/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=DEEPEST --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-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 05:10:43,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 05:10:43,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 05:10:43,709 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 05:10:43,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 05:10:43,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 05:10:43,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 05:10:43,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 05:10:43,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 05:10:43,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 05:10:43,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 05:10:43,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 05:10:43,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 05:10:43,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 05:10:43,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 05:10:43,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 05:10:43,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 05:10:43,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 05:10:43,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 05:10:43,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 05:10:43,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 05:10:43,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 05:10:43,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 05:10:43,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 05:10:43,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 05:10:43,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 05:10:43,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 05:10:43,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 05:10:43,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 05:10:43,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 05:10:43,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 05:10:43,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 05:10:43,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 05:10:43,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 05:10:43,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 05:10:43,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 05:10:43,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 05:10:43,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 05:10:43,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 05:10:43,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 05:10:43,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 05:10:43,803 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 [2020-10-28 05:10:43,858 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 05:10:43,858 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 05:10:43,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 05:10:43,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 05:10:43,860 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 05:10:43,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 05:10:43,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 05:10:43,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 05:10:43,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 05:10:43,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 05:10:43,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 05:10:43,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 05:10:43,862 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 05:10:43,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 05:10:43,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 05:10:43,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 05:10:43,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 05:10:43,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 05:10:43,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 05:10:43,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 05:10:43,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 05:10:43,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 05:10:43,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 05:10:43,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 05:10:43,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 05:10:43,866 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 05:10:43,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 05:10:43,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 05:10:44,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 05:10:44,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 05:10:44,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 05:10:44,329 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 05:10:44,330 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 05:10:44,331 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2020-10-28 05:10:44,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c167f141f/0c141ab9c59f485ab1cb2fe8c170be1e/FLAGd1d2f913a [2020-10-28 05:10:45,360 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 05:10:45,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2020-10-28 05:10:45,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c167f141f/0c141ab9c59f485ab1cb2fe8c170be1e/FLAGd1d2f913a [2020-10-28 05:10:45,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c167f141f/0c141ab9c59f485ab1cb2fe8c170be1e [2020-10-28 05:10:45,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 05:10:45,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 05:10:45,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 05:10:45,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 05:10:45,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 05:10:45,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:10:45" (1/1) ... [2020-10-28 05:10:45,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed454d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:45, skipping insertion in model container [2020-10-28 05:10:45,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 05:10:45" (1/1) ... [2020-10-28 05:10:45,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 05:10:46,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 05:10:46,544 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2020-10-28 05:10:46,545 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2020-10-28 05:10:47,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 05:10:47,196 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 05:10:47,293 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2715] [2020-10-28 05:10:47,293 WARN L1207 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2716-2717] [2020-10-28 05:10:47,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 05:10:47,671 INFO L208 MainTranslator]: Completed translation [2020-10-28 05:10:47,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:47 WrapperNode [2020-10-28 05:10:47,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 05:10:47,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 05:10:47,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 05:10:47,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 05:10:47,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:47" (1/1) ... [2020-10-28 05:10:47,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:47" (1/1) ... [2020-10-28 05:10:47,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:47" (1/1) ... [2020-10-28 05:10:47,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:47" (1/1) ... [2020-10-28 05:10:47,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:47" (1/1) ... [2020-10-28 05:10:47,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:47" (1/1) ... [2020-10-28 05:10:47,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:47" (1/1) ... [2020-10-28 05:10:48,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 05:10:48,007 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 05:10:48,007 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 05:10:48,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 05:10:48,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:47" (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 [2020-10-28 05:10:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 05:10:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 05:10:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-10-28 05:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 05:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 05:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 05:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 05:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 05:10:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 05:10:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 05:10:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 05:10:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 05:10:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 05:10:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-10-28 05:10:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 05:10:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 05:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-10-28 05:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-10-28 05:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-10-28 05:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-10-28 05:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2020-10-28 05:10:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2020-10-28 05:10:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2020-10-28 05:10:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2020-10-28 05:10:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2020-10-28 05:10:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2020-10-28 05:10:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2020-10-28 05:10:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_platform_init [2020-10-28 05:10:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_enable [2020-10-28 05:10:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2020-10-28 05:10:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_add_len_crc [2020-10-28 05:10:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove_len_crc [2020-10-28 05:10:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_write [2020-10-28 05:10:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure get_frame_size [2020-10-28 05:10:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure check_crc [2020-10-28 05:10:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_repack [2020-10-28 05:10:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_read [2020-10-28 05:10:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2020-10-28 05:10:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_of_request_resources [2020-10-28 05:10:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_request_resources [2020-10-28 05:10:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_probe [2020-10-28 05:10:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_remove [2020-10-28 05:10:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_init [2020-10-28 05:10:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_exit [2020-10-28 05:10:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2020-10-28 