/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--gdm724x--gdmulte.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 11:43:17,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 11:43:17,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 11:43:17,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 11:43:17,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 11:43:17,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 11:43:17,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 11:43:17,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 11:43:17,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 11:43:17,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 11:43:17,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 11:43:17,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 11:43:17,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 11:43:17,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 11:43:17,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 11:43:17,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 11:43:17,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 11:43:17,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 11:43:17,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 11:43:17,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 11:43:17,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 11:43:17,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 11:43:17,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 11:43:17,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 11:43:17,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 11:43:17,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 11:43:17,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 11:43:17,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 11:43:17,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 11:43:17,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 11:43:17,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 11:43:17,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 11:43:17,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 11:43:17,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 11:43:17,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 11:43:17,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 11:43:17,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 11:43:17,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 11:43:17,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 11:43:17,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 11:43:17,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 11:43:17,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-15 11:43:17,772 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 11:43:17,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 11:43:17,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 11:43:17,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 11:43:17,774 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 11:43:17,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 11:43:17,774 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 11:43:17,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 11:43:17,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 11:43:17,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 11:43:17,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 11:43:17,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 11:43:17,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 11:43:17,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 11:43:17,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 11:43:17,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 11:43:17,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 11:43:17,777 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 11:43:17,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 11:43:17,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 11:43:17,777 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 11:43:17,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 11:43:17,778 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 11:43:17,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 11:43:17,778 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 11:43:17,778 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 11:43:17,778 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 11:43:17,778 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 11:43:18,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 11:43:18,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 11:43:18,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 11:43:18,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 11:43:18,099 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 11:43:18,100 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--gdm724x--gdmulte.ko-entry_point.cil.out.i [2020-10-15 11:43:18,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc55760d3/efd5c3290ed94640aebb3dbb36dd9f6e/FLAG3aca80d5f [2020-10-15 11:43:19,025 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 11:43:19,026 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--staging--gdm724x--gdmulte.ko-entry_point.cil.out.i [2020-10-15 11:43:19,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc55760d3/efd5c3290ed94640aebb3dbb36dd9f6e/FLAG3aca80d5f [2020-10-15 11:43:19,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc55760d3/efd5c3290ed94640aebb3dbb36dd9f6e [2020-10-15 11:43:19,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 11:43:19,487 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 11:43:19,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 11:43:19,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 11:43:19,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 11:43:19,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:43:19" (1/1) ... [2020-10-15 11:43:19,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40dc60cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:19, skipping insertion in model container [2020-10-15 11:43:19,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 11:43:19" (1/1) ... [2020-10-15 11:43:19,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 11:43:19,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 11:43:22,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 11:43:22,784 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 11:43:23,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 11:43:23,724 INFO L208 MainTranslator]: Completed translation [2020-10-15 11:43:23,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:23 WrapperNode [2020-10-15 11:43:23,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 11:43:23,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 11:43:23,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 11:43:23,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 11:43:23,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:23" (1/1) ... [2020-10-15 11:43:23,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:23" (1/1) ... [2020-10-15 11:43:23,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:23" (1/1) ... [2020-10-15 11:43:23,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:23" (1/1) ... [2020-10-15 11:43:24,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:23" (1/1) ... [2020-10-15 11:43:24,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:23" (1/1) ... [2020-10-15 11:43:24,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:23" (1/1) ... [2020-10-15 11:43:24,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 11:43:24,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 11:43:24,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 11:43:24,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 11:43:24,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:23" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 11:43:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 11:43:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 11:43:24,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-15 11:43:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-10-15 11:43:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2020-10-15 11:43:24,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-15 11:43:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~VOID [2020-10-15 11:43:24,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-15 11:43:24,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 11:43:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-15 11:43:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-15 11:43:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-15 11:43:24,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2020-10-15 11:43:24,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 11:43:24,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 11:43:24,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-15 11:43:24,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-15 11:43:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-15 11:43:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-15 11:43:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-15 11:43:24,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-15 11:43:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2020-10-15 11:43:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2020-10-15 11:43:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-15 11:43:24,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-15 11:43:24,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2020-10-15 