./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.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 046f5371192e04edfcb404c42cbf904dba4f5de1b9feb443275d06b623bd9ae5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 01:10:07,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 01:10:07,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 01:10:07,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 01:10:07,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 01:10:07,302 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 01:10:07,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 01:10:07,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 01:10:07,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 01:10:07,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 01:10:07,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 01:10:07,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 01:10:07,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 01:10:07,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 01:10:07,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 01:10:07,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 01:10:07,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 01:10:07,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 01:10:07,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 01:10:07,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 01:10:07,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 01:10:07,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 01:10:07,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 01:10:07,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 01:10:07,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 01:10:07,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 01:10:07,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 01:10:07,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 01:10:07,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 01:10:07,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 01:10:07,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 01:10:07,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 01:10:07,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 01:10:07,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 01:10:07,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 01:10:07,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 01:10:07,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 01:10:07,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 01:10:07,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 01:10:07,337 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 01:10:07,338 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 01:10:07,339 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 01:10:07,361 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 01:10:07,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 01:10:07,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 01:10:07,362 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 01:10:07,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 01:10:07,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 01:10:07,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 01:10:07,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 01:10:07,364 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 01:10:07,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 01:10:07,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 01:10:07,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 01:10:07,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 01:10:07,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 01:10:07,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 01:10:07,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 01:10:07,365 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 01:10:07,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 01:10:07,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 01:10:07,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 01:10:07,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 01:10:07,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:10:07,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 01:10:07,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 01:10:07,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 01:10:07,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 01:10:07,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 01:10:07,368 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 01:10:07,368 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 01:10:07,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 01:10:07,368 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 01:10:07,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 046f5371192e04edfcb404c42cbf904dba4f5de1b9feb443275d06b623bd9ae5 [2021-11-17 01:10:07,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 01:10:07,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 01:10:07,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 01:10:07,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 01:10:07,563 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 01:10:07,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i [2021-11-17 01:10:07,601 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c50d70e8/8a160ce80d0b42568dc0234b6d2935eb/FLAGa44cb8d84 [2021-11-17 01:10:08,377 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 01:10:08,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i [2021-11-17 01:10:08,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c50d70e8/8a160ce80d0b42568dc0234b6d2935eb/FLAGa44cb8d84 [2021-11-17 01:10:08,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c50d70e8/8a160ce80d0b42568dc0234b6d2935eb [2021-11-17 01:10:08,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 01:10:08,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 01:10:08,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 01:10:08,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 01:10:08,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 01:10:08,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:10:08" (1/1) ... [2021-11-17 01:10:08,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c695c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:08, skipping insertion in model container [2021-11-17 01:10:08,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:10:08" (1/1) ... [2021-11-17 01:10:08,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 01:10:08,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 01:10:09,220 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6674] [2021-11-17 01:10:09,221 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6675-6676] [2021-11-17 01:10:09,630 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i[206918,206931] [2021-11-17 01:10:12,946 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:10:13,037 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 01:10:13,120 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6674] [2021-11-17 01:10:13,121 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6675-6676] [2021-11-17 01:10:13,129 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-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i[206918,206931] [2021-11-17 01:10:13,463 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:10:13,997 INFO L208 MainTranslator]: Completed translation [2021-11-17 01:10:13,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13 WrapperNode [2021-11-17 01:10:13,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 01:10:13,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 01:10:13,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 01:10:13,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 01:10:14,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (1/1) ... [2021-11-17 01:10:14,196 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (1/1) ... [2021-11-17 01:10:14,637 INFO L137 Inliner]: procedures = 855, calls = 12302, calls flagged for inlining = 306, calls inlined = 282, statements flattened = 20059 [2021-11-17 01:10:14,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 01:10:14,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 01:10:14,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 01:10:14,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 01:10:14,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (1/1) ... [2021-11-17 01:10:14,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (1/1) ... [2021-11-17 01:10:14,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (1/1) ... [2021-11-17 01:10:14,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (1/1) ... [2021-11-17 01:10:15,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (1/1) ... [2021-11-17 01:10:15,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (1/1) ... [2021-11-17 01:10:15,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (1/1) ... [2021-11-17 01:10:15,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 01:10:15,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 01:10:15,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 01:10:15,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 01:10:15,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (1/1) ... [2021-11-17 01:10:15,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:10:15,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:10:15,367 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) [2021-11-17 01:10:15,435 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 [2021-11-17 01:10:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2021-11-17 01:10:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2021-11-17 01:10:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-17 01:10:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-17 01:10:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2021-11-17 01:10:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2021-11-17 01:10:15,474 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 01:10:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 01:10:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2021-11-17 01:10:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2021-11-17 01:10:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2021-11-17 01:10:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2021-11-17 01:10:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 01:10:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 01:10:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2021-11-17 01:10:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2021-11-17 01:10:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 01:10:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 01:10:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-17 01:10:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-17 01:10:15,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 01:10:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 01:10:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-17 01:10:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2021-11-17 01:10:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2021-11-17 01:10:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2021-11-17 01:10:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2021-11-17 01:10:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2021-11-17 01:10:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 01:10:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 01:10:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 01:10:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 01:10:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2021-11-17 01:10:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2021-11-17 01:10:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2021-11-17 01:10:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2021-11-17 