05:10:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2020-10-28 05:10:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2020-10-28 05:10:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-28 05:10:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-28 05:10:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-28 05:10:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-28 05:10:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2020-10-28 05:10:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-28 05:10:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_3 [2020-10-28 05:10:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2020-10-28 05:10:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 05:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_19 [2020-10-28 05:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-28 05:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_23 [2020-10-28 05:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_25 [2020-10-28 05:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_27 [2020-10-28 05:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-28 05:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-28 05:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_30 [2020-10-28 05:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-28 05:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_32 [2020-10-28 05:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_33 [2020-10-28 05:10:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-28 05:10:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 05:10:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-28 05:10:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-28 05:10:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-28 05:10:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-28 05:10:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2020-10-28 05:10:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-28 05:10:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-28 05:10:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 05:10:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-28 05:10:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2020-10-28 05:10:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 05:10:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2020-10-28 05:10:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2020-10-28 05:10:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-10-28 05:10:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2020-10-28 05:10:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_input [2020-10-28 05:10:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_output_raw [2020-10-28 05:10:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2020-10-28 05:10:48,129 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-10-28 05:10:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2020-10-28 05:10:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2020-10-28 05:10:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-10-28 05:10:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-28 05:10:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-28 05:10:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 05:10:48,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2020-10-28 05:10:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2020-10-28 05:10:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 05:10:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-28 05:10:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-28 05:10:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 05:10:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 05:10:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2020-10-28 05:10:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2020-10-28 05:10:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 05:10:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-28 05:10:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-28 05:10:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-28 05:10:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 05:10:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 05:10:48,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 05:10:48,134 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-28 05:10:48,134 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_probe [2020-10-28 05:10:48,135 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove [2020-10-28 05:10:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2020-10-28 05:10:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 05:10:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 05:10:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 05:10:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 05:10:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 05:10:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 05:10:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 05:10:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 05:10:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 05:10:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 05:10:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 05:10:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 05:10:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-28 05:10:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-28 05:10:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2020-10-28 05:10:48,140 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 05:10:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 05:10:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 05:10:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 05:10:48,143 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-28 05:10:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-28 05:10:48,144 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 05:10:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 05:10:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 05:10:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 05:10:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 05:10:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 05:10:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 05:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 05:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 05:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 05:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 05:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 05:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 05:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 05:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2020-10-28 05:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2020-10-28 05:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2020-10-28 05:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-28 05:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-28 05:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-28 05:10:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-28 05:10:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2020-10-28 05:10:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-28 05:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_3 [2020-10-28 05:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2020-10-28 05:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2020-10-28 05:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2020-10-28 05:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-10-28 05:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 05:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 05:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 05:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 05:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 05:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2020-10-28 05:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2020-10-28 05:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-10-28 05:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-10-28 05:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-10-28 05:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-10-28 05:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-10-28 05:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-10-28 05:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-10-28 05:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2020-10-28 05:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_output_raw [2020-10-28 05:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2020-10-28 05:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2020-10-28 05:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2020-10-28 05:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2020-10-28 05:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2020-10-28 05:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2020-10-28 05:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2020-10-28 05:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2020-10-28 05:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2020-10-28 05:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-10-28 05:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_19 [2020-10-28 05:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_33 [2020-10-28 05:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-28 05:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2020-10-28 05:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-28 05:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2020-10-28 05:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2020-10-28 05:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-28 05:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-28 05:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_25 [2020-10-28 05:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-28 05:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_27 [2020-10-28 05:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-28 05:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_23 [2020-10-28 05:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-28 05:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_32 [2020-10-28 05:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 05:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 05:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 05:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-28 05:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-28 05:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-28 05:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-28 05:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_30 [2020-10-28 05:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2020-10-28 05:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_probe [2020-10-28 05:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove [2020-10-28 05:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_platform_init [2020-10-28 05:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 05:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 05:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 05:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_enable [2020-10-28 05:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2020-10-28 05:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_add_len_crc [2020-10-28 05:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove_len_crc [2020-10-28 05:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_write [2020-10-28 05:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure get_frame_size [2020-10-28 05:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure check_crc [2020-10-28 05:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_repack [2020-10-28 05:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 05:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_read [2020-10-28 05:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 05:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2020-10-28 05:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_of_request_resources [2020-10-28 05:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_request_resources [2020-10-28 05:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_probe [2020-10-28 05:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_remove [2020-10-28 05:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_init [2020-10-28 05:10:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_exit [2020-10-28 05:10:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2020-10-28 05:10:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 05:10:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 05:10:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2020-10-28 05:10:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 05:10:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-28 05:10:48,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 05:10:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-28 05:10:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-28 05:10:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-28 05:10:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-28 05:10:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-28 05:10:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 05:10:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 05:10:48,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 05:10:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 05:10:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 05:10:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 05:10:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 05:10:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 05:10:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 05:10:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 05:10:49,602 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 05:10:57,799 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 05:10:57,799 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 05:10:57,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:10:57 BoogieIcfgContainer [2020-10-28 05:10:57,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 05:10:57,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 05:10:57,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 05:10:57,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 05:10:57,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 05:10:45" (1/3) ... [2020-10-28 05:10:57,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de9607f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:10:57, skipping insertion in model container [2020-10-28 05:10:57,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 05:10:47" (2/3) ... [2020-10-28 05:10:57,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7de9607f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 05:10:57, skipping insertion in model container [2020-10-28 05:10:57,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 05:10:57" (3/3) ... [2020-10-28 05:10:57,818 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--nfc--st21nfca--st21nfca_i2c.ko-entry_point.cil.out.i [2020-10-28 05:10:57,833 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 05:10:57,843 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 05:10:57,864 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 05:10:57,921 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 05:10:57,921 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 05:10:57,921 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 05:10:57,921 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 05:10:57,921 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 05:10:57,922 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 05:10:57,922 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 05:10:57,922 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 05:10:57,979 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states. [2020-10-28 05:10:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 05:10:58,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:10:58,012 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:10:58,012 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:10:58,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:10:58,021 INFO L82 PathProgramCache]: Analyzing trace with hash 735387801, now seen corresponding path program 1 times [2020-10-28 05:10:58,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:10:58,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751286820] [2020-10-28 05:10:58,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:10:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:10:58,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:00,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:00,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:03,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:03,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-28 05:11:03,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 05:11:03,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5281 [2020-10-28 05:11:03,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 05:11:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-10-28 05:11:03,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:11:03,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 05:11:08,941 WARN L193 SmtUtils]: Spent 4.71 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-28 05:11:08,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:11:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:08,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:09,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:09,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:11:09,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 317 [2020-10-28 05:11:09,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:09,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:09,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:09,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:11:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:09,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:09,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:09,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:09,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 05:11:09,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:09,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:09,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:09,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:11:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:09,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:09,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:09,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:09,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:09,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 05:11:09,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:09,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:09,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:09,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:11:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:09,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:09,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:09,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:09,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:09,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:11:09,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:09,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:09,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:09,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:09,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:09,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 05:11:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:09,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:09,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:09,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:09,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:09,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:11:09,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:09,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:09,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:09,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:09,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 05:11:09,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 05:11:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:09,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:09,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:09,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:09,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:11:09,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:09,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:09,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 05:11:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:09,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:09,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:09,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:11:09,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:09,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:11:09,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:09,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 05:11:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:09,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:09,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:09,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:11:09,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:09,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:11:09,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:09,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 05:11:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:09,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:09,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:09,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:09,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:09,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 05:11:09,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:11:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:09,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:11:09,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-28 