11:43:24,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2020-10-15 11:43:24,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2020-10-15 11:43:24,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2020-10-15 11:43:24,244 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2020-10-15 11:43:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2020-10-15 11:43:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2020-10-15 11:43:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2020-10-15 11:43:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2020-10-15 11:43:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2020-10-15 11:43:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_random_addr [2020-10-15 11:43:24,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_copy [2020-10-15 11:43:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_open [2020-10-15 11:43:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_close [2020-10-15 11:43:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_set_config [2020-10-15 11:43:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_complete [2020-10-15 11:43:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_rx [2020-10-15 11:43:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_emulate_arp [2020-10-15 11:43:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure icmp6_checksum [2020-10-15 11:43:24,246 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_emulate_ndp [2020-10-15 11:43:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_tx_nic_type [2020-10-15 11:43:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_tx [2020-10-15 11:43:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_stats [2020-10-15 11:43:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_event_send [2020-10-15 11:43:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_event_rcv [2020-10-15 11:43:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_event_init [2020-10-15 11:43:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_event_exit [2020-10-15 11:43:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure find_dev_index [2020-10-15 11:43:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_netif_rx [2020-10-15 11:43:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_multi_sdu_pkt [2020-10-15 11:43:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_pdn_table [2020-10-15 11:43:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_lte_receive_pkt [2020-10-15 11:43:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_complete [2020-10-15 11:43:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure start_rx_proc [2020-10-15 11:43:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure form_mac_address [2020-10-15 11:43:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_mac_address [2020-10-15 11:43:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure register_lte_device [2020-10-15 11:43:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_lte_device [2020-10-15 11:43:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_4 [2020-10-15 11:43:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main_exported_4 [2020-10-15 11:43:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_15 [2020-10-15 11:43:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_16 [2020-10-15 11:43:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_17 [2020-10-15 11:43:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2020-10-15 11:43:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_19 [2020-10-15 11:43:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-15 11:43:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_33 [2020-10-15 11:43:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_35 [2020-10-15 11:43:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_36 [2020-10-15 11:43:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_37 [2020-10-15 11:43:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_38 [2020-10-15 11:43:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_39 [2020-10-15 11:43:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_40 [2020-10-15 11:43:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_41 [2020-10-15 11:43:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_43 [2020-10-15 11:43:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_44 [2020-10-15 11:43:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_45 [2020-10-15 11:43:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 11:43:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2020-10-15 11:43:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2020-10-15 11:43:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_kernel_create [2020-10-15 11:43:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2020-10-15 11:43:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_msg_size [2020-10-15 11:43:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2020-10-15 11:43:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2020-10-15 11:43:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_rcv_cb [2020-10-15 11:43:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_rcv [2020-10-15 11:43:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_init [2020-10-15 11:43:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_exit [2020-10-15 11:43:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_send [2020-10-15 11:43:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_68 [2020-10-15 11:43:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_69 [2020-10-15 11:43:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_70 [2020-10-15 11:43:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_71 [2020-10-15 11:43:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_72 [2020-10-15 11:43:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-15 11:43:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_84 [2020-10-15 11:43:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_86 [2020-10-15 11:43:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_88 [2020-10-15 11:43:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_89 [2020-10-15 11:43:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_90 [2020-10-15 11:43:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_91 [2020-10-15 11:43:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_92 [2020-10-15 11:43:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_93 [2020-10-15 11:43:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_94 [2020-10-15 11:43:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-15 11:43:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-15 11:43:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2020-10-15 11:43:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-15 11:43:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-15 11:43:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2020-10-15 11:43:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-15 11:43:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 11:43:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 11:43:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_mark_last_busy [2020-10-15 11:43:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-15 11:43:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-15 11:43:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-15 11:43:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_mark_last_busy [2020-10-15 11:43:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-15 11:43:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-15 11:43:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure request_mac_address [2020-10-15 11:43:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tx_struct [2020-10-15 11:43:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tx_sdu_struct [2020-10-15 11:43:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tx_struct [2020-10-15 11:43:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tx_sdu_struct [2020-10-15 11:43:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_sdu_struct [2020-10-15 11:43:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tx_struct [2020-10-15 11:43:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_rx_struct [2020-10-15 11:43:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_struct [2020-10-15 11:43:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rx_struct [2020-10-15 11:43:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure put_rx_struct [2020-10-15 11:43:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure release_usb [2020-10-15 11:43:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb [2020-10-15 11:43:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_address [2020-10-15 11:43:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure do_rx [2020-10-15 11:43:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_rx_submit_list [2020-10-15 11:43:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_rcv_complete [2020-10-15 11:43:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_recv [2020-10-15 11:43:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_send_complete [2020-10-15 11:43:24,280 INFO L138 BoogieDeclarations]: Found implementation of procedure send_tx_packet [2020-10-15 11:43:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure packet_aggregation [2020-10-15 11:43:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure do_tx [2020-10-15 11:43:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_sdu_send [2020-10-15 11:43:24,281 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_hci_send [2020-10-15 