01:10:15,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-17 01:10:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 01:10:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 01:10:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2021-11-17 01:10:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2021-11-17 01:10:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2021-11-17 01:10:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2021-11-17 01:10:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2021-11-17 01:10:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2021-11-17 01:10:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure __platform_driver_register [2021-11-17 01:10:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __platform_driver_register [2021-11-17 01:10:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 01:10:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 01:10:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2021-11-17 01:10:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2021-11-17 01:10:15,477 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2021-11-17 01:10:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2021-11-17 01:10:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2021-11-17 01:10:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2021-11-17 01:10:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 01:10:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 01:10:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-17 01:10:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2021-11-17 01:10:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dma_operation_mode [2021-11-17 01:10:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dma_operation_mode [2021-11-17 01:10:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2021-11-17 01:10:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2021-11-17 01:10:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2021-11-17 01:10:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2021-11-17 01:10:15,478 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2021-11-17 01:10:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2021-11-17 01:10:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 01:10:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-17 01:10:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2021-11-17 01:10:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2021-11-17 01:10:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2021-11-17 01:10:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2021-11-17 01:10:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2021-11-17 01:10:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 01:10:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 01:10:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2021-11-17 01:10:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2021-11-17 01:10:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2021-11-17 01:10:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2021-11-17 01:10:15,479 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2021-11-17 01:10:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2021-11-17 01:10:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-17 01:10:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-17 01:10:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2021-11-17 01:10:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2021-11-17 01:10:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2021-11-17 01:10:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2021-11-17 01:10:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 01:10:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2021-11-17 01:10:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2021-11-17 01:10:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2021-11-17 01:10:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2021-11-17 01:10:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 01:10:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 01:10:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 01:10:15,480 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2021-11-17 01:10:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2021-11-17 01:10:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 01:10:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2021-11-17 01:10:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2021-11-17 01:10:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 01:10:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-17 01:10:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-17 01:10:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-17 01:10:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-17 01:10:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-17 01:10:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-17 01:10:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2021-11-17 01:10:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2021-11-17 01:10:15,481 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 01:10:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 01:10:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2021-11-17 01:10:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2021-11-17 01:10:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 01:10:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 01:10:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2021-11-17 01:10:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2021-11-17 01:10:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-17 01:10:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-17 01:10:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm___0 [2021-11-17 01:10:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm___0 [2021-11-17 01:10:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-11-17 01:10:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-11-17 01:10:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 01:10:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 01:10:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2021-11-17 01:10:15,483 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2021-11-17 01:10:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2021-11-17 01:10:15,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2021-11-17 01:10:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-17 01:10:15,484 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-17 01:10:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2021-11-17 01:10:15,484 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2021-11-17 01:10:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-17 01:10:15,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-17 01:10:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2021-11-17 01:10:15,484 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2021-11-17 01:10:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2021-11-17 01:10:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2021-11-17 01:10:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 01:10:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 01:10:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2021-11-17 01:10:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2021-11-17 01:10:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2021-11-17 01:10:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2021-11-17 01:10:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2021-11-17 01:10:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2021-11-17 01:10:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2021-11-17 01:10:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2021-11-17 01:10:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2021-11-17 01:10:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2021-11-17 01:10:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2021-11-17 01:10:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2021-11-17 01:10:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 01:10:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 01:10:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2021-11-17 01:10:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2021-11-17 01:10:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 01:10:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 01:10:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2021-11-17 01:10:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2021-11-17 01:10:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2021-11-17 01:10:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2021-11-17 01:10:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-11-17 01:10:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-11-17 01:10:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2021-11-17 01:10:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2021-11-17 01:10:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 01:10:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 01:10:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 01:10:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2021-11-17 01:10:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2021-11-17 01:10:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-11-17 01:10:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-11-17 01:10:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 01:10:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 01:10:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dma_init [2021-11-17 01:10:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dma_init [2021-11-17 01:10:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm___0 [2021-11-17 01:10:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm___0 [2021-11-17 01:10:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 01:10:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2021-11-17 01:10:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2021-11-17 01:10:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2021-11-17 01:10:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2021-11-17 01:10:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2021-11-17 01:10:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2021-11-17 01:10:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 01:10:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 01:10:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2021-11-17 01:10:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2021-11-17 01:10:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2021-11-17 01:10:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2021-11-17 01:10:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-17 01:10:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-17 01:10:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-17 01:10:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-17 01:10:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2021-11-17 01:10:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2021-11-17 01:10:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 01:10:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 01:10:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-11-17 01:10:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-11-17 01:10:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2021-11-17 01:10:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2021-11-17 01:10:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2021-11-17 01:10:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2021-11-17 01:10:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 01:10:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 01:10:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2021-11-17 01:10:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2021-11-17 01:10:15,506 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-17 