/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=SHALLOWEST --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 language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 10:21:55,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 10:21:55,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 10:21:55,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 10:21:55,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 10:21:55,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 10:21:55,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 10:21:55,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 10:21:55,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 10:21:55,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 10:21:55,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 10:21:55,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 10:21:55,347 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 10:21:55,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 10:21:55,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 10:21:55,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 10:21:55,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 10:21:55,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 10:21:55,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 10:21:55,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 10:21:55,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 10:21:55,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 10:21:55,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 10:21:55,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 10:21:55,397 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 10:21:55,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 10:21:55,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 10:21:55,422 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 10:21:55,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 10:21:55,427 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 10:21:55,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 10:21:55,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 10:21:55,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 10:21:55,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 10:21:55,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 10:21:55,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 10:21:55,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 10:21:55,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 10:21:55,446 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 10:21:55,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 10:21:55,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 10:21:55,462 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 [2020-10-27 10:21:55,523 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 10:21:55,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 10:21:55,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 10:21:55,526 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 10:21:55,526 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 10:21:55,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 10:21:55,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 10:21:55,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 10:21:55,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 10:21:55,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 10:21:55,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 10:21:55,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 10:21:55,529 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 10:21:55,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 10:21:55,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 10:21:55,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 10:21:55,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 10:21:55,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 10:21:55,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 10:21:55,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 10:21:55,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 10:21:55,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 10:21:55,531 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 10:21:55,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 10:21:55,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 10:21:55,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 10:21:55,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-27 10:21:55,533 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 10:21:55,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 10:21:55,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 10:21:55,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 10:21:55,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 10:21:55,976 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 10:21:55,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2020-10-27 10:21:56,062 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16f1e2437/a63fc64ec58a450e813c1305c4fb225b/FLAG58fd9c592 [2020-10-27 10:21:57,225 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 10:21:57,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2020-10-27 10:21:57,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16f1e2437/a63fc64ec58a450e813c1305c4fb225b/FLAG58fd9c592 [2020-10-27 10:21:57,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/16f1e2437/a63fc64ec58a450e813c1305c4fb225b [2020-10-27 10:21:57,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 10:21:57,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 10:21:57,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 10:21:57,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 10:21:57,691 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 10:21:57,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:21:57" (1/1) ... [2020-10-27 10:21:57,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20770196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:21:57, skipping insertion in model container [2020-10-27 10:21:57,697 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:21:57" (1/1) ... [2020-10-27 10:21:57,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 10:21:57,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 10:21:59,531 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:21:59,595 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 10:22:00,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 10:22:00,330 INFO L208 MainTranslator]: Completed translation [2020-10-27 10:22:00,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:00 WrapperNode [2020-10-27 10:22:00,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 10:22:00,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 10:22:00,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 10:22:00,334 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 10:22:00,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:00" (1/1) ... [2020-10-27 10:22:00,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:00" (1/1) ... [2020-10-27 10:22:00,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:00" (1/1) ... [2020-10-27 10:22:00,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:00" (1/1) ... [2020-10-27 10:22:00,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:00" (1/1) ... [2020-10-27 10:22:00,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:00" (1/1) ... [2020-10-27 10:22:00,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:00" (1/1) ... [2020-10-27 10:22:00,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 10:22:00,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 10:22:00,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 10:22:00,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 10:22:00,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:00" (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 [2020-10-27 10:22:00,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 10:22:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 10:22:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 10:22:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-27 10:22:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-27 10:22:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2020-10-27 10:22:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-27 10:22:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-27 10:22:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-27 10:22:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-27 10:22:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-27 10:22:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-27 10:22:00,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 10:22:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-27 10:22:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-27 10:22:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2020-10-27 10:22:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2020-10-27 10:22:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 10:22:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-27 10:22:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-27 10:22:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-27 10:22:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-27 10:22:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-27 10:22:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-27 10:22:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-27 10:22:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-27 10:22:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-27 10:22:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-27 10:22:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-27 10:22:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2020-10-27 10:22:00,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-27 10:22:00,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-27 10:22:00,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2020-10-27 10:22:00,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2020-10-27 10:22:00,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2020-10-27 10:22:00,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2020-10-27 10:22:00,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_pipe_resources [2020-10-27 10:22:00,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_pipe_resources [2020-10-27 10:22:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_pipe_resources [2020-10-27 10:22:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_logical_pipe_num [2020-10-27 10:22:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_setup_pipe_resources [2020-10-27 10:22:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2020-10-27 10:22:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2020-10-27 10:22:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_start_recv_pipes [2020-10-27 10:22:00,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_recv_complete [2020-10-27 10:22:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_usb_transmit_complete [2020-10-27 