/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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 [2020-10-14 12:21:24,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 12:21:24,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 12:21:24,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 12:21:24,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 12:21:24,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 12:21:24,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 12:21:24,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 12:21:24,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 12:21:24,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 12:21:24,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 12:21:24,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 12:21:24,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 12:21:24,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 12:21:24,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 12:21:24,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 12:21:24,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 12:21:24,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 12:21:24,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 12:21:24,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 12:21:24,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 12:21:24,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 12:21:24,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 12:21:24,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 12:21:24,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 12:21:24,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 12:21:24,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 12:21:24,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 12:21:24,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 12:21:24,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 12:21:24,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 12:21:24,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 12:21:24,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 12:21:24,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 12:21:24,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 12:21:24,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 12:21:24,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 12:21:24,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 12:21:24,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 12:21:24,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 12:21:24,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 12:21:24,903 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 [2020-10-14 12:21:24,924 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 12:21:24,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 12:21:24,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 12:21:24,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 12:21:24,926 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 12:21:24,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 12:21:24,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 12:21:24,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 12:21:24,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 12:21:24,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 12:21:24,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 12:21:24,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 12:21:24,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 12:21:24,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 12:21:24,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 12:21:24,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 12:21:24,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 12:21:24,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 12:21:24,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 12:21:24,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 12:21:24,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 12:21:24,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 12:21:24,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 12:21:24,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 12:21:24,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 12:21:24,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 12:21:24,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 12:21:24,930 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 12:21:25,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 12:21:25,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 12:21:25,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 12:21:25,238 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 12:21:25,238 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 12:21:25,239 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2020-10-14 12:21:25,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/609d3d724/4d73818ad059469f9a8dcb7ffd278297/FLAG4c5079007 [2020-10-14 12:21:26,111 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 12:21:26,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--mwifiex--mwifiex_usb.ko-entry_point.cil.out.i [2020-10-14 12:21:26,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/609d3d724/4d73818ad059469f9a8dcb7ffd278297/FLAG4c5079007 [2020-10-14 12:21:26,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/609d3d724/4d73818ad059469f9a8dcb7ffd278297 [2020-10-14 12:21:26,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 12:21:26,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 12:21:26,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 12:21:26,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 12:21:26,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 12:21:26,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:21:26" (1/1) ... [2020-10-14 12:21:26,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413ce9db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:26, skipping insertion in model container [2020-10-14 12:21:26,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:21:26" (1/1) ... [2020-10-14 12:21:26,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 12:21:26,828 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 12:21:28,397 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:21:28,423 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 12:21:28,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:21:29,127 INFO L208 MainTranslator]: Completed translation [2020-10-14 12:21:29,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:29 WrapperNode [2020-10-14 12:21:29,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 12:21:29,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 12:21:29,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 12:21:29,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 12:21:29,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:29" (1/1) ... [2020-10-14 12:21:29,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:29" (1/1) ... [2020-10-14 12:21:29,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:29" (1/1) ... [2020-10-14 12:21:29,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:29" (1/1) ... [2020-10-14 12:21:29,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:29" (1/1) ... [2020-10-14 12:21:29,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:29" (1/1) ... [2020-10-14 12:21:29,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:29" (1/1) ... [2020-10-14 12:21:29,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 12:21:29,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 12:21:29,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 12:21:29,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 12:21:29,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:29" (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 [2020-10-14 12:21:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 12:21:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 12:21:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 12:21:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2020-10-14 12:21:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-14 12:21:29,507 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-14 12:21:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-14 12:21:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-14 12:21:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-14 12:21:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2020-10-14 12:21:29,508 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2020-10-14 12:21:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-14 12:21:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure sema_init [2020-10-14 12:21:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 12:21:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 12:21:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 12:21:29,509 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 12:21:29,510 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-14 12:21:29,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 12:21:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-14 12:21:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-14 12:21:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-14 12:21:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-14 12:21:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-14 12:21:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-14 12:21:29,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-14 12:21:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2020-10-14 12:21:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2020-10-14 12:21:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2020-10-14 12:21:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_get_priv [2020-10-14 12:21:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pm_wakeup_card_complete [2020-10-14 12:21:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_recv [2020-10-14 12:21:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_complete [2020-10-14 12:21:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_tx_complete [2020-10-14 12:21:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_submit_rx_urb [2020-10-14 12:21:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_free [2020-10-14 12:21:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_probe [2020-10-14 12:21:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_suspend [2020-10-14 12:21:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_resume [2020-10-14 12:21:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_disconnect [2020-10-14 12:21:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_tx_init [2020-10-14 12:21:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_rx_init [2020-10-14 12:21:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_sync [2020-10-14 12:21:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_read_data_sync [2020-10-14 12:21:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_host_to_card [2020-10-14 12:21:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_register_dev [2020-10-14 12:21:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_unregister_dev [2020-10-14 12:21:29,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_prog_fw_w_helper [2020-10-14 12:21:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_dnld_fw [2020-10-14 12:21:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_submit_rx_urb [2020-10-14 12:21:29,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cmd_event_complete [2020-10-14 12:21:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_data_complete [2020-10-14 12:21:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_pm_wakeup_card [2020-10-14 12:21:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_init_module [2020-10-14 12:21:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_usb_cleanup_module [2020-10-14 12:21:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-14 12:21:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_mwifiex_if_ops_1 [2020-10-14 12:21:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 12:21:29,520 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-14 12:21:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_2 [2020-10-14 12:21:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2020-10-14 12:21:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_4 [2020-10-14 12:21:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2020-10-14 12:21:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_6 [2020-10-14 12:21:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_7 [2020-10-14 12:21:29,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2020-10-14 12:21:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_9 [2020-10-14 12:21:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_10 [2020-10-14 12:21:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_14 [2020-10-14 12:21:29,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_15 [2020-10-14 12:21:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_16 [2020-10-14 12:21:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_17 [2020-10-14 12:21:29,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_18 [2020-10-14 12:21:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2020-10-14 12:21:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_22 [2020-10-14 12:21:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_23 [2020-10-14 12:21:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2020-10-14 12:21:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2020-10-14 12:21:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2020-10-14 12:21:29,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2020-10-14 12:21:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2020-10-14 12:21:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2020-10-14 12:21:29,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2020-10-14 12:21:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2020-10-14 12:21:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2020-10-14 12:21:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2020-10-14 12:21:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2020-10-14 12:21:29,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2020-10-14 12:21:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2020-10-14 12:21:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2020-10-14 12:21:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2020-10-14 12:21:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2020-10-14 12:21:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 12:21:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-14 12:21:29,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-14 12:21:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-14 12:21:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 12:21:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2020-10-14 12:21:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-14 12:21:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2020-10-14 12:21:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 12:21:29,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2020-10-14 12:21:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-14 12:21:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_add_card [2020-10-14 12:21:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_cancel_hs [2020-10-14 12:21:29,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_deauthenticate [2020-10-14 12:21:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_enable_hs [2020-10-14 12:21:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_init_shutdown_fw [2020-10-14 12:21:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_process_hs_config [2020-10-14 12:21:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_process_sleep_confirm_resp [2020-10-14 12:21:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_remove_card [2020-10-14 12:21:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure mwifiex_write_data_complete [2020-10-14 12:21:29,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2020-10-14 12:21:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2020-10-14 12:21:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 12:21:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-14 12:21:29,532 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-14 12:21:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-14 12:21:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-14 12:21:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-14 12:21:29,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-14 12:21:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2020-10-14 12:21:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2020-10-14 12:21:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 12:21:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disable_autosuspend [2020-10-14 12:21:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-14 12:21:29,535 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 12:21:29,536 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2020-10-14 12:21:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-14 12:21:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 12:21:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-14 12:21:29,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-14 12:21:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-14 12:21:29,540 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-14 12:21:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 12:21:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-14 12:21:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-14 12:21:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-14 12:21:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-14 12:21:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2020-10-14 12:21:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 12:21:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-14 12:21:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-14 12:21:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-14 12:21:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 12:21:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-14 12:21:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-14 12:21:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-14 12:21:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-14 12:21:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 12:21:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2020-10-14 12:21:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2020-10-14 12:21:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-14 12:21:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-14 12:21:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-14 12:21:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-14 12:21:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 12:21:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-14 12:21:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure sema_init [2020-10-14 12:21:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 12:21:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 12:21:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 12:21:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 12:21:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2020-10-14 12:21:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure up [2020-10-14 12:21:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_10 [2020-10-14 12:21:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2020-10-14 12:21:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-14 12:21:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_9 [2020-10-14 12:21:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_14 [2020-10-14 12:21:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2020-10-14 12:21:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disable_autosuspend [2020-10-14 12:21:29,552 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 12:21:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_22 [2020-10-14 12:21:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 12:21:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_23 [2020-10-14 12:21:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_2 [2020-10-14 