01:10:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-17 01:10:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_dma_regs [2021-11-17 01:10:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_dma_regs [2021-11-17 01:10:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-17 01:10:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-17 01:10:15,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 01:10:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2021-11-17 01:10:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2021-11-17 01:10:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2021-11-17 01:10:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2021-11-17 01:10:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 01:10:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 01:10:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 01:10:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-17 01:10:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-17 01:10:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2021-11-17 01:10:15,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2021-11-17 01:10:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 01:10:15,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 01:10:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2021-11-17 01:10:15,510 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2021-11-17 01:10:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2021-11-17 01:10:15,510 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2021-11-17 01:10:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2021-11-17 01:10:15,510 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2021-11-17 01:10:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2021-11-17 01:10:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2021-11-17 01:10:15,511 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2021-11-17 01:10:15,511 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2021-11-17 01:10:15,512 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 01:10:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 01:10:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2021-11-17 01:10:15,514 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2021-11-17 01:10:15,514 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 01:10:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 01:10:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2021-11-17 01:10:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2021-11-17 01:10:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 01:10:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 01:10:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2021-11-17 01:10:15,519 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2021-11-17 01:10:15,519 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2021-11-17 01:10:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2021-11-17 01:10:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2021-11-17 01:10:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2021-11-17 01:10:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2021-11-17 01:10:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2021-11-17 01:10:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-17 01:10:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-17 01:10:15,520 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 01:10:15,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 01:10:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 01:10:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 01:10:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2021-11-17 01:10:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2021-11-17 01:10:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 01:10:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 01:10:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2021-11-17 01:10:15,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2021-11-17 01:10:15,521 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2021-11-17 01:10:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2021-11-17 01:10:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 01:10:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2021-11-17 01:10:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2021-11-17 01:10:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2021-11-17 01:10:15,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2021-11-17 01:10:15,522 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-17 01:10:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-17 01:10:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 01:10:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 01:10:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2021-11-17 01:10:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2021-11-17 01:10:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 01:10:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 01:10:15,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-11-17 01:10:15,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-11-17 01:10:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-11-17 01:10:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-11-17 01:10:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs___0 [2021-11-17 01:10:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs___0 [2021-11-17 01:10:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-11-17 01:10:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-11-17 01:10:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-11-17 01:10:15,524 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-11-17 01:10:15,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 01:10:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 01:10:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 01:10:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 01:10:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-11-17 01:10:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-11-17 01:10:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2021-11-17 01:10:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2021-11-17 01:10:15,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-17 01:10:15,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2021-11-17 01:10:15,526 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2021-11-17 01:10:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2021-11-17 01:10:15,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-17 01:10:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-17 01:10:15,526 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2021-11-17 01:10:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2021-11-17 01:10:15,526 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2021-11-17 01:10:15,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2021-11-17 01:10:15,526 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2021-11-17 01:10:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2021-11-17 01:10:15,527 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2021-11-17 01:10:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2021-11-17 01:10:15,527 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2021-11-17 01:10:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2021-11-17 01:10:15,527 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2021-11-17 01:10:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2021-11-17 01:10:15,527 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2021-11-17 01:10:15,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2021-11-17 01:10:15,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-17 01:10:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-17 01:10:15,528 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2021-11-17 01:10:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2021-11-17 01:10:15,528 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2021-11-17 01:10:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2021-11-17 01:10:15,528 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2021-11-17 01:10:15,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2021-11-17 01:10:15,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 01:10:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 01:10:15,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 01:10:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 01:10:15,529 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2021-11-17 01:10:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2021-11-17 01:10:15,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-17 01:10:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2021-11-17 01:10:15,529 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 01:10:15,529 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 01:10:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2021-11-17 01:10:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2021-11-17 01:10:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2021-11-17 01:10:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2021-11-17 01:10:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2021-11-17 01:10:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2021-11-17 01:10:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 01:10:15,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 01:10:15,530 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3___0 [2021-11-17 01:10:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3___0 [2021-11-17 01:10:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2021-11-17 01:10:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2021-11-17 01:10:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2021-11-17 01:10:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2021-11-17 01:10:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-11-17 01:10:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-11-17 01:10:15,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 01:10:15,531 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 01:10:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2021-11-17 01:10:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2021-11-17 01:10:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2021-11-17 01:10:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2021-11-17 01:10:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 01:10:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2021-11-17 01:10:15,532 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2021-11-17 01:10:15,532 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-17 01:10:15,533 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-17 01:10:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-17 01:10:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2021-11-17 01:10:15,534 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2021-11-17 01:10:15,534 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2021-11-17 01:10:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2021-11-17 01:10:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2021-11-17 01:10:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2021-11-17 01:10:15,535 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2021-11-17 01:10:15,535 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 01:10:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 01:10:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2021-11-17 01:10:15,536 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2021-11-17 01:10:15,536 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2021-11-17 01:10:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2021-11-17 01:10:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 01:10:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 01:10:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 01:10:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2021-11-17 