/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=NARROWEST --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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:55:20,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:55:20,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:55:20,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:55:20,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:55:20,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:55:20,605 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:55:20,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:55:20,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:55:20,609 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:55:20,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:55:20,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:55:20,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:55:20,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:55:20,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:55:20,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:55:20,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:55:20,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:55:20,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:55:20,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:55:20,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:55:20,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:55:20,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:55:20,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:55:20,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:55:20,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:55:20,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:55:20,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:55:20,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:55:20,628 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:55:20,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:55:20,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:55:20,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:55:20,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:55:20,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:55:20,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:55:20,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:55:20,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:55:20,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:55:20,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:55:20,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:55:20,635 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 [2020-10-13 17:55:20,671 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:55:20,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:55:20,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:55:20,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:55:20,673 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:55:20,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:55:20,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:55:20,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:55:20,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:55:20,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:55:20,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:55:20,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:55:20,674 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:55:20,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:55:20,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:55:20,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:55:20,675 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:55:20,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:55:20,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:55:20,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:55:20,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:55:20,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:55:20,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:55:20,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:55:20,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:55:20,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:55:20,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:55:20,679 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:55:20,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:55:20,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:55:20,994 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:55:20,995 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:55:20,996 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:55:20,996 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2020-10-13 17:55:21,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c432e0034/0f5c88e47c6c4d3eb104ddbb231de01f/FLAG6fd5b6390 [2020-10-13 17:55:21,871 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:55:21,872 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2020-10-13 17:55:21,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c432e0034/0f5c88e47c6c4d3eb104ddbb231de01f/FLAG6fd5b6390 [2020-10-13 17:55:22,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c432e0034/0f5c88e47c6c4d3eb104ddbb231de01f [2020-10-13 17:55:22,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:55:22,381 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:55:22,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:55:22,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:55:22,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:55:22,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:55:22" (1/1) ... [2020-10-13 17:55:22,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66434035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:22, skipping insertion in model container [2020-10-13 17:55:22,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:55:22" (1/1) ... [2020-10-13 17:55:22,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:55:22,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:55:24,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:55:24,711 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:55:25,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:55:25,515 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:55:25,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:25 WrapperNode [2020-10-13 17:55:25,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:55:25,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:55:25,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:55:25,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:55:25,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:25" (1/1) ... [2020-10-13 17:55:25,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:25" (1/1) ... [2020-10-13 17:55:25,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:25" (1/1) ... [2020-10-13 17:55:25,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:25" (1/1) ... [2020-10-13 17:55:25,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:25" (1/1) ... [2020-10-13 17:55:25,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:25" (1/1) ... [2020-10-13 17:55:25,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:25" (1/1) ... [2020-10-13 17:55:25,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:55:25,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:55:25,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:55:25,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:55:25,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:25" (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 [2020-10-13 17:55:25,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:55:25,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:55:25,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:55:25,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-13 17:55:25,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-13 17:55:25,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-13 17:55:25,927 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-13 17:55:25,927 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-13 17:55:25,927 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-13 17:55:25,929 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-13 17:55:25,929 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-13 17:55:25,929 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-13 17:55:25,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-13 17:55:25,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 17:55:25,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:55:25,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:55:25,930 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:55:25,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 17:55:25,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:55:25,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 17:55:25,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 17:55:25,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 17:55:25,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 17:55:25,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 17:55:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 17:55:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 17:55:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-13 17:55:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-13 17:55:25,936 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2020-10-13 17:55:25,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2020-10-13 17:55:25,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pm_wakeup_card_complete [2020-10-13 17:55:25,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_recv [2020-10-13 17:55:25,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_complete [2020-10-13 17:55:25,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_tx_complete [2020-10-13 17:55:25,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2020-10-13 17:55:25,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_free [2020-10-13 17:55:25,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_probe [2020-10-13 17:55:25,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_suspend [2020-10-13 17:55:25,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2020-10-13 17:55:25,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2020-10-13 17:55:25,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_tx_init [2020-10-13 17:55:25,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_init [2020-10-13 17:55:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_sync [2020-10-13 17:55:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_read_data_sync [2020-10-13 17:55:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_host_to_card [2020-10-13 17:55:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_register_dev [2020-10-13 17:55:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_unregister_dev [2020-10-13 17:55:25,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_prog_fw_w_helper [2020-10-13 17:55:25,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_dnld_fw [2020-10-13 17:55:25,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_submit_rx_urb [2020-10-13 17:55:25,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2020-10-13 17:55:25,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_data_complete [2020-10-13 17:55:25,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pm_wakeup_card [2020-10-13 17:55:25,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_init_module [2020-10-13 17:55:25,941 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cleanup_module [2020-10-13 17:55:25,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-13 