10:22:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_io_comp_work [2020-10-27 10:22:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2020-10-27 10:22:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_create [2020-10-27 10:22:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_device_detached [2020-10-27 10:22:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_start [2020-10-27 10:22:00,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2020-10-27 10:22:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_stop [2020-10-27 10:22:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2020-10-27 10:22:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2020-10-27 10:22:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2020-10-27 10:22:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_detach_htc [2020-10-27 10:22:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2020-10-27 10:22:00,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2020-10-27 10:22:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2020-10-27 10:22:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_read32 [2020-10-27 10:22:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2020-10-27 10:22:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2020-10-27 10:22:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_write [2020-10-27 10:22:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2020-10-27 10:22:00,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2020-10-27 10:22:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2020-10-27 10:22:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2020-10-27 10:22:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_suspend [2020-10-27 10:22:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_resume [2020-10-27 10:22:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_probe [2020-10-27 10:22:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2020-10-27 10:22:00,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_pm_suspend [2020-10-27 10:22:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_pm_resume [2020-10-27 10:22:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_pm_reset_resume [2020-10-27 10:22:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_init [2020-10-27 10:22:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_exit [2020-10-27 10:22:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2020-10-27 10:22:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_ath6kl_hif_ops_2 [2020-10-27 10:22:00,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 10:22:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_consume_skb_5 [2020-10-27 10:22:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_6 [2020-10-27 10:22:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_7 [2020-10-27 10:22:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_8 [2020-10-27 10:22:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_skb_11 [2020-10-27 10:22:00,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb_12 [2020-10-27 10:22:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_dequeue_13 [2020-10-27 10:22:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_14 [2020-10-27 10:22:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_15 [2020-10-27 10:22:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_init [2020-10-27 10:22:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-10-27 10:22:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2020-10-27 10:22:00,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_contains [2020-10-27 10:22:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_is_empty [2020-10-27 10:22:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-27 10:22:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2020-10-27 10:22:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2020-10-27 10:22:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2020-10-27 10:22:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2020-10-27 10:22:00,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-27 10:22:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2020-10-27 10:22:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free_int [2020-10-27 10:22:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_alloc_skb [2020-10-27 10:22:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_alloc_skb [2020-10-27 10:22:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_current [2020-10-27 10:22:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-27 10:22:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-27 10:22:00,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-27 10:22:00,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-27 10:22:00,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-27 10:22:00,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-27 10:22:00,749 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-27 10:22:00,749 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-27 10:22:00,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_core_cleanup [2020-10-27 10:22:00,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_core_create [2020-10-27 10:22:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_core_destroy [2020-10-27 10:22:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_core_init [2020-10-27 10:22:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_core_rx_complete [2020-10-27 10:22:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_core_tx_complete [2020-10-27 10:22:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_dbg [2020-10-27 10:22:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_err [2020-10-27 10:22:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_stop_txrx [2020-10-27 10:22:00,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_warn [2020-10-27 10:22:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_scheduled_work [2020-10-27 10:22:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemdup [2020-10-27 10:22:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2020-10-27 10:22:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-27 10:22:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-27 10:22:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-27 10:22:00,751 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-27 10:22:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2020-10-27 10:22:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-27 10:22:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2020-10-27 10:22:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-27 10:22:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-27 10:22:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-27 10:22:00,752 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2020-10-27 10:22:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2020-10-27 10:22:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2020-10-27 10:22:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-27 10:22:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-27 10:22:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2020-10-27 10:22:00,753 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 10:22:00,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-27 10:22:00,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 10:22:00,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-27 10:22:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 10:22:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 10:22:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 10:22:00,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 10:22:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 10:22:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 10:22:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-27 10:22:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-27 10:22:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 10:22:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-27 10:22:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-27 10:22:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 10:22:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-27 10:22:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2020-10-27 10:22:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-27 10:22:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure kmemdup [2020-10-27 10:22:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-27 10:22:00,756 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-27 10:22:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-27 10:22:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-27 10:22:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-27 10:22:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-27 10:22:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-27 10:22:00,757 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-27 10:22:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-27 10:22:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure flush_scheduled_work [2020-10-27 10:22:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-27 10:22:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-27 10:22:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 10:22:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-27 10:22:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-27 10:22:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-27 10:22:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-27 10:22:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 10:22:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-27 10:22:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-27 10:22:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_6 [2020-10-27 10:22:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_7 [2020-10-27 10:22:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_8 [2020-10-27 10:22:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_skb_11 [2020-10-27 10:22:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_consume_skb_5 [2020-10-27 10:22:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2020-10-27 10:22:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 10:22:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2020-10-27 10:22:00,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 10:22:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2020-10-27 10:22:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_dequeue_13 [2020-10-27 10:22:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-27 10:22:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb_12 [2020-10-27 10:22:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2020-10-27 10:22:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2020-10-27 10:22:00,761 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 10:22:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 10:22:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 10:22:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2020-10-27 10:22:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2020-10-27 10:22:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2020-10-27 10:22:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-27 