01:10:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2021-11-17 01:10:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2021-11-17 01:10:15,537 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2021-11-17 01:10:15,537 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2021-11-17 01:10:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2021-11-17 01:10:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-17 01:10:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-17 01:10:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2021-11-17 01:10:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2021-11-17 01:10:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 01:10:15,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 01:10:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 01:10:15,538 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2021-11-17 01:10:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2021-11-17 01:10:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 01:10:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 01:10:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2021-11-17 01:10:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2021-11-17 01:10:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 01:10:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 01:10:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_16 [2021-11-17 01:10:15,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_16 [2021-11-17 01:10:15,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_14 [2021-11-17 01:10:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_14 [2021-11-17 01:10:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2021-11-17 01:10:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2021-11-17 01:10:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-11-17 01:10:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-11-17 01:10:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 01:10:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 01:10:15,540 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2021-11-17 01:10:15,540 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2021-11-17 01:10:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-17 01:10:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-17 01:10:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2021-11-17 01:10:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2021-11-17 01:10:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2021-11-17 01:10:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2021-11-17 01:10:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2021-11-17 01:10:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2021-11-17 01:10:15,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_18 [2021-11-17 01:10:15,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_18 [2021-11-17 01:10:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-11-17 01:10:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-11-17 01:10:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2021-11-17 01:10:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2021-11-17 01:10:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2021-11-17 01:10:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2021-11-17 01:10:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2021-11-17 01:10:15,542 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2021-11-17 01:10:15,542 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2021-11-17 01:10:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2021-11-17 01:10:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-17 01:10:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-17 01:10:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2021-11-17 01:10:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2021-11-17 01:10:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2021-11-17 01:10:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2021-11-17 01:10:15,543 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2021-11-17 01:10:15,543 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2021-11-17 01:10:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 01:10:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 01:10:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2021-11-17 01:10:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2021-11-17 01:10:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2021-11-17 01:10:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2021-11-17 01:10:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2021-11-17 01:10:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2021-11-17 01:10:15,544 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2021-11-17 01:10:15,544 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2021-11-17 01:10:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2021-11-17 01:10:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2021-11-17 01:10:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2021-11-17 01:10:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2021-11-17 01:10:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 01:10:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 01:10:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2021-11-17 01:10:15,545 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2021-11-17 01:10:15,545 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2021-11-17 01:10:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2021-11-17 01:10:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2021-11-17 01:10:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2021-11-17 01:10:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 01:10:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 01:10:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2021-11-17 01:10:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2021-11-17 01:10:15,546 INFO L130 BoogieDeclarations]: Found specification of procedure socfpga_dwmac_probe [2021-11-17 01:10:15,546 INFO L138 BoogieDeclarations]: Found implementation of procedure socfpga_dwmac_probe [2021-11-17 01:10:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2021-11-17 01:10:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2021-11-17 01:10:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2021-11-17 01:10:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2021-11-17 01:10:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2021-11-17 01:10:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2021-11-17 01:10:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2021-11-17 01:10:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2021-11-17 01:10:15,547 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2021-11-17 01:10:15,547 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2021-11-17 01:10:15,549 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2021-11-17 01:10:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2021-11-17 01:10:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2021-11-17 01:10:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2021-11-17 01:10:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 01:10:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 01:10:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2021-11-17 01:10:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2021-11-17 01:10:15,550 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-17 01:10:15,550 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-17 01:10:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 01:10:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 01:10:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_fix_features [2021-11-17 01:10:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_fix_features [2021-11-17 01:10:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2021-11-17 01:10:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2021-11-17 01:10:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2021-11-17 01:10:15,551 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2021-11-17 01:10:15,551 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2021-11-17 01:10:15,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2021-11-17 01:10:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2021-11-17 01:10:15,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2021-11-17 01:10:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure platform_driver_unregister [2021-11-17 01:10:15,552 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_driver_unregister [2021-11-17 01:10:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 01:10:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 01:10:15,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 01:10:15,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_platform_driver_8 [2021-11-17 01:10:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_platform_driver_8 [2021-11-17 01:10:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2021-11-17 01:10:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2021-11-17 01:10:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 01:10:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 01:10:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-17 01:10:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-17 01:10:15,553 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 01:10:15,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 01:10:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2021-11-17 01:10:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2021-11-17 01:10:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-17 01:10:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-17 01:10:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2021-11-17 01:10:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2021-11-17 01:10:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2021-11-17 01:10:15,554 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2021-11-17 01:10:15,554 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 01:10:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 01:10:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 01:10:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 01:10:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2021-11-17 01:10:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2021-11-17 01:10:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2021-11-17 01:10:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2021-11-17 01:10:15,555 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2021-11-17 01:10:15,555 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2021-11-17 01:10:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2021-11-17 01:10:15,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2021-11-17 01:10:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-17 01:10:15,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-17 01:10:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-17 01:10:15,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-17 01:10:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 01:10:15,556 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 01:10:15,556 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2021-11-17 01:10:15,557 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2021-11-17 01:10:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2021-11-17 01:10:15,557 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2021-11-17 01:10:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2021-11-17 01:10:15,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2021-11-17 01:10:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-17 01:10:15,557 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-17 01:10:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 01:10:15,557 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2021-11-17 01:10:15,558 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2021-11-17 