12:21:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_15 [2020-10-14 12:21:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_16 [2020-10-14 12:21:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_17 [2020-10-14 12:21:29,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_18 [2020-10-14 12:21:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_4 [2020-10-14 12:21:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2020-10-14 12:21:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_6 [2020-10-14 12:21:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_7 [2020-10-14 12:21:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2020-10-14 12:21:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2020-10-14 12:21:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-14 12:21:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2020-10-14 12:21:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 12:21:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2020-10-14 12:21:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2020-10-14 12:21:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2020-10-14 12:21:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2020-10-14 12:21:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2020-10-14 12:21:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2020-10-14 12:21:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2020-10-14 12:21:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2020-10-14 12:21:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2020-10-14 12:21:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 12:21:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 12:21:29,556 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 12:21:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 12:21:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 12:21:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 12:21:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 12:21:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-14 12:21:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 12:21:29,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2020-10-14 12:21:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 12:21:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-14 12:21:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-14 12:21:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 12:21:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-14 12:21:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-14 12:21:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-14 12:21:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-14 12:21:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-14 12:21:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-14 12:21:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-14 12:21:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_mwifiex_if_ops_1 [2020-10-14 12:21:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-14 12:21:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-14 12:21:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-14 12:21:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-14 12:21:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-14 12:21:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-14 12:21:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2020-10-14 12:21:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2020-10-14 12:21:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2020-10-14 12:21:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-14 12:21:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2020-10-14 12:21:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2020-10-14 12:21:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2020-10-14 12:21:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_complete [2020-10-14 12:21:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_process_sleep_confirm_resp [2020-10-14 12:21:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_process_hs_config [2020-10-14 12:21:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_deauthenticate [2020-10-14 12:21:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_get_priv [2020-10-14 12:21:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_init_shutdown_fw [2020-10-14 12:21:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_add_card [2020-10-14 12:21:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_remove_card [2020-10-14 12:21:29,562 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_cancel_hs [2020-10-14 12:21:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_enable_hs [2020-10-14 12:21:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pm_wakeup_card_complete [2020-10-14 12:21:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_submit_rx_urb [2020-10-14 12:21:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_recv [2020-10-14 12:21:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_complete [2020-10-14 12:21:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_tx_complete [2020-10-14 12:21:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_free [2020-10-14 12:21:29,563 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_probe [2020-10-14 12:21:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_suspend [2020-10-14 12:21:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_resume [2020-10-14 12:21:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_disconnect [2020-10-14 12:21:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_tx_init [2020-10-14 12:21:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_rx_init [2020-10-14 12:21:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_write_data_sync [2020-10-14 12:21:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_read_data_sync [2020-10-14 12:21:29,569 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_host_to_card [2020-10-14 12:21:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_register_dev [2020-10-14 12:21:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-14 12:21:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_unregister_dev [2020-10-14 12:21:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_prog_fw_w_helper [2020-10-14 12:21:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-14 12:21:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_dnld_fw [2020-10-14 12:21:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_submit_rx_urb [2020-10-14 12:21:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cmd_event_complete [2020-10-14 12:21:29,570 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_data_complete [2020-10-14 12:21:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_pm_wakeup_card [2020-10-14 12:21:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_init_module [2020-10-14 12:21:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure mwifiex_usb_cleanup_module [2020-10-14 12:21:29,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 12:21:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 12:21:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2020-10-14 12:21:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 12:21:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2020-10-14 12:21:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2020-10-14 12:21:29,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2020-10-14 12:21:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-14 12:21:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2020-10-14 12:21:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2020-10-14 12:21:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2020-10-14 12:21:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2020-10-14 12:21:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 12:21:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 12:21:29,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 12:21:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 12:21:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 12:21:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 12:21:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-14 12:21:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-14 12:21:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-14 12:21:29,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-14 12:21:30,706 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-14 12:21:36,972 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2020-10-14 12:21:40,594 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 12:21:40,594 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-14 12:21:40,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:21:40 BoogieIcfgContainer [2020-10-14 12:21:40,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 12:21:40,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 12:21:40,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 12:21:40,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 12:21:40,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:21:26" (1/3) ... [2020-10-14 12:21:40,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c36c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:21:40, skipping insertion in model container [2020-10-14 12:21:40,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:21:29" (2/3) ... [2020-10-14 12:21:40,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c36c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:21:40, skipping insertion in model container [2020-10-14 12:21:40,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:21:40" (3/3) ... [2020-10-14 12:21:40,623 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 [2020-10-14 12:21:40,634 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 12:21:40,647 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 12:21:40,662 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 12:21:40,705 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 12:21:40,705 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 12:21:40,705 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 12:21:40,705 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 12:21:40,706 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 