10:22:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 10:22:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 10:22:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 10:22:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-27 10:22:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-27 10:22:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-27 10:22:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-27 10:22:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-27 10:22:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2020-10-27 10:22:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_ath6kl_hif_ops_2 [2020-10-27 10:22:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-27 10:22:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-27 10:22:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-27 10:22:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-27 10:22:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2020-10-27 10:22:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2020-10-27 10:22:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-27 10:22:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_14 [2020-10-27 10:22:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-27 10:22:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_15 [2020-10-27 10:22:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2020-10-27 10:22:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-27 10:22:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-27 10:22:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-27 10:22:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-27 10:22:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-27 10:22:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2020-10-27 10:22:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2020-10-27 10:22:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2020-10-27 10:22:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-27 10:22:00,766 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-27 10:22:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 10:22:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_stop_txrx [2020-10-27 10:22:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_core_tx_complete [2020-10-27 10:22:00,767 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_core_rx_complete [2020-10-27 10:22:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_core_create [2020-10-27 10:22:00,825 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_core_init [2020-10-27 10:22:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_core_cleanup [2020-10-27 10:22:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_core_destroy [2020-10-27 10:22:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_err [2020-10-27 10:22:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_warn [2020-10-27 10:22:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_dbg [2020-10-27 10:22:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_recv_complete [2020-10-27 10:22:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2020-10-27 10:22:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2020-10-27 10:22:00,826 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2020-10-27 10:22:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2020-10-27 10:22:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_pipe_resources [2020-10-27 10:22:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_pipe_resources [2020-10-27 10:22:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_pipe_resources [2020-10-27 10:22:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_logical_pipe_num [2020-10-27 10:22:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_setup_pipe_resources [2020-10-27 10:22:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2020-10-27 10:22:00,827 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2020-10-27 10:22:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_start_recv_pipes [2020-10-27 10:22:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_usb_transmit_complete [2020-10-27 10:22:00,828 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_io_comp_work [2020-10-27 10:22:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2020-10-27 10:22:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_create [2020-10-27 10:22:00,830 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_device_detached [2020-10-27 10:22:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure hif_start [2020-10-27 10:22:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2020-10-27 10:22:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure hif_stop [2020-10-27 10:22:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2020-10-27 10:22:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2020-10-27 10:22:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2020-10-27 10:22:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure hif_detach_htc [2020-10-27 10:22:00,831 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2020-10-27 10:22:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-27 10:22:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2020-10-27 10:22:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-27 10:22:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2020-10-27 10:22:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_read32 [2020-10-27 10:22:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2020-10-27 10:22:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2020-10-27 10:22:00,832 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_write [2020-10-27 10:22:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2020-10-27 10:22:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2020-10-27 10:22:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2020-10-27 10:22:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2020-10-27 10:22:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_suspend [2020-10-27 10:22:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_resume [2020-10-27 10:22:00,833 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_probe [2020-10-27 10:22:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2020-10-27 10:22:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_pm_suspend [2020-10-27 10:22:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_pm_resume [2020-10-27 10:22:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_pm_reset_resume [2020-10-27 10:22:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_init [2020-10-27 10:22:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_exit [2020-10-27 10:22:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-27 10:22:00,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-27 10:22:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2020-10-27 10:22:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 10:22:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_init [2020-10-27 10:22:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-10-27 10:22:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2020-10-27 10:22:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_contains [2020-10-27 10:22:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_is_empty [2020-10-27 10:22:00,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-27 10:22:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2020-10-27 10:22:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2020-10-27 10:22:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2020-10-27 10:22:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free_int [2020-10-27 10:22:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_alloc_skb [2020-10-27 10:22:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_alloc_skb [2020-10-27 10:22:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_current [2020-10-27 10:22:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 10:22:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 10:22:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 10:22:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 10:22:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 10:22:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-27 10:22:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 10:22:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-27 10:22:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-27 10:22:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-27 10:22:02,424 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-27 10:22:09,243 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 10:22:09,244 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 10:22:09,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:22:09 BoogieIcfgContainer [2020-10-27 10:22:09,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 10:22:09,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 10:22:09,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 10:22:09,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 10:22:09,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:21:57" (1/3) ... [2020-10-27 10:22:09,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a70f3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:22:09, skipping insertion in model container [2020-10-27 10:22:09,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:22:00" (2/3) ... [2020-10-27 10:22:09,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a70f3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:22:09, skipping insertion in model container [2020-10-27 10:22:09,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:22:09" (3/3) ... [2020-10-27 10:22:09,263 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2020-10-27 10:22:09,276 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 10:22:09,285 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 10:22:09,299 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 10:22:09,351 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 10:22:09,351 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 10:22:09,351 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 10:22:09,352 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 10:22:09,352 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 10:22:09,352 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 10:22:09,352 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 10:22:09,352 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 10:22:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states. [2020-10-27 10:22:09,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 10:22:09,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:22:09,433 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:22:09,434 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:22:09,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:22:09,441 INFO L82 PathProgramCache]: Analyzing trace with hash -924435744, now seen corresponding path program 1 times [2020-10-27 10:22:09,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:22:09,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983238421] [2020-10-27 