01:10:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-17 01:10:15,558 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-17 01:10:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2021-11-17 01:10:15,558 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2021-11-17 01:10:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2021-11-17 01:10:15,558 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2021-11-17 01:10:15,558 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2021-11-17 01:10:15,558 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2021-11-17 01:10:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 01:10:15,559 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 01:10:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2021-11-17 01:10:15,559 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2021-11-17 01:10:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2021-11-17 01:10:15,559 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2021-11-17 01:10:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2021-11-17 01:10:15,559 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2021-11-17 01:10:15,559 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2021-11-17 01:10:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2021-11-17 01:10:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2021-11-17 01:10:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2021-11-17 01:10:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-17 01:10:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-17 01:10:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 01:10:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 01:10:15,560 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2021-11-17 01:10:15,560 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2021-11-17 01:10:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-17 01:10:15,561 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-17 01:10:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2021-11-17 01:10:15,561 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2021-11-17 01:10:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2021-11-17 01:10:15,561 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2021-11-17 01:10:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-17 01:10:15,561 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-17 01:10:15,561 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-11-17 01:10:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-11-17 01:10:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2021-11-17 01:10:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2021-11-17 01:10:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2021-11-17 01:10:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2021-11-17 01:10:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 01:10:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 01:10:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2021-11-17 01:10:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2021-11-17 01:10:15,562 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 01:10:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 01:10:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2021-11-17 01:10:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2021-11-17 01:10:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2021-11-17 01:10:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2021-11-17 01:10:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 01:10:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 01:10:15,563 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2021-11-17 01:10:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2021-11-17 01:10:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2021-11-17 01:10:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2021-11-17 01:10:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure of_property_read_u32_index [2021-11-17 01:10:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure of_property_read_u32_index [2021-11-17 01:10:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2021-11-17 01:10:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2021-11-17 01:10:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2021-11-17 01:10:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2021-11-17 01:10:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 01:10:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 01:10:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2021-11-17 01:10:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2021-11-17 01:10:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 01:10:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 01:10:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 01:10:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 01:10:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2021-11-17 01:10:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2021-11-17 01:10:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-17 01:10:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-17 01:10:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2021-11-17 01:10:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2021-11-17 01:10:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2021-11-17 01:10:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2021-11-17 01:10:15,566 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2021-11-17 01:10:15,566 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2021-11-17 01:10:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 01:10:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 01:10:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 01:10:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-17 01:10:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-17 01:10:15,567 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2021-11-17 01:10:15,567 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2021-11-17 01:10:16,889 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 01:10:16,896 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 01:10:17,071 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 01:10:40,752 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 01:10:40,772 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 01:10:40,772 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 01:10:40,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:10:40 BoogieIcfgContainer [2021-11-17 01:10:40,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 01:10:40,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 01:10:40,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 01:10:40,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 01:10:40,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:10:08" (1/3) ... [2021-11-17 01:10:40,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484932b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:10:40, skipping insertion in model container [2021-11-17 01:10:40,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:10:13" (2/3) ... [2021-11-17 01:10:40,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484932b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:10:40, skipping insertion in model container [2021-11-17 01:10:40,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:10:40" (3/3) ... [2021-11-17 01:10:40,782 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--stmicro--stmmac--stmmac.ko-entry_point.cil.out.i [2021-11-17 01:10:40,785 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 01:10:40,785 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 01:10:40,823 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 01:10:40,827 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 [2021-11-17 01:10:40,827 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 01:10:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand has 5989 states, 4158 states have (on average 1.3677248677248677) internal successors, (5687), 4282 states have internal predecessors, (5687), 1516 states have call successors, (1516), 314 states have call predecessors, (1516), 313 states have return successors, (1490), 1430 states have call predecessors, (1490), 1490 states have call successors, (1490) [2021-11-17 01:10:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-17 01:10:40,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:10:40,949 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:10:40,949 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:10:40,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:10:40,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1471190724, now seen corresponding path program 1 times [2021-11-17 01:10:40,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:10:40,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598368428] [2021-11-17 01:10:40,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:10:40,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:10:41,538 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:10:41,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862658405] [2021-11-17 01:10:41,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:10:41,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:10:41,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:10:41,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:10:41,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 01:10:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:44,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 17445 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-17 01:10:44,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:10:44,743 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2021-11-17 01:10:44,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:10:44,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:10:44,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598368428] [2021-11-17 01:10:44,744 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:10:44,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862658405] [2021-11-17 01:10:44,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862658405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:10:44,745 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:10:44,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 01:10:44,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910533094] [2021-11-17 01:10:44,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:10:44,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:10:44,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:10:44,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:10:44,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:10:44,774 INFO L87 Difference]: Start difference. First operand has 5989 states, 4158 states have (on average 1.3677248677248677) internal successors, (5687), 4282 states have internal predecessors, (5687), 1516 states have call successors, (1516), 314 states have call predecessors, (1516), 313 states have return successors, (1490), 1430 states have call predecessors, (1490), 1490 states have call successors, (1490) Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 01:10:45,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:10:45,500 INFO L93 Difference]: Finished difference Result 17749 states and 26598 transitions. [2021-11-17 01:10:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:10:45,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 131 [2021-11-17 01:10:45,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:10:45,584 INFO L225 Difference]: With dead ends: 17749 [2021-11-17 01:10:45,584 INFO L226 Difference]: Without dead ends: 11677 [2021-11-17 01:10:45,627 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:10:45,630 INFO L933 BasicCegarLoop]: 10548 mSDtfsCounter, 8517 mSDsluCounter, 8668 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8517 SdHoareTripleChecker+Valid, 19216 