04:14:35,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 04:14:35,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 04:14:35,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 04:14:35,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 04:14:35,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 04:14:35,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 04:14:35,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 04:14:35,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 04:14:35,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 04:14:35,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 04:14:35,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 04:14:35,085 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 04:14:35,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 04:14:35,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 04:14:35,086 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 04:14:35,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 04:14:35,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 04:14:35,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 04:14:35,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 04:14:35,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 04:14:35,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 04:14:35,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 04:14:35,088 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 04:14:35,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 04:14:35,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 04:14:35,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 04:14:35,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 04:14:35,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 04:14:35,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 04:14:35,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 04:14:35,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 04:14:35,089 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 04:14:35,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 04:14:35,089 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 04:14:35,089 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 04:14:35,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 04:14:35,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 04:14:35,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 [2021-11-23 04:14:35,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 04:14:35,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 04:14:35,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 04:14:35,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 04:14:35,297 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 04:14:35,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-23 04:14:35,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/518eb268d/b465923053fd4c8fb1ba28f2d7d490fa/FLAGe88bb79e6 [2021-11-23 04:14:36,059 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 04:14:36,059 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-23 04:14:36,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/518eb268d/b465923053fd4c8fb1ba28f2d7d490fa/FLAGe88bb79e6 [2021-11-23 04:14:36,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/518eb268d/b465923053fd4c8fb1ba28f2d7d490fa [2021-11-23 04:14:36,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 04:14:36,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 04:14:36,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 04:14:36,381 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 04:14:36,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 04:14:36,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:14:36" (1/1) ... [2021-11-23 04:14:36,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e620390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:36, skipping insertion in model container [2021-11-23 04:14:36,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:14:36" (1/1) ... [2021-11-23 04:14:36,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 04:14:36,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 04:14:39,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2021-11-23 04:14:39,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2021-11-23 04:14:39,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 04:14:39,356 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 04:14:39,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2021-11-23 04:14:39,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2021-11-23 04:14:39,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 04:14:39,834 INFO L208 MainTranslator]: Completed translation [2021-11-23 04:14:39,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39 WrapperNode [2021-11-23 04:14:39,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 04:14:39,836 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 04:14:39,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 04:14:39,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 04:14:39,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (1/1) ... [2021-11-23 04:14:39,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (1/1) ... [2021-11-23 04:14:47,941 INFO L137 Inliner]: procedures = 548, calls = 4413, calls flagged for inlining = 1224, calls inlined = 84522, statements flattened = 538534 [2021-11-23 04:14:47,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 04:14:47,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 04:14:47,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 04:14:47,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 04:14:47,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (1/1) ... [2021-11-23 04:14:47,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (1/1) ... [2021-11-23 04:14:50,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (1/1) ... [2021-11-23 04:14:50,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (1/1) ... [2021-11-23 04:14:54,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (1/1) ... [2021-11-23 04:14:55,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (1/1) ... [2021-11-23 04:14:55,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (1/1) ... [2021-11-23 04:14:59,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 04:14:59,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 04:14:59,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 04:14:59,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 04:14:59,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (1/1) ... [2021-11-23 04:14:59,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 04:14:59,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-23 04:14:59,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 04:14:59,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_122 [2021-11-23 04:14:59,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 04:14:59,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_122 [2021-11-23 04:14:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_107 [2021-11-23 04:14:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_107 [2021-11-23 04:14:59,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-23 04:14:59,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-23 04:14:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-23 04:14:59,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-23 04:14:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 04:14:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 04:14:59,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 04:14:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 04:14:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 04:14:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 04:14:59,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 04:14:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 04:14:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 04:14:59,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-23 04:14:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-23 04:14:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-11-23 04:14:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-11-23 04:14:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 04:14:59,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 04:14:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 04:14:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 04:14:59,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 04:14:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 04:14:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 04:14:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2021-11-23 04:14:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2021-11-23 04:14:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2021-11-23 04:14:59,308 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2021-11-23 04:14:59,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 04:14:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-23 04:14:59,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-23 04:14:59,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 04:15:00,297 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 04:15:00,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 04:16:47,686 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_pci_pci_instance_2_switch_break#1: call ULTIMATE.dealloc(ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0#1.