10:22:09,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:22:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:10,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:10,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:10,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:15,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:15,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-27 10:22:15,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 10:22:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5279 [2020-10-27 10:22:15,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:15,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:22:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-27 10:22:15,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 10:22:15,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 10:22:18,233 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 469 [2020-10-27 10:22:18,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:22:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:18,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:18,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:18,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:18,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:18,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-27 10:22:18,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:18,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:18,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:22:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:18,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:18,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:18,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:18,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:18,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 10:22:18,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:18,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:18,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:18,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:18,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:22:18,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:22:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:18,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:18,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:18,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:18,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:18,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 10:22:18,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:18,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:18,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:18,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:18,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:18,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:22:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:18,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:18,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:18,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:18,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:18,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 10:22:18,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:18,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:18,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:22:18,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:22:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:18,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:18,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:18,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:18,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:18,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 10:22:18,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:18,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:18,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:18,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:18,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:22:18,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:22:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:18,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:18,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:18,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:18,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:18,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 10:22:18,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:18,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:18,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:22:18,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:22:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:18,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:18,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:18,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:18,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:18,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 10:22:18,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:18,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:18,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:18,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 10:22:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:18,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:18,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:18,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:18,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:18,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 10:22:18,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:18,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:22:18,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 10:22:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:18,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:18,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:18,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:18,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:18,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 10:22:18,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:18,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:18,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:18,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:18,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 10:22:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:19,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:19,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 10:22:19,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:19,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:19,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:19,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:22:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:19,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:19,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 10:22:19,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:19,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:19,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:19,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 10:22:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:19,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 10:22:19,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:19,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:19,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:22:19,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 10:22:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:22:19,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 10:22:19,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:19,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:19,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:22:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:19,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:19,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:22:19,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:19,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 10:22:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:19,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:19,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 10:22:19,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:22:19,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:22:19,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:22:19,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-27 10:22:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:22:19,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:22:19,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 10:22:19,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 10:22:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:22:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:22:19,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-27 10:22:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 10:22:19,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:19,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 10:22:19,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 10:22:19,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:19,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:22:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:22:19,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:19,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:22:19,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:19,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:19,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:19,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:22:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:19,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:19,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:22:19,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:22:19,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:19,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 10:22:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:22:19,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:22:19,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:22:19,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:22:19,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:22:19,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 10:22:19,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:22:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:22:19,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:22:19,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:22:19,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:22:19,643 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2020-10-27 10:22:19,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983238421] [2020-10-27 10:22:19,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 10:22:19,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 