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 01:10:45,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8517 Valid, 19216 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 01:10:45,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11677 states. [2021-11-17 01:10:46,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11677 to 11658. [2021-11-17 01:10:46,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11658 states, 8120 states have (on average 1.3583743842364533) internal successors, (11030), 8314 states have internal predecessors, (11030), 2917 states have call successors, (2917), 623 states have call predecessors, (2917), 620 states have return successors, (3175), 2791 states have call predecessors, (3175), 2916 states have call successors, (3175) [2021-11-17 01:10:46,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11658 states to 11658 states and 17122 transitions. [2021-11-17 01:10:46,529 INFO L78 Accepts]: Start accepts. Automaton has 11658 states and 17122 transitions. Word has length 131 [2021-11-17 01:10:46,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:10:46,530 INFO L470 AbstractCegarLoop]: Abstraction has 11658 states and 17122 transitions. [2021-11-17 01:10:46,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-17 01:10:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 11658 states and 17122 transitions. [2021-11-17 01:10:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-17 01:10:46,558 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:10:46,558 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:10:46,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 01:10:46,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-17 01:10:46,783 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:10:46,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:10:46,784 INFO L85 PathProgramCache]: Analyzing trace with hash -474517760, now seen corresponding path program 1 times [2021-11-17 01:10:46,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:10:46,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975939387] [2021-11-17 01:10:46,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:10:46,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:10:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:10:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:10:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:10:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:10:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:10:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:10:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:10:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:10:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 01:10:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 01:10:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 01:10:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:10:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:10:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 01:10:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 01:10:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 01:10:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 01:10:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-17 01:10:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 01:10:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:10:47,825 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2021-11-17 01:10:47,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:10:47,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975939387] [2021-11-17 01:10:47,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975939387] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:10:47,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:10:47,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 01:10:47,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589430271] [2021-11-17 01:10:47,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:10:47,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 01:10:47,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:10:47,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 01:10:47,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:10:47,828 INFO L87 Difference]: Start difference. First operand 11658 states and 17122 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 01:10:50,081 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:10:52,137 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:10:54,176 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:10:58,907 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:07,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:15,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:17,867 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:21,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:27,802 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:29,830 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:48,561 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:50,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:54,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:56,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:11:59,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:11:59,078 INFO L93 Difference]: Finished difference Result 42854 states and 67712 transitions. [2021-11-17 01:11:59,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 01:11:59,079 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 160 [2021-11-17 01:11:59,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:11:59,277 INFO L225 Difference]: With dead ends: 42854 [2021-11-17 01:11:59,277 INFO L226 Difference]: Without dead ends: 31215 [2021-11-17 01:11:59,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-11-17 01:11:59,345 INFO L933 BasicCegarLoop]: 8490 mSDtfsCounter, 29047 mSDsluCounter, 14566 mSDsCounter, 0 mSdLazyCounter, 18315 mSolverCounterSat, 23165 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30541 SdHoareTripleChecker+Valid, 23056 SdHoareTripleChecker+Invalid, 41493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 23165 IncrementalHoareTripleChecker+Valid, 18315 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:11:59,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30541 Valid, 23056 Invalid, 41493 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [23165 Valid, 18315 Invalid, 13 Unknown, 0 Unchecked, 69.5s Time] [2021-11-17 01:11:59,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31215 states. [2021-11-17 01:12:00,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31215 to 24134. [2021-11-17 01:12:00,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24134 states, 16738 states have (on average 1.3509379854223922) internal successors, (22612), 17182 states have internal predecessors, (22612), 6007 states have call successors, (6007), 1245 states have call predecessors, (6007), 1388 states have return successors, (7037), 5848 states have call predecessors, (7037), 6006 states have call successors, (7037) [2021-11-17 01:12:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24134 states to 24134 states and 35656 transitions. [2021-11-17 01:12:00,763 INFO L78 Accepts]: Start accepts. Automaton has 24134 states and 35656 transitions. Word has length 160 [2021-11-17 01:12:00,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:12:00,764 INFO L470 AbstractCegarLoop]: Abstraction has 24134 states and 35656 transitions. [2021-11-17 01:12:00,765 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 01:12:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 24134 states and 35656 transitions. [2021-11-17 01:12:00,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-17 01:12:00,783 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:12:00,783 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:12:00,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 01:12:00,784 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:12:00,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:12:00,784 INFO L85 PathProgramCache]: Analyzing trace with hash -109524888, now seen corresponding path program 1 times [2021-11-17 01:12:00,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:12:00,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144516617] [2021-11-17 01:12:00,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:12:00,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:12:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:12:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:12:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:12:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-11-17 01:12:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-11-17 01:12:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-17 01:12:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-17 01:12:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:12:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-11-17 01:12:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 01:12:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-17 01:12:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:12:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:12:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-11-17 01:12:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:12:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:12:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-17 01:12:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-17 01:12:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 01:12:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:12:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:12:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 01:12:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 01:12:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:12:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-17 01:12:01,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:12:01,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144516617] [2021-11-17 01:12:01,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144516617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:12:01,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:12:01,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 01:12:01,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010557209] [2021-11-17 01:12:01,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:12:01,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 01:12:01,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:12:01,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 01:12:01,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-11-17 01:12:01,558 INFO L87 Difference]: Start difference. First operand 24134 states and 35656 transitions. Second operand has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 01:12:03,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:05,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:07,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:12,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:14,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:16,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:23,969 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:26,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:32,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:34,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:39,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:41,099 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:43,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:12:51,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-17 01:13:09,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:13:13,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:13:13,415 INFO L93 Difference]: Finished difference Result 86338 states and 136458 transitions. [2021-11-17 01:13:13,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 