05:11:09,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751286820] [2020-10-28 05:11:09,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:11:09,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 05:11:09,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853984326] [2020-10-28 05:11:09,747 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 05:11:09,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:11:09,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 05:11:09,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 05:11:09,765 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 8 states. [2020-10-28 05:11:37,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:11:37,327 INFO L93 Difference]: Finished difference Result 1608 states and 2183 transitions. [2020-10-28 05:11:37,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 05:11:37,330 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-10-28 05:11:37,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:11:37,356 INFO L225 Difference]: With dead ends: 1608 [2020-10-28 05:11:37,356 INFO L226 Difference]: Without dead ends: 867 [2020-10-28 05:11:37,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 05:11:37,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2020-10-28 05:11:37,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 689. [2020-10-28 05:11:37,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-28 05:11:37,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 879 transitions. [2020-10-28 05:11:37,770 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 879 transitions. Word has length 88 [2020-10-28 05:11:37,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:11:37,771 INFO L481 AbstractCegarLoop]: Abstraction has 689 states and 879 transitions. [2020-10-28 05:11:37,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 05:11:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 879 transitions. [2020-10-28 05:11:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-28 05:11:37,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:11:37,781 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:11:37,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 05:11:37,782 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:11:37,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:11:37,782 INFO L82 PathProgramCache]: Analyzing trace with hash 785514756, now seen corresponding path program 1 times [2020-10-28 05:11:37,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:11:37,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1892474441] [2020-10-28 05:11:37,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:11:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:38,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:39,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:39,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:40,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:40,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:43,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:43,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-28 05:11:43,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 05:11:43,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5519 [2020-10-28 05:11:43,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 05:11:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 113 [2020-10-28 05:11:43,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 05:11:43,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,167 WARN L193 SmtUtils]: Spent 4.56 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-28 05:11:48,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:11:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:11:48,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:48,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-28 05:11:48,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:48,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:48,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:48,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:11:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:48,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:48,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:11:48,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:48,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:48,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:48,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:11:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:48,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:48,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:11:48,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:48,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:48,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:11:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:48,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:48,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:11:48,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:48,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:48,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:48,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 05:11:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:48,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:48,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:11:48,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:48,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 05:11:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:11:48,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:48,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:11:48,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:48,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:48,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:48,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 05:11:48,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:11:48,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:48,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:11:48,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:48,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:48,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:48,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 05:11:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:11:48,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:48,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:11:48,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:48,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:48,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:48,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 05:11:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 05:11:48,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 05:11:48,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-28 05:11:48,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:11:48,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 05:11:48,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 05:11:48,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:11:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:11:48,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:48,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:11:48,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:11:48,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:11:48,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:11:48,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 05:11:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:11:48,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:11:48,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:11:48,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:11:48,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:11:48,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:11:48,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:11:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:11:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:11:48,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:11:48,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:11:48,855 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-28 05:11:48,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1892474441] [2020-10-28 05:11:48,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:11:48,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 05:11:48,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571729662] [2020-10-28 05:11:48,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 05:11:48,858 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:11:48,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 05:11:48,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 05:11:48,859 INFO L87 Difference]: Start difference. First operand 689 states and 879 transitions. Second operand 10 states. [2020-10-28 05:12:16,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:12:16,347 INFO L93 Difference]: Finished difference Result 1566 states and 2071 transitions. [2020-10-28 05:12:16,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 05:12:16,349 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-10-28 05:12:16,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:12:16,360 INFO L225 Difference]: With dead ends: 1566 [2020-10-28 05:12:16,360 INFO L226 Difference]: Without dead ends: 897 [2020-10-28 05:12:16,363 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-28 05:12:16,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2020-10-28 05:12:16,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 691. [2020-10-28 05:12:16,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2020-10-28 05:12:16,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 881 transitions. [2020-10-28 05:12:16,619 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 881 transitions. Word has length 99 [2020-10-28 05:12:16,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:12:16,623 INFO L481 AbstractCegarLoop]: Abstraction has 691 states and 881 transitions. [2020-10-28 05:12:16,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 05:12:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 881 transitions. [2020-10-28 05:12:16,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 05:12:16,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:12:16,632 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:12:16,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 05:12:16,632 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:12:16,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:12:16,633 INFO L82 PathProgramCache]: Analyzing trace with hash 728154356, now seen corresponding path program 1 times [2020-10-28 05:12:16,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:12:16,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174854230] [2020-10-28 05:12:16,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:12:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:16,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:16,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:18,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:21,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:21,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:22,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:22,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 