11:43:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_get_endian [2020-10-15 11:43:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_probe [2020-10-15 11:43:24,282 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_disconnect [2020-10-15 11:43:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_suspend [2020-10-15 11:43:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_resume [2020-10-15 11:43:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_lte_init [2020-10-15 11:43:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_usb_lte_exit [2020-10-15 11:43:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2020-10-15 11:43:24,283 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2020-10-15 11:43:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2020-10-15 11:43:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_3 [2020-10-15 11:43:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_2 [2020-10-15 11:43:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure work_init_1 [2020-10-15 11:43:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2020-10-15 11:43:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2020-10-15 11:43:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_1 [2020-10-15 11:43:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2020-10-15 11:43:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2020-10-15 11:43:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2020-10-15 11:43:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure invoke_work_2 [2020-10-15 11:43:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 11:43:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-15 11:43:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_114 [2020-10-15 11:43:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_115 [2020-10-15 11:43:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_116 [2020-10-15 11:43:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_117 [2020-10-15 11:43:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_118 [2020-10-15 11:43:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 11:43:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_130 [2020-10-15 11:43:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_132 [2020-10-15 11:43:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_134 [2020-10-15 11:43:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_135 [2020-10-15 11:43:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_136 [2020-10-15 11:43:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_137 [2020-10-15 11:43:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_138 [2020-10-15 11:43:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_139 [2020-10-15 11:43:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_140 [2020-10-15 11:43:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_141 [2020-10-15 11:43:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_142 [2020-10-15 11:43:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_143 [2020-10-15 11:43:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_144 [2020-10-15 11:43:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_145 [2020-10-15 11:43:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_146 [2020-10-15 11:43:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_147 [2020-10-15 11:43:24,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_148 [2020-10-15 11:43:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_149 [2020-10-15 11:43:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_150 [2020-10-15 11:43:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_151 [2020-10-15 11:43:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2020-10-15 11:43:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2020-10-15 11:43:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_set_endian [2020-10-15 11:43:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_cpu_to_dev16 [2020-10-15 11:43:24,372 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_dev16_to_cpu [2020-10-15 11:43:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_cpu_to_dev32 [2020-10-15 11:43:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure gdm_dev32_to_cpu [2020-10-15 11:43:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_177 [2020-10-15 11:43:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_178 [2020-10-15 11:43:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_work_on_179 [2020-10-15 11:43:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_180 [2020-10-15 11:43:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_queue_delayed_work_on_181 [2020-10-15 11:43:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 11:43:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 11:43:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-15 11:43:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-15 11:43:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-15 11:43:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-15 11:43:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-15 11:43:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-15 11:43:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-15 11:43:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-15 11:43:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-15 11:43:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_workqueue_key [2020-10-15 11:43:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-15 11:43:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-15 11:43:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __netlink_kernel_create [2020-10-15 11:43:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __nlmsg_put [2020-10-15 11:43:24,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-15 11:43:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-15 11:43:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-15 11:43:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2020-10-15 11:43:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2020-10-15 11:43:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2020-10-15 11:43:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-15 11:43:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_by_index [2020-10-15 11:43:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2020-10-15 11:43:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2020-10-15 11:43:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure get_random_bytes [2020-10-15 11:43:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2020-10-15 11:43:24,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 11:43:24,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 11:43:24,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_init_4 [2020-10-15 11:43:24,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ndo_uninit_4 [2020-10-15 11:43:24,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-15 11:43:24,378 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-15 11:43:24,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-15 11:43:24,379 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-15 11:43:24,379 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 11:43:24,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2020-10-15 11:43:24,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2020-10-15 11:43:24,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-15 11:43:24,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx_ni [2020-10-15 11:43:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2020-10-15 11:43:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_broadcast [2020-10-15 11:43:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_has_listeners [2020-10-15 11:43:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_set_autosuspend_delay [2020-10-15 11:43:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 11:43:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2020-10-15 11:43:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-15 11:43:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2020-10-15 11:43:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-15 11:43:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-15 11:43:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2020-10-15 11:43:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2020-10-15 11:43:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2020-10-15 11:43:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2020-10-15 11:43:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-15 11:43:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-15 11:43:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2020-10-15 11:43:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-15 11:43:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2020-10-15 11:43:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-15 11:43:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2020-10-15 11:43:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-15 11:43:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 11:43:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 11:43:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-15 11:43:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-15 11:43:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 11:43:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-15 11:43:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-15 11:43:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-15 11:43:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 11:43:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2020-10-15 11:43:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 