01:13:13,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 173 [2021-11-17 01:13:13,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:13:13,741 INFO L225 Difference]: With dead ends: 86338 [2021-11-17 01:13:13,741 INFO L226 Difference]: Without dead ends: 62223 [2021-11-17 01:13:13,847 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-11-17 01:13:13,849 INFO L933 BasicCegarLoop]: 8650 mSDtfsCounter, 29145 mSDsluCounter, 15086 mSDsCounter, 0 mSdLazyCounter, 18232 mSolverCounterSat, 23214 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30654 SdHoareTripleChecker+Valid, 23736 SdHoareTripleChecker+Invalid, 41459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 23214 IncrementalHoareTripleChecker+Valid, 18232 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.6s IncrementalHoareTripleChecker+Time [2021-11-17 01:13:13,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30654 Valid, 23736 Invalid, 41459 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [23214 Valid, 18232 Invalid, 13 Unknown, 0 Unchecked, 69.6s Time] [2021-11-17 01:13:13,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62223 states. [2021-11-17 01:13:15,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62223 to 48092. [2021-11-17 01:13:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48092 states, 33348 states have (on average 1.3507256807004917) internal successors, (45044), 34234 states have internal predecessors, (45044), 11967 states have call successors, (11967), 2489 states have call predecessors, (11967), 2776 states have return successors, (14002), 11652 states have call predecessors, (14002), 11966 states have call successors, (14002) [2021-11-17 01:13:16,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48092 states to 48092 states and 71013 transitions. [2021-11-17 01:13:16,211 INFO L78 Accepts]: Start accepts. Automaton has 48092 states and 71013 transitions. Word has length 173 [2021-11-17 01:13:16,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:13:16,213 INFO L470 AbstractCegarLoop]: Abstraction has 48092 states and 71013 transitions. [2021-11-17 01:13:16,213 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.714285714285714) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 01:13:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 48092 states and 71013 transitions. [2021-11-17 01:13:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-17 01:13:16,233 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:13:16,233 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:13:16,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 01:13:16,234 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:13:16,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:13:16,234 INFO L85 PathProgramCache]: Analyzing trace with hash -813765527, now seen corresponding path program 1 times [2021-11-17 01:13:16,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:13:16,235 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669898373] [2021-11-17 01:13:16,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:13:16,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:13:16,478 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:13:16,479 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606341147] [2021-11-17 01:13:16,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:13:16,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:13:16,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:13:16,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:13:16,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 01:13:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:13:19,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 18379 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-17 01:13:19,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:13:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-17 01:13:20,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:13:20,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:13:20,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669898373] [2021-11-17 01:13:20,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:13:20,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606341147] [2021-11-17 01:13:20,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606341147] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:13:20,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:13:20,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 01:13:20,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864569117] [2021-11-17 01:13:20,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:13:20,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 01:13:20,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:13:20,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 01:13:20,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 01:13:20,272 INFO L87 Difference]: Start difference. First operand 48092 states and 71013 transitions. Second operand has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 01:13:21,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:13:21,697 INFO L93 Difference]: Finished difference Result 96154 states and 144751 transitions. [2021-11-17 01:13:21,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 01:13:21,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 200 [2021-11-17 01:13:21,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:13:22,057 INFO L225 Difference]: With dead ends: 96154 [2021-11-17 01:13:22,057 INFO L226 Difference]: Without dead ends: 48064 [2021-11-17 01:13:22,194 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 01:13:22,196 INFO L933 BasicCegarLoop]: 8610 mSDtfsCounter, 2 mSDsluCounter, 17204 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25814 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:13:22,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 25814 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:13:22,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48064 states. [2021-11-17 01:13:23,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48064 to 48064. [2021-11-17 01:13:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48064 states, 33332 states have (on average 1.3506540261610465) internal successors, (45020), 34218 states have internal predecessors, (45020), 11959 states have call successors, (11959), 2489 states have call predecessors, (11959), 2772 states have return successors, (13940), 11640 states have call predecessors, (13940), 11958 states have call successors, (13940) [2021-11-17 01:13:24,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48064 states to 48064 states and 70919 transitions. [2021-11-17 01:13:24,078 INFO L78 Accepts]: Start accepts. Automaton has 48064 states and 70919 transitions. Word has length 200 [2021-11-17 01:13:24,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:13:24,079 INFO L470 AbstractCegarLoop]: Abstraction has 48064 states and 70919 transitions. [2021-11-17 01:13:24,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-17 01:13:24,079 INFO L276 IsEmpty]: Start isEmpty. Operand 48064 states and 70919 transitions. [2021-11-17 01:13:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-17 01:13:24,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:13:24,103 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:13:24,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 01:13:24,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-17 01:13:24,320 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:13:24,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:13:24,320 INFO L85 PathProgramCache]: Analyzing trace with hash 689531458, now seen corresponding path program 1 times [2021-11-17 01:13:24,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:13:24,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842018456] [2021-11-17 01:13:24,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:13:24,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:13:24,610 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:13:24,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664093497] [2021-11-17 01:13:24,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:13:24,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:13:24,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:13:24,628 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:13:24,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 01:13:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:13:28,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 18384 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-17 01:13:28,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:13:28,864 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-17 01:13:28,864 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 01:13:28,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:13:28,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842018456] [2021-11-17 01:13:28,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:13:28,865 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664093497] [2021-11-17 01:13:28,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664093497] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:13:28,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:13:28,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 01:13:28,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442365725] [2021-11-17 01:13:28,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:13:28,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 01:13:28,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:13:28,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 01:13:28,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:13:28,867 INFO L87 Difference]: Start difference. First operand 48064 states and 70919 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-17 01:13:30,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:13:30,382 INFO L93 Difference]: Finished difference Result 96157 states and 144011 transitions. [2021-11-17 01:13:30,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 01:13:30,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 200 [2021-11-17 01:13:30,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:13:30,640 INFO L225 Difference]: With dead ends: 96157 [2021-11-17 01:13:30,641 INFO L226 Difference]: Without dead ends: 48112 [2021-11-17 01:13:30,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 01:13:30,831 INFO L933 BasicCegarLoop]: 8611 mSDtfsCounter, 10 mSDsluCounter, 8600 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17211 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:13:30,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 17211 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 01:13:31,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48112 states. [2021-11-17 01:13:32,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48112 to 48072. [2021-11-17 01:13:32,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48072 states, 33340 states have (on average 1.3505698860227955) internal successors, (45028), 34226 states have internal predecessors, (45028), 11959 states have call successors, (11959), 2489 states have call predecessors, (11959), 2772 states have return successors, (13940), 11640 states have call predecessors, (13940), 11958 states have call successors, (13940) [2021-11-17 01:13:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48072 states to 48072 states and 70927 transitions. [2021-11-17 01:13:32,800 INFO L78 Accepts]: Start accepts. Automaton has 48072 states and 70927 transitions. Word has length 200 [2021-11-17 01:13:32,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:13:32,802 INFO L470 AbstractCegarLoop]: Abstraction has 48072 states and 70927 transitions. [2021-11-17 01:13:32,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-17 01:13:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 48072 states and 70927 transitions. [2021-11-17 