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0#1.offset);havoc ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0#1.base, ldv_pci_pci_instance_2_~#ldv_2_resource_pm_message~0#1.offset; [2021-11-23 04:16:47,691 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L12303: #t~ret1749#1 := main_#res#1;assume { :end_inline_main } true; [2021-11-23 04:16:47,696 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 04:16:47,709 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_entry_EMGentry_16_returnLabel#1: assume { :end_inline_ldv_entry_EMGentry_16 } true;main_#res#1 := 0; [2021-11-23 04:16:47,735 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 04:16:48,235 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 04:16:48,236 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 04:16:48,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:16:48 BoogieIcfgContainer [2021-11-23 04:16:48,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 04:16:48,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 04:16:48,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 04:16:48,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 04:16:48,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:14:36" (1/3) ... [2021-11-23 04:16:48,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c11727d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:16:48, skipping insertion in model container [2021-11-23 04:16:48,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:14:39" (2/3) ... [2021-11-23 04:16:48,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c11727d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:16:48, skipping insertion in model container [2021-11-23 04:16:48,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:16:48" (3/3) ... [2021-11-23 04:16:48,319 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-11-23 04:16:48,323 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 04:16:48,323 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2021-11-23 04:16:48,604 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 04:16:48,608 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=PETRI_NET, 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 [2021-11-23 04:16:48,608 INFO L340 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2021-11-23 04:16:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand has 129085 states, 129000 states have (on average 1.2101627906976744) internal successors, (156111), 129040 states have internal predecessors, (156111), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2021-11-23 04:16:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 04:16:50,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:16:50,154 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:16:50,155 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [boomerang_rxErr0ASSERT_VIOLATIONERROR_FUNCTION, boomerang_rxErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-11-23 04:16:50,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:16:50,162 INFO L85 PathProgramCache]: Analyzing trace with hash 583352118, now seen corresponding path program 1 times [2021-11-23 04:16:50,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:16:50,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372776555] [2021-11-23 04:16:50,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:16:50,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:16:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:16:50,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:16:50,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:16:50,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372776555] [2021-11-23 04:16:50,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372776555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:16:50,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:16:50,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 04:16:50,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79011337] [2021-11-23 04:16:50,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:16:50,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 04:16:50,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:16:50,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 04:16:50,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:16:50,996 INFO L87 Difference]: Start difference. First operand has 129085 states, 129000 states have (on average 1.2101627906976744) internal successors, (156111), 129040 states have internal predecessors, (156111), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:16:55,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:16:55,509 INFO L93 Difference]: Finished difference Result 258131 states and 312348 transitions. [2021-11-23 04:16:55,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:16:55,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2021-11-23 04:16:55,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:16:55,976 INFO L225 Difference]: With dead ends: 258131 [2021-11-23 04:16:55,976 INFO L226 Difference]: Without dead ends: 118680 [2021-11-23 04:16:56,258 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 04:16:56,262 INFO L933 BasicCegarLoop]: 155895 mSDtfsCounter, 155869 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155869 SdHoareTripleChecker+Valid, 155895 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 04:16:56,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155869 Valid, 155895 Invalid, 81 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [39 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 04:16:56,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118680 states. [2021-11-23 04:16:59,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118680 to 118680. [2021-11-23 04:16:59,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118680 states, 118595 states have (on average 1.14303301150976) internal successors, (135558), 118635 states have internal predecessors, (135558), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2021-11-23 04:17:00,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118680 states to 118680 states and 135628 transitions. [2021-11-23 04:17:00,242 INFO L78 Accepts]: Start accepts. Automaton has 118680 states and 135628 transitions. Word has length 72 [2021-11-23 04:17:00,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 04:17:00,242 INFO L470 AbstractCegarLoop]: Abstraction has 118680 states and 135628 transitions. [2021-11-23 04:17:00,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 2 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 04:17:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 118680 states and 135628 transitions. [2021-11-23 04:17:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 04:17:00,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 04:17:00,246 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 04:17:00,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 04:17:00,246 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION === [boomerang_rxErr0ASSERT_VIOLATIONERROR_FUNCTION, boomerang_rxErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2021-11-23 04:17:00,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 04:17:00,247 INFO L85 PathProgramCache]: Analyzing trace with hash 904112214, now seen corresponding path program 1 times [2021-11-23 04:17:00,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 04:17:00,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994729838] [2021-11-23 04:17:00,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 04:17:00,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 04:17:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 04:17:00,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 04:17:00,563 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 04:17:00,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994729838] [2021-11-23 04:17:00,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994729838] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 04:17:00,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 04:17:00,566 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 04:17:00,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512047176] [2021-11-23 04:17:00,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 04:17:00,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 04:17:00,568 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 04:17:00,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 04:17:00,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 04:17:00,574 INFO L87 Difference]: Start difference. First operand 118680 states and 135628 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 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) [2021-11-23 04:17:04,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 04:17:04,717 INFO L93 Difference]: Finished difference Result 237329 states and 271258 transitions. [2021-11-23 04:17:04,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 04:17:04,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 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 73 [2021-11-23 04:17:04,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 04:17:05,063 INFO L225 Difference]: With dead ends: 237329 [2021-11-23 04:17:05,063 INFO L226 Difference]: Without dead ends: 118680 [2021-11-23 04:17:05,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 04:17:05,315 INFO L933 BasicCegarLoop]: 135508 mSDtfsCounter, 270966 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270966 SdHoareTripleChecker+Valid, 135508 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 04:17:05,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270966 Valid, 135508 Invalid, 260 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [180 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 04:17:05,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118680 states. [2021-11-23 04:17:08,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118680 to 118680. [2021-11-23 04:17:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118680 states, 118595 states have (on average 1.142695729162275) internal successors, (135518), 118635 states have internal predecessors, (135518), 35 states have call successors, (35), 10 states have call predecessors, (35), 10 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35)