11:43:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-15 11:43:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-15 11:43:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 11:43:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-15 11:43:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 11:43:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 11:43:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 11:43:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 11:43:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 11:43:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 11:43:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 11:43:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 11:43:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-15 11:43:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-15 11:43:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-15 11:43:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 11:43:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-15 11:43:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-15 11:43:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-15 11:43:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-15 11:43:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-15 11:43:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-15 11:43:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_15 [2020-10-15 11:43:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_17 [2020-10-15 11:43:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2020-10-15 11:43:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_16 [2020-10-15 11:43:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_19 [2020-10-15 11:43:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2020-10-15 11:43:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2020-10-15 11:43:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-15 11:43:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2020-10-15 11:43:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_4 [2020-10-15 11:43:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2020-10-15 11:43:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure get_random_bytes [2020-10-15 11:43:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2020-10-15 11:43:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_33 [2020-10-15 11:43:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_41 [2020-10-15 11:43:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_35 [2020-10-15 11:43:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-15 11:43:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_39 [2020-10-15 11:43:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_40 [2020-10-15 11:43:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-15 11:43:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-15 11:43:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2020-10-15 11:43:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 11:43:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 11:43:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 11:43:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2020-10-15 11:43:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_36 [2020-10-15 11:43:24,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_37 [2020-10-15 11:43:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_38 [2020-10-15 11:43:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-15 11:43:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-15 11:43:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2020-10-15 11:43:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2020-10-15 11:43:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2020-10-15 11:43:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_45 [2020-10-15 11:43:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2020-10-15 11:43:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2020-10-15 11:43:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2020-10-15 11:43:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2020-10-15 11:43:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2020-10-15 11:43:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2020-10-15 11:43:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2020-10-15 11:43:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2020-10-15 11:43:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx_ni [2020-10-15 11:43:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-15 11:43:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2020-10-15 11:43:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2020-10-15 11:43:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2020-10-15 11:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_43 [2020-10-15 11:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2020-10-15 11:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_44 [2020-10-15 11:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2020-10-15 11:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2020-10-15 11:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2020-10-15 11:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure eth_random_addr [2020-10-15 11:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_copy [2020-10-15 11:43:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_dev16_to_cpu [2020-10-15 11:43:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_dev32_to_cpu [2020-10-15 11:43:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_event_init [2020-10-15 11:43:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_event_exit [2020-10-15 11:43:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure start_rx_proc [2020-10-15 11:43:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure register_lte_device [2020-10-15 11:43:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_lte_device [2020-10-15 11:43:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_init [2020-10-15 11:43:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_exit [2020-10-15 11:43:24,407 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_send [2020-10-15 11:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 11:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_open [2020-10-15 11:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_close [2020-10-15 11:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_set_config [2020-10-15 11:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure tx_complete [2020-10-15 11:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_rx [2020-10-15 11:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_emulate_arp [2020-10-15 11:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-15 11:43:24,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 11:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure icmp6_checksum [2020-10-15 11:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_emulate_ndp [2020-10-15 11:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_tx_nic_type [2020-10-15 11:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_tx [2020-10-15 11:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-15 11:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_stats [2020-10-15 11:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_event_send [2020-10-15 11:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2020-10-15 11:43:24,409 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_event_rcv [2020-10-15 11:43:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2020-10-15 11:43:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure find_dev_index [2020-10-15 11:43:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_netif_rx [2020-10-15 11:43:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_multi_sdu_pkt [2020-10-15 11:43:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_pdn_table [2020-10-15 11:43:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_lte_receive_pkt [2020-10-15 11:43:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure rx_complete [2020-10-15 11:43:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-15 11:43:24,412 INFO L130 BoogieDeclarations]: Found specification of procedure form_mac_address [2020-10-15 11:43:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure validate_mac_address [2020-10-15 11:43:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_init_4 [2020-10-15 11:43:24,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ndo_uninit_4 [2020-10-15 11:43:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main_exported_4 [2020-10-15 11:43:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 11:43:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-15 11:43:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2020-10-15 11:43:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-15 11:43:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 11:43:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_68 [2020-10-15 11:43:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_70 [2020-10-15 11:43:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_69 [2020-10-15 11:43:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_72 [2020-10-15 11:43:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_71 [2020-10-15 11:43:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2020-10-15 11:43:24,415 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-15 11:43:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_86 [2020-10-15 11:43:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_94 [2020-10-15 11:43:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_88 [2020-10-15 11:43:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_84 [2020-10-15 11:43:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_92 [2020-10-15 11:43:24,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_93 [2020-10-15 11:43:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2020-10-15 11:43:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2020-10-15 11:43:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_89 [2020-10-15 11:43:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_90 [2020-10-15 11:43:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_91 [2020-10-15 11:43:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure __netlink_kernel_create [2020-10-15 11:43:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_kernel_create [2020-10-15 11:43:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_has_listeners [2020-10-15 11:43:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_broadcast [2020-10-15 11:43:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure __nlmsg_put [2020-10-15 11:43:24,418 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_by_index [2020-10-15 11:43:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2020-10-15 11:43:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_msg_size [2020-10-15 11:43:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2020-10-15 11:43:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2020-10-15 11:43:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_rcv_cb [2020-10-15 11:43:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~VOID [2020-10-15 11:43:24,419 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_rcv [2020-10-15 11:43:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-15 11:43:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-15 11:43:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-15 11:43:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-15 11:43:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-15 11:43:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2020-10-15 11:43:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-15 11:43:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-15 11:43:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-15 11:43:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-15 11:43:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-15 11:43:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-15 11:43:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2020-10-15 11:43:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-15 11:43:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2020-10-15 11:43:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2020-10-15 11:43:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-15 11:43:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_workqueue_key [2020-10-15 11:43:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2020-10-15 11:43:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_149 [2020-10-15 11:43:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_151 [2020-10-15 11:43:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_114 [2020-10-15 11:43:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_116 [2020-10-15 11:43:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_115 [2020-10-15 11:43:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_118 [2020-10-15 11:43:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_117 [2020-10-15 11:43:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_148 [2020-10-15 11:43:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_150 [2020-10-15 11:43:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-15 11:43:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 11:43:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 11:43:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2020-10-15 11:43:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2020-10-15 11:43:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2020-10-15 11:43:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_3 [2020-10-15 11:43:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_2 [2020-10-15 11:43:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure work_init_1 [2020-10-15 11:43:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2020-10-15 11:43:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_1 [2020-10-15 11:43:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2020-10-15 11:43:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2020-10-15 11:43:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure invoke_work_2 [2020-10-15 11:43:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 11:43:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 11:43:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-15 11:43:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-15 11:43:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_set_autosuspend_delay [2020-10-15 11:43:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_mark_last_busy [2020-10-15 11:43:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-15 11:43:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-15 11:43:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-15 11:43:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2020-10-15 11:43:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2020-10-15 11:43:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2020-10-15 11:43:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2020-10-15 11:43:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2020-10-15 11:43:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_mark_last_busy [2020-10-15 11:43:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-15 11:43:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_146 [2020-10-15 11:43:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-15 11:43:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_147 [2020-10-15 11:43:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-15 11:43:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_141 [2020-10-15 11:43:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_142 [2020-10-15 11:43:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-15 11:43:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_143 [2020-10-15 11:43:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_144 [2020-10-15 11:43:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_145 [2020-10-15 11:43:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-15 11:43:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-15 11:43:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-15 11:43:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_132 [2020-10-15 11:43:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_140 [2020-10-15 11:43:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_134 [2020-10-15 11:43:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_130 [2020-10-15 11:43:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_138 [2020-10-15 11:43:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_139 [2020-10-15 11:43:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_135 [2020-10-15 11:43:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_136 [2020-10-15 11:43:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_137 [2020-10-15 11:43:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_set_endian [2020-10-15 11:43:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_cpu_to_dev16 [2020-10-15 11:43:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_cpu_to_dev32 [2020-10-15 11:43:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure do_tx [2020-10-15 11:43:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure do_rx [2020-10-15 11:43:24,433 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_recv [2020-10-15 11:43:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure request_mac_address [2020-10-15 11:43:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tx_struct [2020-10-15 11:43:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tx_sdu_struct [2020-10-15 11:43:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure free_tx_struct [2020-10-15 11:43:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure free_tx_sdu_struct [2020-10-15 11:43:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_sdu_struct [2020-10-15 11:43:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure put_tx_struct [2020-10-15 11:43:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_rx_struct [2020-10-15 11:43:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_struct [2020-10-15 11:43:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure get_rx_struct [2020-10-15 11:43:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure put_rx_struct [2020-10-15 11:43:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure release_usb [2020-10-15 11:43:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb [2020-10-15 11:43:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_address [2020-10-15 11:43:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2020-10-15 11:43:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure remove_rx_submit_list [2020-10-15 11:43:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_rcv_complete [2020-10-15 11:43:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_send_complete [2020-10-15 11:43:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-15 11:43:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure send_tx_packet [2020-10-15 11:43:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure packet_aggregation [2020-10-15 