05:12:22,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 05:12:22,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5477 [2020-10-28 05:12:22,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 05:12:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 05:12:22,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 05:12:22,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:26,871 WARN L193 SmtUtils]: Spent 4.46 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-28 05:12:26,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:12:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:26,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:12:27,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-10-28 05:12:27,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:12:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:12:27,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:12:27,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:12:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:12:27,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:12:27,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:12:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:12:27,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:12:27,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 05:12:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:12:27,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:12:27,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 05:12:27,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:12:27,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:12:27,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 05:12:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:12:27,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:12:27,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 05:12:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:12:27,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:12:27,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 05:12:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 05:12:27,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-28 05:12:27,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 05:12:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 05:12:27,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:12:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:12:27,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:12:27,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 05:12:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:12:27,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:12:27,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 05:12:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:27,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:27,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:12:27,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:12:27,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:12:27,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:12:27,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:12:27,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:12:27,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:12:27,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:12:27,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:12:27,463 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-28 05:12:27,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174854230] [2020-10-28 05:12:27,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:12:27,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 05:12:27,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583609183] [2020-10-28 05:12:27,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 05:12:27,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:12:27,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 05:12:27,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 05:12:27,466 INFO L87 Difference]: Start difference. First operand 691 states and 881 transitions. Second operand 9 states. [2020-10-28 05:12:55,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:12:55,098 INFO L93 Difference]: Finished difference Result 1554 states and 2046 transitions. [2020-10-28 05:12:55,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 05:12:55,100 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 104 [2020-10-28 05:12:55,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:12:55,107 INFO L225 Difference]: With dead ends: 1554 [2020-10-28 05:12:55,108 INFO L226 Difference]: Without dead ends: 883 [2020-10-28 05:12:55,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-28 05:12:55,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-28 05:12:55,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 699. [2020-10-28 05:12:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-10-28 05:12:55,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 890 transitions. [2020-10-28 05:12:55,395 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 890 transitions. Word has length 104 [2020-10-28 05:12:55,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:12:55,396 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 890 transitions. [2020-10-28 05:12:55,397 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 05:12:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 890 transitions. [2020-10-28 05:12:55,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-28 05:12:55,399 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:12:55,400 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:12:55,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 05:12:55,400 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:12:55,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:12:55,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1079368371, now seen corresponding path program 1 times [2020-10-28 05:12:55,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:12:55,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713047330] [2020-10-28 05:12:55,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:12:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:12:55,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:56,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:57,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:12:58,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:00,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:00,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 149 [2020-10-28 05:13:00,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 05:13:00,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 05:13:00,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:00,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:00,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-28 05:13:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 05:13:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,273 WARN L193 SmtUtils]: Spent 4.60 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-28 05:13:05,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:13:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:13:05,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-28 05:13:05,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:05,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:13:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:13:05,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:13:05,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:05,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:13:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:13:05,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:13:05,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:05,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:13:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:13:05,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:13:05,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:05,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 05:13:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:13:05,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:13:05,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:05,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 05:13:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:13:05,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:13:05,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:05,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 05:13:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:13:05,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:13:05,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 05:13:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:13:05,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:13:05,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:13:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 05:13:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 05:13:05,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 05:13:05,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-28 05:13:05,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:13:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:13:05,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:13:05,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:05,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 05:13:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:13:05,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 05:13:05,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:05,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 05:13:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:05,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:05,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:05,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:13:05,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:05,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:13:05,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:05,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:05,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:05,809 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-28 05:13:05,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713047330] [2020-10-28 05:13:05,810 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:13:05,810 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 05:13:05,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042152443] [2020-10-28 05:13:05,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 05:13:05,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:13:05,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 05:13:05,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 05:13:05,812 INFO L87 Difference]: Start difference. First operand 699 states and 890 transitions. Second operand 6 states. [2020-10-28 05:13:31,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:13:31,496 INFO L93 Difference]: Finished difference Result 1555 states and 2041 