17:55:25,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_mwifiex_if_ops_1 [2020-10-13 17:55:25,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:55:25,941 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 17:55:25,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2020-10-13 17:55:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2020-10-13 17:55:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2020-10-13 17:55:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2020-10-13 17:55:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2020-10-13 17:55:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2020-10-13 17:55:25,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2020-10-13 17:55:25,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_9 [2020-10-13 17:55:25,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_10 [2020-10-13 17:55:25,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_14 [2020-10-13 17:55:25,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_15 [2020-10-13 17:55:25,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_16 [2020-10-13 17:55:25,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_17 [2020-10-13 17:55:25,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_18 [2020-10-13 17:55:25,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2020-10-13 17:55:25,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_22 [2020-10-13 17:55:25,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2020-10-13 17:55:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-13 17:55:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-13 17:55:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-13 17:55:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-13 17:55:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-13 17:55:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-13 17:55:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-13 17:55:25,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-13 17:55:25,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-13 17:55:25,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-13 17:55:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-13 17:55:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-13 17:55:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-13 17:55:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-13 17:55:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-13 17:55:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-13 17:55:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:55:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-13 17:55:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-13 17:55:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-13 17:55:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 17:55:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-13 17:55:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-13 17:55:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2020-10-13 17:55:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:55:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2020-10-13 17:55:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-13 17:55:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_add_card [2020-10-13 17:55:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_cancel_hs [2020-10-13 17:55:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_deauthenticate [2020-10-13 17:55:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_enable_hs [2020-10-13 17:55:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_init_shutdown_fw [2020-10-13 17:55:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_process_hs_config [2020-10-13 17:55:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_process_sleep_confirm_resp [2020-10-13 17:55:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_remove_card [2020-10-13 17:55:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_complete [2020-10-13 17:55:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-13 17:55:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-13 17:55:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:55:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-13 17:55:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-13 17:55:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-13 17:55:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-13 17:55:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-13 17:55:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-13 17:55:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-13 17:55:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-13 17:55:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 17:55:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_autosuspend [2020-10-13 17:55:25,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-13 17:55:25,955 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 17:55:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-13 17:55:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-13 17:55:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:55:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 17:55:25,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 17:55:25,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 17:55:25,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-13 17:55:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:55:25,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 17:55:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 17:55:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 17:55:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-13 17:55:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-13 17:55:25,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:55:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-13 17:55:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-13 17:55:25,962 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-13 17:55:25,963 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:55:25,970 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-13 17:55:25,970 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-13 17:55:25,970 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-13 17:55:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:55:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:55:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:55:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:55:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2020-10-13 17:55:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-13 17:55:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_10 [2020-10-13 17:55:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2020-10-13 17:55:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 17:55:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_9 [2020-10-13 17:55:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_14 [2020-10-13 17:55:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-13 17:55:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_autosuspend [2020-10-13 17:55:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 17:55:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_22 [2020-10-13 17:55:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 17:55:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2020-10-13 17:55:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2020-10-13 17:55:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_15 [2020-10-13 17:55:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_16 [2020-10-13 17:55:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_17 [2020-10-13 17:55:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_18 [2020-10-13 17:55:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2020-10-13 17:55:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2020-10-13 17:55:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2020-10-13 17:55:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2020-10-13 17:55:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2020-10-13 17:55:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2020-10-13 17:55:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-13 17:55:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-13 17:55:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 17:55:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-13 17:55:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-13 17:55:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-13 17:55:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-13 17:55:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-13 17:55:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-13 17:55:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-13 17:55:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-13 17:55:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-13 17:55:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:55:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:55:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:55:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:55:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:55:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:55:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:55:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 17:55:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:55:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2020-10-13 17:55:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 17:55:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 17:55:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 17:55:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:55:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 17:55:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 17:55:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 17:55:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 17:55:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 17:55:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 17:55:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-13 17:55:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_mwifiex_if_ops_1 [2020-10-13 17:55:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-13 17:55:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-13 17:55:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-13 17:55:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-13 17:55:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-13 17:55:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-13 17:55:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-13 17:55:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-13 17:55:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2020-10-13 17:55:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 17:55:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-13 17:55:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-13 17:55:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-13 17:55:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_complete [2020-10-13 17:55:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_process_sleep_confirm_resp [2020-10-13 17:55:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_process_hs_config [2020-10-13 17:55:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_deauthenticate [2020-10-13 17:55:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2020-10-13 17:55:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_init_shutdown_fw [2020-10-13 17:55:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_add_card [2020-10-13 17:55:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_remove_card [2020-10-13 17:55:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_cancel_hs [2020-10-13 17:55:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_enable_hs [2020-10-13 17:55:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pm_wakeup_card_complete [2020-10-13 17:55:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2020-10-13 17:55:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_recv [2020-10-13 17:55:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_complete [2020-10-13 17:55:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_tx_complete [2020-10-13 17:55:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_free [2020-10-13 17:55:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_probe [2020-10-13 17:55:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_suspend [2020-10-13 17:55:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2020-10-13 17:55:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2020-10-13 17:55:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_tx_init [2020-10-13 17:55:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_init [2020-10-13 17:55:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_sync [2020-10-13 17:55:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_read_data_sync [2020-10-13 17:55:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_host_to_card [2020-10-13 17:55:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_register_dev [2020-10-13 17:55:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_unregister_dev [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_prog_fw_w_helper [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_dnld_fw [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_submit_rx_urb [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_data_complete [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pm_wakeup_card [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_init_module [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cleanup_module [2020-10-13 17:55:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2020-10-13 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-13 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-13 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-13 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:55:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-13 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-13 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-13 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-13 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:55:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:55:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:55:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 17:55:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 17:55:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 17:55:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 17:55:26,922 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 17:55:33,298 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-13 17:55:36,886 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:55:36,886 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-13 17:55:36,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:55:36 BoogieIcfgContainer [2020-10-13 17:55:36,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:55:36,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:55:36,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:55:36,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:55:36,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:55:22" (1/3) ... [2020-10-13 17:55:36,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328e1917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:55:36, skipping insertion in model container [2020-10-13 17:55:36,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:55:25" (2/3) ... [2020-10-13 17:55:36,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328e1917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:55:36, skipping insertion in model container [2020-10-13 17:55:36,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:55:36" (3/3) ... [2020-10-13 17:55:36,918 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2020-10-13 17:55:36,931 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:55:36,943 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:55:36,962 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:55:36,999 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:55:37,000 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:55:37,000 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:55:37,000 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:55:37,000 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:55:37,000 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:55:37,000 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:55:37,000 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:55:37,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states. [2020-10-13 17:55:37,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-13 17:55:37,094 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:55:37,095 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:55:37,096 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:55:37,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:55:37,103 INFO L82 PathProgramCache]: Analyzing trace with hash 644200637, now seen corresponding path program 1 times [2020-10-13 17:55:37,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:55:37,114 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808164710] [2020-10-13 17:55:37,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:55:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:38,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:43,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:43,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 17:55:43,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:55:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5277 [2020-10-13 17:55:43,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:55:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 17:55:43,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:55:43,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 17:55:48,665 WARN L193 SmtUtils]: Spent 4.99 s on a formula simplification that was a NOOP. DAG size: 1135 [2020-10-13 17:55:48,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:55:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:48,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:49,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:49,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:55:49,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:55:49,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1113 [2020-10-13 17:55:49,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:49,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:55:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:55:49,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:55:49,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:55:50,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:55:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:50,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:50,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:50,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:55:50,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:55:50,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 17:55:50,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:55:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:55:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:55:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:55:50,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 17:55:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:50,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:50,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:50,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:55:50,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:55:50,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 17:55:50,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:55:50,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:55:50,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:55:50,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:55:50,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 17:55:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:50,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:50,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:50,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:55:50,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:55:50,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 17:55:50,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:55:50,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:55:50,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:55:50,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:55:50,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 17:55:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:50,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:50,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:50,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:55:50,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:55:50,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 17:55:50,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:50,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:55:50,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:55:50,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:55:50,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:55:50,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:55:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:50,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:50,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:50,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:55:50,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:55:50,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-13 17:55:50,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:55:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 17:55:50,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 17:55:50,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:55:50,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 17:55:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:50,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:50,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:50,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:55:50,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:55:50,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-13 17:55:50,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:55:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 17:55:50,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:55:50,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:55:50,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:55:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:50,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:50,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:50,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:55:50,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:55:50,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 