10:22:19,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405637392] [2020-10-27 10:22:19,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 10:22:19,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:22:19,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 10:22:19,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-27 10:22:19,669 INFO L87 Difference]: Start difference. First operand 1028 states. Second operand 9 states. [2020-10-27 10:22:27,384 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification that was a NOOP. DAG size: 472 [2020-10-27 10:22:30,377 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 474 [2020-10-27 10:23:05,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:23:05,414 INFO L93 Difference]: Finished difference Result 2184 states and 3031 transitions. [2020-10-27 10:23:05,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 10:23:05,417 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-10-27 10:23:05,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:23:05,445 INFO L225 Difference]: With dead ends: 2184 [2020-10-27 10:23:05,445 INFO L226 Difference]: Without dead ends: 1223 [2020-10-27 10:23:05,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2020-10-27 10:23:05,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-10-27 10:23:05,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 939. [2020-10-27 10:23:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 939 states. [2020-10-27 10:23:05,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1213 transitions. [2020-10-27 10:23:05,897 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1213 transitions. Word has length 122 [2020-10-27 10:23:05,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:23:05,898 INFO L481 AbstractCegarLoop]: Abstraction has 939 states and 1213 transitions. [2020-10-27 10:23:05,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 10:23:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1213 transitions. [2020-10-27 10:23:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-27 10:23:05,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:23:05,920 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:23:05,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 10:23:05,921 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:23:05,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:23:05,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1109418300, now seen corresponding path program 1 times [2020-10-27 10:23:05,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:23:05,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023099583] [2020-10-27 10:23:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:23:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:06,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:06,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:06,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:11,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:11,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-10-27 10:23:11,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 10:23:11,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 10:23:11,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:23:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-27 10:23:11,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 10:23:11,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,056 WARN L193 SmtUtils]: Spent 2.86 s on a formula simplification that was a NOOP. DAG size: 469 [2020-10-27 10:23:14,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:23:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:14,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-27 10:23:14,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:23:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:23:14,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:23:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:23:14,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:23:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:23:14,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:23:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:23:14,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:23:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:23:14,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:23:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:23:14,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 10:23:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:23:14,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 10:23:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:23:14,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 10:23:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 10:23:14,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:23:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:23:14,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 10:23:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:23:14,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:23:14,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 10:23:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:23:14,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:23:14,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:23:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:14,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:23:14,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:14,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:14,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:14,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 10:23:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 10:23:14,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:14,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 10:23:14,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:23:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:23:14,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 10:23:14,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:14,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 10:23:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:14,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:14,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:14,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 10:23:14,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:23:14,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 10:23:14,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:14,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 10:23:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:23:14,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 10:23:14,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:15,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 10:23:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:15,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:15,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:15,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 10:23:15,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:15,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 10:23:15,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:15,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:15,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 10:23:15,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:15,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:15,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:23:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:15,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:15,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:15,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:23:15,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:15,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:23:15,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:15,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:15,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:15,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:23:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:15,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:15,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:15,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:15,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:15,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:23:15,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:23:15,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:15,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:15,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 10:23:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:15,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:15,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:23:15,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:23:15,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:23:15,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:23:15,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:23:15,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:23:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:23:15,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:23:15,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:23:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-10-27 10:23:15,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023099583] [2020-10-27 10:23:15,202 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 10:23:15,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 10:23:15,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035859260] [2020-10-27 10:23:15,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 10:23:15,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:23:15,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 10:23:15,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-27 10:23:15,206 INFO L87 Difference]: Start difference. First operand 939 states and 1213 transitions. Second operand 10 states. [2020-10-27 10:23:23,169 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 472 [2020-10-27 10:23:58,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:23:58,933 INFO L93 Difference]: Finished difference Result 2129 states and 2850 transitions. [2020-10-27 10:23:58,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 10:23:58,935 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 124 [2020-10-27 10:23:58,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:23:58,947 INFO L225 Difference]: With dead ends: 2129 [2020-10-27 10:23:58,947 INFO L226 Difference]: Without dead ends: 1224 [2020-10-27 10:23:58,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2020-10-27 10:23:58,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2020-10-27 10:23:59,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 940. [2020-10-27 10:23:59,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 940 states. [2020-10-27 10:23:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1214 transitions. [2020-10-27 10:23:59,282 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1214 transitions. Word has