11:43:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_sdu_send [2020-10-15 11:43:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_hci_send [2020-10-15 11:43:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_get_endian [2020-10-15 11:43:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_probe [2020-10-15 11:43:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_disconnect [2020-10-15 11:43:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_suspend [2020-10-15 11:43:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_resume [2020-10-15 11:43:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_lte_init [2020-10-15 11:43:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure gdm_usb_lte_exit [2020-10-15 11:43:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 11:43:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 11:43:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 11:43:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2020-10-15 11:43:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2020-10-15 11:43:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_177 [2020-10-15 11:43:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_work_on_179 [2020-10-15 11:43:24,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_178 [2020-10-15 11:43:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_queue_delayed_work_on_181 [2020-10-15 11:43:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_180 [2020-10-15 11:43:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 11:43:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 11:43:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-15 11:43:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-15 11:43:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-15 11:43:24,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-15 11:43:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-15 11:43:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-15 11:43:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-15 11:43:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-15 11:43:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 11:43:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 11:43:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 11:43:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 11:43:24,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 11:43:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-15 11:43:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-15 11:43:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-15 11:43:24,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-15 11:43:25,999 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-15 11:43:33,765 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 11:43:33,766 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-15 11:43:33,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:43:33 BoogieIcfgContainer [2020-10-15 11:43:33,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 11:43:33,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 11:43:33,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 11:43:33,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 11:43:33,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 11:43:19" (1/3) ... [2020-10-15 11:43:33,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b70096d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:43:33, skipping insertion in model container [2020-10-15 11:43:33,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 11:43:23" (2/3) ... [2020-10-15 11:43:33,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b70096d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 11:43:33, skipping insertion in model container [2020-10-15 11:43:33,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 11:43:33" (3/3) ... [2020-10-15 11:43:33,786 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--staging--gdm724x--gdmulte.ko-entry_point.cil.out.i [2020-10-15 11:43:33,796 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 11:43:33,806 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 11:43:33,821 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 11:43:33,854 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 11:43:33,854 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 11:43:33,854 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 11:43:33,854 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 11:43:33,854 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 11:43:33,855 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 11:43:33,855 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 11:43:33,855 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 11:43:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states. [2020-10-15 11:43:33,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-15 11:43:33,936 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 11:43:33,937 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 11:43:33,938 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 11:43:33,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 11:43:33,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1761566135, now seen corresponding path program 1 times [2020-10-15 11:43:33,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 11:43:33,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1784125395] [2020-10-15 11:43:33,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 11:43:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:35,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:35,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:35,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:35,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:39,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:39,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-15 11:43:39,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 11:43:39,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5166 [2020-10-15 11:43:39,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:39,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:39,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:43:39,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-15 11:43:39,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-15 11:43:39,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 11:43:42,202 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 607 [2020-10-15 11:43:42,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:43:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:42,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:42,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:42,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:43:42,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:43:42,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 486 [2020-10-15 11:43:42,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:42,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:43:42,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:43:42,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:43:42,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:43:42,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:43:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:42,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:42,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:42,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:42,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:43:42,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:43:42,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-15 11:43:42,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:42,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:42,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:43:42,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:43:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:43:42,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:43:42,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:43:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:42,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:42,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:43:42,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:43:42,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 11:43:42,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:42,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:43:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:43:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:43:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:43:42,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:43:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:43,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:43,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:43,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:43,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:43:43,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:43:43,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 11:43:43,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:43,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:43:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 11:43:43,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:43:43,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:43:43,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 11:43:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:43,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:43,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:43,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 