12:21:40,706 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 12:21:40,706 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 12:21:40,706 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 12:21:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states. [2020-10-14 12:21:40,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-14 12:21:40,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:21:40,775 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] [2020-10-14 12:21:40,776 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:21:40,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:21:40,781 INFO L82 PathProgramCache]: Analyzing trace with hash 644200637, now seen corresponding path program 1 times [2020-10-14 12:21:40,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:21:40,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407144047] [2020-10-14 12:21:40,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:21:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:42,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:47,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:47,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-14 12:21:47,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:21:47,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5995 [2020-10-14 12:21:47,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:47,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:21:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 12:21:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 12:21:47,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 12:21:53,090 WARN L193 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 1135 [2020-10-14 12:21:53,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:21:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:53,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:54,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:21:54,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:21:54,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 994 [2020-10-14 12:21:54,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:54,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:54,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:21:54,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:21:54,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:21:54,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:21:54,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:21:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:54,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:54,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:21:54,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:21:54,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:21:54,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:54,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:21:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:21:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:21:54,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:21:54,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 12:21:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:54,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:54,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:21:54,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:21:54,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-14 12:21:54,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:54,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:54,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:21:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:21:54,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:21:54,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:21:54,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 12:21:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:54,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:54,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:21:54,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:21:54,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:21:54,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:54,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:54,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:21:54,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:21:54,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:21:54,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:21:54,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 12:21:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:54,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:54,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:21:54,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:21:54,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:21:54,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:54,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:54,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:21:54,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:21:54,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:21:54,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:21:54,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 12:21:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:54,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:54,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:21:54,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:21:54,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 12:21:54,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:54,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:21:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:21:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:21:54,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:21:54,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 12:21:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:54,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:54,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 12:21:54,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:21:54,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-14 12:21:54,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:54,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:54,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:21:54,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-10-14 12:21:54,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:21:54,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:21:54,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:21:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:54,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:54,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:21:54,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:21:54,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:21:54,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:54,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:54,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:21:54,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:21:54,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:21:54,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:21:54,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 12:21:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:54,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:54,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:21:54,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:21:54,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 12:21:54,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:54,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:21:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:21:54,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:21:54,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:21:54,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:21:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:21:54,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:21:54,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:21:54,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:21:54,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:21:54,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:21:54,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:21:54,675 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:21:54,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:21:54,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:21:54,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:21:54,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:21:54,740 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-14 12:21:54,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407144047] [2020-10-14 12:21:54,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:21:54,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 12:21:54,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908124092] [2020-10-14 12:21:54,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 12:21:54,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:21:54,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 12:21:54,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-14 12:21:54,769 INFO L87 Difference]: Start difference. First operand 1154 states. Second operand 8 states. [2020-10-14 12:22:03,800 WARN L193 SmtUtils]: Spent 5.10 s on a formula simplification that was a NOOP. DAG size: 1137 [2020-10-14 12:23:16,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:23:16,849 INFO L93 Difference]: Finished difference Result 3933 states and 5561 transitions. [2020-10-14 12:23:16,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 12:23:16,856 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64 [2020-10-14 12:23:16,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:23:16,903 INFO L225 Difference]: With dead ends: 3933 [2020-10-14 12:23:16,904 INFO L226 Difference]: Without dead ends: 2779 [2020-10-14 12:23:16,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2020-10-14 12:23:16,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2779 states. [2020-10-14 