length 124 [2020-10-27 10:23:59,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:23:59,284 INFO L481 AbstractCegarLoop]: Abstraction has 940 states and 1214 transitions. [2020-10-27 10:23:59,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 10:23:59,284 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1214 transitions. [2020-10-27 10:23:59,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-27 10:23:59,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:23:59,291 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:23:59,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 10:23:59,292 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:23:59,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:23:59,292 INFO L82 PathProgramCache]: Analyzing trace with hash 965394336, now seen corresponding path program 2 times [2020-10-27 10:23:59,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:23:59,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145801251] [2020-10-27 10:23:59,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:23:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:23:59,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:59,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:23:59,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:04,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:04,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 176 [2020-10-27 10:24:04,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 10:24:04,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5089 [2020-10-27 10:24:04,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:04,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:24:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-27 10:24:04,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 10:24:04,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:07,648 WARN L193 SmtUtils]: Spent 3.06 s on a formula simplification that was a NOOP. DAG size: 469 [2020-10-27 10:24:07,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:07,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:07,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:07,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:07,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-27 10:24:07,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:07,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:07,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:07,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:24:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:07,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:07,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:07,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:07,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:24:07,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:07,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:07,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:07,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:07,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:07,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:24:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:07,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:07,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:07,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:07,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:24:07,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:07,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:07,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:07,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:07,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:07,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:24:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:07,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:07,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:07,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:07,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:24:07,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:07,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:07,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:07,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:07,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:07,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:24:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:07,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:07,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:07,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:07,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:24:07,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:07,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:07,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:07,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:24:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:07,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:07,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:07,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:07,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:07,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:24:07,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:07,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:07,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:07,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:24:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:08,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:24:08,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 10:24:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:08,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:24:08,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 10:24:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:08,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 10:24:08,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 10:24:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:08,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 10:24:08,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:24:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:08,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:24:08,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 10:24:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:24:08,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 10:24:08,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 10:24:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:24:08,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:24:08,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:24:08,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 10:24:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:24:08,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 10:24:08,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:24:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:24:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 10:24:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 10:24:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 10:24:08,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:24:08,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 10:24:08,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:24:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:24:08,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 10:24:08,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 10:24:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 10:24:08,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 10:24:08,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 10:24:08,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:24:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:24:08,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 10:24:08,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:24:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:24:08,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:24:08,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-27 10:24:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:08,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:08,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:08,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:24:08,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:24:08,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 10:24:08,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:08,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:24:08,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:24:08,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:24:08,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:24:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-10-27 10:24:08,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145801251] [2020-10-27 10:24:08,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 10:24:08,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 10:24:08,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103728829] [2020-10-27 10:24:08,827 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 10:24:08,827 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:24:08,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 10:24:08,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-27 10:24:08,828 INFO L87 Difference]: Start difference. First operand 940 states and 1214 transitions. Second operand 11 states. [2020-10-27 10:24:17,061 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 472 [2020-10-27 10:24:51,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:24:51,700 INFO L93 Difference]: Finished difference Result 2131 states and 2852 transitions. [2020-10-27 10:24:51,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 10:24:51,701 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2020-10-27 10:24:51,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:24:51,711 INFO L225 Difference]: With dead ends: 2131 [2020-10-27 10:24:51,711 INFO L226 Difference]: Without dead ends: 1225 [2020-10-27 10:24:51,715 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-10-27 10:24:51,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2020-10-27 10:24:51,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 941. [2020-10-27 10:24:51,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 941 states. [2020-10-27 10:24:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1215 transitions. [2020-10-27 10:24:51,930 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1215 transitions. Word has length 126 [2020-10-27 10:24:51,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:24:51,931 INFO L481 AbstractCegarLoop]: Abstraction has 941 states and 1215 transitions. [2020-10-27 10:24:51,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 10:24:51,931 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1215 transitions. [2020-10-27 10:24:51,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-27 10:24:51,934 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:24:51,934 