17:55:50,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:50,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:55:50,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:55:50,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:55:50,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:55:50,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 17:55:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:50,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:50,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:50,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:55:50,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:55:50,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 17:55:50,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:55:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:55:50,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:55:50,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:55:50,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:55:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:55:50,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:55:50,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:55:50,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:55:50,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:55:50,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 17:55:50,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:55:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:55:50,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:55:50,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:55:50,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:55:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 17:55:50,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808164710] [2020-10-13 17:55:50,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:55:50,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 17:55:50,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623069252] [2020-10-13 17:55:50,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 17:55:50,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:55:51,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 17:55:51,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-13 17:55:51,012 INFO L87 Difference]: Start difference. First operand 1154 states. Second operand 9 states. [2020-10-13 17:55:58,808 WARN L193 SmtUtils]: Spent 4.90 s on a formula simplification that was a NOOP. DAG size: 1138 [2020-10-13 17:56:03,931 WARN L193 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 1140 [2020-10-13 17:56:39,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:56:39,121 INFO L93 Difference]: Finished difference Result 2566 states and 3556 transitions. [2020-10-13 17:56:39,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 17:56:39,128 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-13 17:56:39,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:56:39,162 INFO L225 Difference]: With dead ends: 2566 [2020-10-13 17:56:39,162 INFO L226 Difference]: Without dead ends: 1423 [2020-10-13 17:56:39,177 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-13 17:56:39,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2020-10-13 17:56:39,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1116. [2020-10-13 17:56:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2020-10-13 17:56:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1476 transitions. [2020-10-13 17:56:39,780 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1476 transitions. Word has length 64 [2020-10-13 17:56:39,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:56:39,781 INFO L479 AbstractCegarLoop]: Abstraction has 1116 states and 1476 transitions. [2020-10-13 17:56:39,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 17:56:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1476 transitions. [2020-10-13 17:56:39,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 17:56:39,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:56:39,786 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:56:39,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:56:39,787 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:56:39,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:56:39,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1942082280, now seen corresponding path program 1 times [2020-10-13 17:56:39,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:56:39,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453538363] [2020-10-13 17:56:39,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:56:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:40,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:40,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:45,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:45,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 17:56:45,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:56:45,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5148 [2020-10-13 17:56:45,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:45,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:56:45,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 17:56:45,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:56:45,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:56:50,266 WARN L193 SmtUtils]: Spent 4.97 s on a formula simplification that was a NOOP. DAG size: 1135 [2020-10-13 17:56:50,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:56:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:50,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:51,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:51,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:56:51,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:56:51,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 743 [2020-10-13 17:56:51,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:56:51,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:56:51,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:56:51,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:56:51,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:56:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:51,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:51,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:51,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:56:51,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:56:51,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:56:51,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:56:51,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:56:51,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:56:51,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:56:51,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 17:56:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:51,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:51,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:51,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:56:51,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:56:51,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 17:56:51,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:51,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:56:51,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:56:51,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:56:51,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:56:51,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 17:56:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:51,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:51,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:51,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:56:51,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:56:51,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 17:56:51,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:51,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:56:51,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:56:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:56:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:56:51,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 17:56:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:51,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:51,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:51,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:56:51,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:56:51,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:56:51,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:51,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:56:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:56:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:56:51,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:56:51,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:56:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:51,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:51,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:51,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 17:56:51,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:56:51,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-13 17:56:51,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:56:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 17:56:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 17:56:51,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:56:51,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 17:56:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:51,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:51,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:51,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:56:51,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:56:51,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 17:56:51,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:51,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:56:51,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 17:56:51,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:56:51,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:56:51,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:56:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:51,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:51,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:51,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:56:51,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:56:51,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 17:56:51,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:56:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:56:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:56:51,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:56:51,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 17:56:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:51,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:51,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:51,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:56:51,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:56:51,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 17:56:51,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:56:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:56:51,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:56:51,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:56:51,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:56:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:56:51,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:56:51,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:56:51,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:56:51,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:56:51,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:56:51,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:56:51,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:56:51,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:56:51,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:56:51,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:56:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 