01:13:33,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-11-17 01:13:33,029 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:13:33,030 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:13:33,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 01:13:33,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:13:33,256 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:13:33,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:13:33,256 INFO L85 PathProgramCache]: Analyzing trace with hash 123640654, now seen corresponding path program 1 times [2021-11-17 01:13:33,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:13:33,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248030064] [2021-11-17 01:13:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:13:33,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:13:33,500 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:13:33,501 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [499635637] [2021-11-17 01:13:33,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:13:33,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:13:33,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:13:33,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:13:33,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 01:13:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:13:37,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 18416 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-17 01:13:37,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:13:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-11-17 01:13:37,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:13:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-11-17 01:13:38,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:13:38,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248030064] [2021-11-17 01:13:38,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:13:38,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499635637] [2021-11-17 01:13:38,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499635637] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 01:13:38,368 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 01:13:38,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-17 01:13:38,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307415812] [2021-11-17 01:13:38,369 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 01:13:38,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 01:13:38,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:13:38,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 01:13:38,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:13:38,374 INFO L87 Difference]: Start difference. First operand 48072 states and 70927 transitions. Second operand has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 states have internal predecessors, (166), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-17 01:13:39,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:13:39,815 INFO L93 Difference]: Finished difference Result 96238 states and 144470 transitions. [2021-11-17 01:13:39,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 01:13:39,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 states have internal predecessors, (166), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 205 [2021-11-17 01:13:39,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:13:40,007 INFO L225 Difference]: With dead ends: 96238 [2021-11-17 01:13:40,007 INFO L226 Difference]: Without dead ends: 48184 [2021-11-17 01:13:40,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2021-11-17 01:13:40,163 INFO L933 BasicCegarLoop]: 8597 mSDtfsCounter, 16 mSDsluCounter, 25749 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 34346 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:13:40,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 34346 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-17 01:13:40,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48184 states. [2021-11-17 01:13:41,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48184 to 48184. [2021-11-17 01:13:41,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48184 states, 33436 states have (on average 1.350759660246441) internal successors, (45164), 34322 states have internal predecessors, (45164), 11959 states have call successors, (11959), 2505 states have call predecessors, (11959), 2788 states have return successors, (13940), 11640 states have call predecessors, (13940), 11958 states have call successors, (13940) [2021-11-17 01:13:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48184 states to 48184 states and 71063 transitions. [2021-11-17 01:13:42,000 INFO L78 Accepts]: Start accepts. Automaton has 48184 states and 71063 transitions. Word has length 205 [2021-11-17 01:13:42,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:13:42,001 INFO L470 AbstractCegarLoop]: Abstraction has 48184 states and 71063 transitions. [2021-11-17 01:13:42,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.75) internal successors, (166), 8 states have internal predecessors, (166), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-17 01:13:42,001 INFO L276 IsEmpty]: Start isEmpty. Operand 48184 states and 71063 transitions. [2021-11-17 01:13:42,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-11-17 01:13:42,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:13:42,018 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:13:42,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 01:13:42,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:13:42,244 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:13:42,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:13:42,244 INFO L85 PathProgramCache]: Analyzing trace with hash -784872153, now seen corresponding path program 1 times [2021-11-17 01:13:42,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:13:42,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858614922] [2021-11-17 01:13:42,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:13:42,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:13:42,529 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:13:42,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1998739619] [2021-11-17 01:13:42,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:13:42,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:13:42,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:13:42,530 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:13:42,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 01:13:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:13:46,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 18445 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-17 01:13:46,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 01:13:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-17 01:13:46,968 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 01:13:47,591 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-11-17 01:13:47,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:13:47,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858614922] [2021-11-17 01:13:47,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-17 01:13:47,592 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998739619] [2021-11-17 01:13:47,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998739619] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 01:13:47,592 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 01:13:47,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-11-17 01:13:47,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532833568] [2021-11-17 01:13:47,592 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 01:13:47,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-17 01:13:47,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:13:47,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-17 01:13:47,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-11-17 01:13:47,593 INFO L87 Difference]: Start difference. First operand 48184 states and 71063 transitions. Second operand has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 14 states have internal predecessors, (165), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-17 01:13:49,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:13:49,264 INFO L93 Difference]: Finished difference Result 96534 states and 144926 transitions. [2021-11-17 01:13:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-17 01:13:49,265 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 14 states have internal predecessors, (165), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 209 [2021-11-17 01:13:49,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:13:49,454 INFO L225 Difference]: With dead ends: 96534 [2021-11-17 01:13:49,454 INFO L226 Difference]: Without dead ends: 48336 [2021-11-17 01:13:49,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2021-11-17 01:13:49,607 INFO L933 BasicCegarLoop]: 8607 mSDtfsCounter, 41 mSDsluCounter, 60167 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 68774 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 01:13:49,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 68774 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 01:13:49,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48336 states. [2021-11-17 01:13:51,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48336 to 48304. [2021-11-17 01:13:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48304 states, 33548 states have (on average 1.3510194348396327) internal successors, (45324), 34434 states have internal predecessors, (45324), 11959 states have call successors, (11959), 2513 states have call predecessors, (11959), 2796 states have return successors, (13940), 11640 states have call predecessors, (13940), 11958 states have call successors, (13940) [2021-11-17 01:13:51,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48304 states to 48304 states and 71223 transitions. [2021-11-17 01:13:51,477 INFO L78 Accepts]: Start accepts. Automaton has 48304 states and 71223 transitions. Word has length 209 [2021-11-17 01:13:51,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:13:51,478 INFO L470 AbstractCegarLoop]: Abstraction has 48304 states and 71223 transitions. [2021-11-17 01:13:51,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 11.785714285714286) internal successors, (165), 14 states have internal predecessors, (165), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-17 01:13:51,478 INFO L276 IsEmpty]: Start isEmpty. Operand 48304 states and 71223 transitions. [2021-11-17 01:13:51,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-11-17 01:13:51,491 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:13:51,491 INFO L514 BasicCegarLoop]: trace histogram [16, 7, 7, 7, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:13:51,543 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 01:13:51,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:13:51,719 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:13:51,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:13:51,720 INFO L85 PathProgramCache]: Analyzing trace with hash -36221401, now seen corresponding path program 2 times [2021-11-17 01:13:51,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:13:51,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072266269] [2021-11-17 01:13:51,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:13:51,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:13:52,141 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-17 01:13:52,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1406650989] [2021-11-17 01:13:52,141 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 01:13:52,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 01:13:52,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:13:52,142 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 01:13:52,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process Killed by 15