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:24:51,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 10:24:51,935 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:24:51,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:24:51,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2032487804, now seen corresponding path program 3 times [2020-10-27 10:24:51,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:24:51,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [504209158] [2020-10-27 10:24:51,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:24:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:24:52,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:52,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:52,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:24:57,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:24:57,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-27 10:24:57,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 10:24:57,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5098 [2020-10-27 10:24:57,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:24:57,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 10:24:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-27 10:24:57,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 10:24:57,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,180 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 469 [2020-10-27 10:25:00,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:25:00,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:25:00,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-27 10:25:00,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 10:25:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:00,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 10:25:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:25:00,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 10:25:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:00,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 10:25:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 10:25:00,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 10:25:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:00,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 10:25:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:00,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 10:25:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:00,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-27 10:25:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:25:00,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-27 10:25:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:00,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-27 10:25:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:00,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 10:25:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 10:25:00,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:25:00,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 10:25:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 10:25:00,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:00,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:25:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:25:00,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 10:25:00,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:00,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:00,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:00,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 10:25:00,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-27 10:25:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:00,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 10:25:00,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 10:25:00,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 10:25:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:25:00,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 10:25:00,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:00,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 10:25:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:00,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:00,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:01,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:01,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 10:25:01,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:25:01,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 10:25:01,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 10:25:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 10:25:01,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 10:25:01,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 10:25:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:01,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:01,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:01,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-27 10:25:01,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:01,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 10:25:01,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 10:25:01,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:01,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:01,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 10:25:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:01,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:01,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:01,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 10:25:01,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:01,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:01,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:01,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:01,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:01,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:01,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:01,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 10:25:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:01,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:01,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:01,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:25:01,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:01,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 10:25:01,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:01,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:01,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 10:25:01,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:01,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:01,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 10:25:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:01,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:01,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:01,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 10:25:01,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 10:25:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 10:25:01,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:01,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 10:25:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 10:25:01,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 10:25:01,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 10:25:01,235 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2020-10-27 10:25:01,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [504209158] [2020-10-27 10:25:01,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 10:25:01,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 10:25:01,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016713487] [2020-10-27 10:25:01,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 10:25:01,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 10:25:01,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 10:25:01,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 10:25:01,238 INFO L87 Difference]: Start difference. First operand 941 states and 1215 transitions. Second operand 13 states. [2020-10-27 10:25:09,021 WARN L193 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 472 [2020-10-27 10:25:41,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 10:25:41,656 INFO L93 Difference]: Finished difference Result 2133 states and 2854 transitions. [2020-10-27 10:25:41,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 10:25:41,658 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 128 [2020-10-27 10:25:41,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 10:25:41,668 INFO L225 Difference]: With dead ends: 2133 [2020-10-27 10:25:41,668 INFO L226 Difference]: Without dead ends: 1226 [2020-10-27 10:25:41,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2020-10-27 10:25:41,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2020-10-27 10:25:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 942. [2020-10-27 10:25:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2020-10-27 10:25:41,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1216 transitions. [2020-10-27 10:25:41,976 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1216 transitions. Word has length 128 [2020-10-27 10:25:41,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 10:25:41,977 INFO L481 AbstractCegarLoop]: Abstraction has 942 states and 1216 transitions. [2020-10-27 10:25:41,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 10:25:41,978 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1216 transitions. [2020-10-27 10:25:41,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-10-27 10:25:41,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 10:25:41,981 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 10:25:41,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 10:25:41,981 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 10:25:41,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 10:25:41,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1388116896, now seen corresponding path program 4 times [2020-10-27 10:25:41,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 10:25:41,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180471865] [2020-10-27 10:25:41,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 10:25:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 10:25:42,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:42,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 10:25:44,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 10:25:44,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-27 10:25:44,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 10:25:44,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2333 [2020-10-27 10:25:44,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 10:25:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 10:25:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 10:25:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-10-27 10:25:44,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0