17:56:51,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453538363] [2020-10-13 17:56:51,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:56:51,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 17:56:51,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695950157] [2020-10-13 17:56:51,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 17:56:51,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:56:51,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 17:56:51,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:56:51,939 INFO L87 Difference]: Start difference. First operand 1116 states and 1476 transitions. Second operand 10 states. [2020-10-13 17:57:00,295 WARN L193 SmtUtils]: Spent 5.04 s on a formula simplification that was a NOOP. DAG size: 1138 [2020-10-13 17:58:27,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:58:27,905 INFO L93 Difference]: Finished difference Result 2526 states and 3398 transitions. [2020-10-13 17:58:27,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 17:58:27,913 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2020-10-13 17:58:27,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:58:27,923 INFO L225 Difference]: With dead ends: 2526 [2020-10-13 17:58:27,923 INFO L226 Difference]: Without dead ends: 1424 [2020-10-13 17:58:27,927 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-10-13 17:58:27,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2020-10-13 17:58:28,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1117. [2020-10-13 17:58:28,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1117 states. [2020-10-13 17:58:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1477 transitions. [2020-10-13 17:58:28,335 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1477 transitions. Word has length 65 [2020-10-13 17:58:28,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:58:28,336 INFO L479 AbstractCegarLoop]: Abstraction has 1117 states and 1477 transitions. [2020-10-13 17:58:28,336 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 17:58:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1477 transitions. [2020-10-13 17:58:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-13 17:58:28,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:58:28,338 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-13 17:58:28,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 17:58:28,339 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:58:28,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:58:28,339 INFO L82 PathProgramCache]: Analyzing trace with hash -512474083, now seen corresponding path program 2 times [2020-10-13 17:58:28,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:58:28,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958152533] [2020-10-13 17:58:28,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:58:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:28,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:28,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:34,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:34,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 17:58:34,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:58:34,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5785 [2020-10-13 17:58:34,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:58:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 17:58:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 17:58:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:39,192 WARN L193 SmtUtils]: Spent 4.76 s on a formula simplification that was a NOOP. DAG size: 1135 [2020-10-13 17:58:39,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:58:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:39,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:39,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:39,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:58:39,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:58:39,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 681 [2020-10-13 17:58:39,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:39,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:58:39,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:58:39,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:58:39,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:40,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:58:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:40,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:40,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:40,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:58:40,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:58:40,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:58:40,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:58:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:58:40,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:58:40,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:40,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 17:58:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:40,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:40,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:40,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:58:40,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:58:40,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:58:40,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:58:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:58:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:58:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:40,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 17:58:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:40,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:40,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:40,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:58:40,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:58:40,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:58:40,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:58:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:58:40,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:58:40,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:40,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 17:58:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:40,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:40,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:40,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:58:40,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:58:40,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:58:40,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:40,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:58:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:58:40,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:58:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:58:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:40,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:40,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:40,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 17:58:40,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:58:40,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 17:58:40,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:40,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:58:40,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 17:58:40,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 17:58:40,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:40,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 17:58:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:40,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:40,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:40,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:58:40,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:58:40,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 17:58:40,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:58:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-13 17:58:40,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:58:40,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:40,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:58:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:40,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:40,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:40,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:58:40,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:58:40,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:58:40,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:40,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:58:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:58:40,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:58:40,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:40,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-13 17:58:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:40,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:40,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:40,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:58:40,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:58:40,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:58:40,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:40,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:58:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:58:40,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:58:40,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:40,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:58:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:58:40,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:58:40,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:58:40,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:58:40,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:58:40,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:58:40,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:58:40,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:58:40,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:58:40,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:58:40,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:58:40,571 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 17:58:40,572 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1958152533] [2020-10-13 17:58:40,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:58:40,573 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 17:58:40,573 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88250659] [2020-10-13 17:58:40,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 17:58:40,574 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:58:40,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 17:58:40,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-10-13 17:58:40,576 INFO L87 Difference]: Start difference. First operand 1117 states and 1477 transitions. Second operand 11 states. [2020-10-13 17:58:49,291 WARN L193 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 1138