11:43:43,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:43:43,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 11:43:43,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:43,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:43,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:43:43,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:43:43,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:43:43,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:43:43,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 11:43:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:43,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:43,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:43,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:43,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 11:43:43,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:43:43,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 188 [2020-10-15 11:43:43,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:43,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:43,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 11:43:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 11:43:43,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 11:43:43,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:43:43,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:43:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:43,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:43,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:43,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:43:43,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:43:43,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-15 11:43:43,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:43,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 11:43:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:43:43,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 11:43:43,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:43:43,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-15 11:43:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:43,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:43,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:43,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:43:43,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:43:43,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 11:43:43,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:43,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:43:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:43:43,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:43:43,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 11:43:43,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 11:43:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:43,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:43,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:43,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:43:43,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:43:43,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-15 11:43:43,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:43,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:43:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:43:43,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 11:43:43,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:43:43,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-15 11:43:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:43:43,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:43:43,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:43:43,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:43:43,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:43:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-15 11:43:43,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:43:43,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:43:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:43:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 11:43:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:43:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:43:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 11:43:43,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1784125395] [2020-10-15 11:43:43,874 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 11:43:43,874 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-15 11:43:43,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595234052] [2020-10-15 11:43:43,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-15 11:43:43,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 11:43:43,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-15 11:43:43,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-15 11:43:43,901 INFO L87 Difference]: Start difference. First operand 2142 states. Second operand 13 states. [2020-10-15 11:43:46,000 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 616 [2020-10-15 11:44:00,355 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 618 [2020-10-15 11:44:02,581 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 609 [2020-10-15 11:44:05,347 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 633 [2020-10-15 11:44:07,546 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 620 [2020-10-15 11:44:09,767 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 622 [2020-10-15 11:44:12,261 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 637 [2020-10-15 11:44:14,598 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 624 [2020-10-15 11:44:42,369 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 619 [2020-10-15 11:44:44,594 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 621 [2020-10-15 11:46:43,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 11:46:43,927 INFO L93 Difference]: Finished difference Result 6645 states and 9578 transitions. [2020-10-15 11:46:43,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-15 11:46:43,935 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 69 [2020-10-15 11:46:43,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 11:46:43,992 INFO L225 Difference]: With dead ends: 6645 [2020-10-15 11:46:43,992 INFO L226 Difference]: Without dead ends: 4665 [2020-10-15 11:46:44,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 25.0s TimeCoverageRelationStatistics Valid=340, Invalid=920, Unknown=0, NotChecked=0, Total=1260 [2020-10-15 11:46:44,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4665 states. [2020-10-15 11:46:45,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4665 to 3463. [2020-10-15 11:46:45,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3463 states. [2020-10-15 11:46:45,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3463 states and 4657 transitions. [2020-10-15 11:46:45,230 INFO L78 Accepts]: Start accepts. Automaton has 3463 states and 4657 transitions. Word has length 69 [2020-10-15 11:46:45,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 11:46:45,231 INFO L479 AbstractCegarLoop]: Abstraction has 3463 states and 4657 transitions. [2020-10-15 11:46:45,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-15 11:46:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3463 states and 4657 transitions. [2020-10-15 11:46:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-15 11:46:45,240 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 11:46:45,240 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-15 11:46:45,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 11:46:45,241 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 11:46:45,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 11:46:45,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1429088143, now seen corresponding path program 1 times [2020-10-15 11:46:45,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 11:46:45,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410774531] [2020-10-15 11:46:45,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 11:46:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:45,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:45,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:51,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:51,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-15 11:46:51,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:46:51,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5698 [2020-10-15 11:46:51,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:51,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 11:46:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-15 11:46:51,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 11:46:51,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:46:53,410 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 607 [2020-10-15 11:46:53,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 11:46:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:53,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:53,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:53,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:46:53,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:53,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-10-15 