12:23:17,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2779 to 2100. [2020-10-14 12:23:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2100 states. [2020-10-14 12:23:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2795 transitions. [2020-10-14 12:23:17,809 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2795 transitions. Word has length 64 [2020-10-14 12:23:17,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:23:17,810 INFO L479 AbstractCegarLoop]: Abstraction has 2100 states and 2795 transitions. [2020-10-14 12:23:17,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 12:23:17,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2795 transitions. [2020-10-14 12:23:17,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-14 12:23:17,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:23:17,820 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:23:17,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 12:23:17,821 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:23:17,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:23:17,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1549299551, now seen corresponding path program 1 times [2020-10-14 12:23:17,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:23:17,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534110560] [2020-10-14 12:23:17,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:23:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:18,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:24,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:24,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 125 [2020-10-14 12:23:24,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:24,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6603 [2020-10-14 12:23:24,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:24,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:24,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:23:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 12:23:24,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:23:24,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:30,007 WARN L193 SmtUtils]: Spent 5.15 s on a formula simplification that was a NOOP. DAG size: 1135 [2020-10-14 12:23:30,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:23:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:30,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:30,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:30,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:23:30,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:30,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-10-14 12:23:30,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:30,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:30,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:30,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:30,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:23:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:31,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:23:31,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 12:23:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:31,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:23:31,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 12:23:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:31,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:23:31,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 12:23:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:23:31,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:23:31,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:23:31,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 12:23:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:31,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 12:23:31,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:23:31,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 12:23:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 12:23:31,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-14 12:23:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 12:23:31,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-14 12:23:31,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-14 12:23:31,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:23:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:23:31,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:23:31,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 12:23:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:23:31,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-14 12:23:31,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:23:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:23:31,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:23:31,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 12:23:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 12:23:31,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 12:23:31,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:23:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:23:31,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:23:31,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:23:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:23:31,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:23:31,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:23:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:23:31,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:23:31,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:23:31,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:23:31,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:23:31,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:23:31,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:23:31,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:23:31,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:23:31,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:23:31,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:23:31,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:23:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 12:23:31,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534110560] [2020-10-14 12:23:31,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:23:31,938 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 12:23:31,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575577970] [2020-10-14 12:23:31,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 12:23:31,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:23:31,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 12:23:31,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-14 12:23:31,941 INFO L87 Difference]: Start difference. First operand 2100 states and 2795 transitions. Second operand 11 states. [2020-10-14 12:23:40,439 WARN L193 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 1138 [2020-10-14 12:23:45,558 WARN L193 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 1140 [2020-10-14 12:24:49,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:24:49,565 INFO L93 Difference]: Finished difference Result 4769 states and 6443 transitions. [2020-10-14 12:24:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 12:24:49,577 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2020-10-14 12:24:49,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:24:49,595 INFO L225 Difference]: With dead ends: 4769 [2020-10-14 12:24:49,595 INFO L226 Difference]: Without dead ends: 2681 [2020-10-14 12:24:49,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-14 12:24:49,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2681 states. [2020-10-14 12:24:50,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2681 to 2102. [2020-10-14 12:24:50,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2102 states. [2020-10-14 12:24:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 2102 states and 2797 transitions. [2020-10-14 12:24:50,386 INFO L78 Accepts]: Start accepts. Automaton has 2102 states and 2797 transitions. Word has length 89 [2020-10-14 12:24:50,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:24:50,387 INFO L479 AbstractCegarLoop]: Abstraction has 2102 states and 2797 transitions. [2020-10-14 12:24:50,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 12:24:50,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2797 transitions. [2020-10-14 12:24:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-14 12:24:50,393 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:24:50,393 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 12:24:50,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 12:24:50,393 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:24:50,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:24:50,394 INFO L82 PathProgramCache]: Analyzing trace with hash 582625446, now seen corresponding path program 1 times [2020-10-14 12:24:50,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:24:50,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [581944934] [2020-10-14 12:24:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:24:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:24:50,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:24:56,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:24:56,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-14 12:24:56,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:24:56,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5603 [2020-10-14 12:24:56,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:24:56,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:24:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:24:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-14 12:24:56,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:24:56,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:25:01,427 WARN L193 SmtUtils]: Spent 5.13 s on a formula simplification that was a NOOP. DAG size: 1135 [2020-10-14 12:25:01,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:25:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:01,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:02,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:02,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:25:02,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:02,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1209 [2020-10-14 12:25:02,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:02,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:02,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:02,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:25:02,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:25:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:02,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:02,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:02,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:25:02,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:02,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:25:02,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:02,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:02,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:02,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:02,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 12:25:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:02,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:02,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:02,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:25:02,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:02,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 12:25:02,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:02,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:02,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:02,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:02,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 12:25:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:02,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:02,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:02,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:25:02,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:02,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:25:02,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:02,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:02,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:02,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:02,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:02,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:02,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-14 12:25:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:02,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:02,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:02,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:25:02,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:02,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:25:02,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:02,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:02,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:02,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:02,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:02,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:02,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 12:25:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:02,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:03,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:03,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 12:25:03,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:03,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 12:25:03,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:03,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:25:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-14 12:25:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 12:25:03,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:03,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-14 12:25:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:03,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:03,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:03,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-14 12:25:03,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:03,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-14 12:25:03,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:03,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-14 12:25:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:03,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:25:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:03,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:03,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:03,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:25:03,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:03,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 12:25:03,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:03,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:03,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:03,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:03,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-14 12:25:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:03,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:03,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:03,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:25:03,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:03,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-14 12:25:03,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:03,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:03,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:03,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:25:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:03,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:03,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:03,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:25:03,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:03,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:25:03,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:03,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:03,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:03,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:03,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-14 12:25:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:03,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:03,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:03,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-14 12:25:03,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:03,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-14 12:25:03,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:03,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:03,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:03,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:03,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:03,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:03,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:25:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:03,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:03,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:03,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:25:03,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:03,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:25:03,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:03,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:03,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:03,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:03,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:03,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:03,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:25:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:03,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:03,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:03,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:25:03,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:03,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:25:03,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:03,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:03,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:03,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:03,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:03,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:25:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:25:03,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:25:03,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:25:03,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:25:03,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:25:03,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:25:03,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:25:03,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:25:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:25:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:25:03,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:25:03,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:25:03,731 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-14 12:25:03,732 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [581944934] [2020-10-14 12:25:03,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 12:25:03,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-14 12:25:03,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300313394] [2020-10-14 12:25:03,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-14 12:25:03,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:25:03,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-14 12:25:03,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-10-14 12:25:03,734 INFO L87 Difference]: Start difference. First operand 2102 states and 2797 transitions. Second operand 12 states. [2020-10-14 12:25:11,715 WARN L193 SmtUtils]: Spent 4.93 s on a formula simplification that was a NOOP. DAG size: 1138