11:46:53,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:53,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:53,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:46:53,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:46:53,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:46:53,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:46:53,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:46:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:53,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:53,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:53,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-15 11:46:53,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:53,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-15 11:46:53,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:53,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:53,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:46:53,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:46:53,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:46:53,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:46:53,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:46:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:53,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:53,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:53,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:46:53,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:53,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 11:46:53,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:53,978 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:53,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:46:53,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:46:53,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:46:53,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:46:53,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 11:46:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:53,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:54,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 11:46:54,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:54,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 11:46:54,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:54,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:46:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:46:54,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:46:54,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:46:54,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 11:46:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:54,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:54,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-15 11:46:54,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:54,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 11:46:54,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:54,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:54,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:46:54,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:46:54,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:46:54,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:46:54,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-15 11:46:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:54,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:54,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-15 11:46:54,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 11:46:54,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-15 11:46:54,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:54,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:54,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 11:46:54,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 11:46:54,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-15 11:46:54,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 11:46:54,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 11:46:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:54,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:54,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 11:46:54,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:54,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-15 11:46:54,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:54,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 11:46:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:46:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 11:46:54,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:46:54,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-15 11:46:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:54,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:54,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:46:54,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:54,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-15 11:46:54,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:54,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:46:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:46:54,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 11:46:54,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:46:54,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-15 11:46:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:54,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:54,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:46:54,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:54,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-15 11:46:54,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:54,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:54,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 11:46:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 11:46:54,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 11:46:54,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:46:54,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 11:46:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:54,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:54,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:46:54,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:54,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 11:46:54,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:54,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:46:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 11:46:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:46:54,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:46:54,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-15 11:46:54,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:54,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:54,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:46:54,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:54,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 11:46:54,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:54,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:54,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:46:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 11:46:54,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:46:54,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-15 11:46:54,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 11:46:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:54,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:54,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:46:54,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:54,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-15 11:46:54,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:54,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:46:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 11:46:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:46:54,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:46:54,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-15 11:46:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 11:46:54,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 11:46:54,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 11:46:54,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 11:46:54,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 11:46:54,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-15 11:46:54,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 11:46:54,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 11:46:54,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 11:46:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 11:46:54,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 11:46:54,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 11:46:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-15 11:46:54,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410774531] [2020-10-15 11:46:54,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-15 11:46:54,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-15 11:46:54,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966537504] [2020-10-15 11:46:54,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 11:46:54,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 11:46:54,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 11:46:54,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-10-15 11:46:54,983 INFO L87 Difference]: Start difference. First operand 3463 states and 4657 transitions. Second operand 16 states. [2020-10-15 11:46:57,248 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 616 [2020-10-15 11:47:12,048 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 618 [2020-10-15 11:47:14,623 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 609