transitions. [2020-10-28 05:13:31,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 05:13:31,498 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2020-10-28 05:13:31,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:13:31,506 INFO L225 Difference]: With dead ends: 1555 [2020-10-28 05:13:31,506 INFO L226 Difference]: Without dead ends: 876 [2020-10-28 05:13:31,509 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 05:13:31,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2020-10-28 05:13:31,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 700. [2020-10-28 05:13:31,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-10-28 05:13:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 891 transitions. [2020-10-28 05:13:31,679 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 891 transitions. Word has length 107 [2020-10-28 05:13:31,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:13:31,680 INFO L481 AbstractCegarLoop]: Abstraction has 700 states and 891 transitions. [2020-10-28 05:13:31,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 05:13:31,680 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 891 transitions. [2020-10-28 05:13:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 05:13:31,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 05:13:31,684 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 05:13:31,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 05:13:31,684 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 05:13:31,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 05:13:31,685 INFO L82 PathProgramCache]: Analyzing trace with hash 970801076, now seen corresponding path program 1 times [2020-10-28 05:13:31,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 05:13:31,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [961856453] [2020-10-28 05:13:31,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 05:13:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:31,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:32,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:33,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:34,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:36,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:36,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 05:13:36,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 05:13:36,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 05:13:36,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 05:13:36,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-28 05:13:36,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:41,421 WARN L193 SmtUtils]: Spent 4.53 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-28 05:13:41,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 05:13:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:41,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:41,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:41,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:13:41,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:41,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-28 05:13:41,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:41,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:41,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:41,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 05:13:41,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:41,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 05:13:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:41,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:41,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:41,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:13:41,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:41,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 05:13:41,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:13:41,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:41,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 05:13:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:41,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:41,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:41,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:13:41,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:41,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 05:13:41,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:41,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:13:41,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:41,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 05:13:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:41,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:41,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:41,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:13:41,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:41,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:13:41,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:41,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:13:41,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:42,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 05:13:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:42,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:42,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:42,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:13:42,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:42,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 05:13:42,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:42,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:13:42,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:42,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 05:13:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:42,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:42,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:42,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 05:13:42,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 05:13:42,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 05:13:42,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:42,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 05:13:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:42,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:42,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:42,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 05:13:42,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 05:13:42,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 05:13:42,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:42,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 05:13:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:42,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:42,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:42,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:13:42,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:42,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:13:42,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:42,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 05:13:42,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:42,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 05:13:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:42,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:42,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:42,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 05:13:42,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:42,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-28 05:13:42,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:42,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 05:13:42,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:42,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 05:13:42,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:42,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 05:13:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:42,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:42,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:42,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:13:42,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:42,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:13:42,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:42,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:42,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:42,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:42,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:42,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 05:13:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:42,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:42,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:42,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:13:42,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:42,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 05:13:42,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:42,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:42,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:42,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:42,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:42,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 05:13:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 05:13:42,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 05:13:42,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 05:13:42,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 05:13:42,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 05:13:42,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 05:13:42,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 05:13:42,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 05:13:42,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 05:13:42,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 05:13:42,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 05:13:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-28 05:13:42,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [961856453] [2020-10-28 05:13:42,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 05:13:42,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 05:13:42,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940529553] [2020-10-28 05:13:42,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 05:13:42,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 05:13:42,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 05:13:42,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 05:13:42,251 INFO L87 Difference]: Start difference. First operand 700 states and 891 transitions. Second operand 6 states. [2020-10-28 05:13:49,136 WARN L193 SmtUtils]: Spent 4.71 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:12,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 05:14:12,083 INFO L93 Difference]: Finished difference Result 876 states and 1161 transitions. [2020-10-28 05:14:12,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 05:14:12,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2020-10-28 05:14:12,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 05:14:12,086 INFO L225 Difference]: With dead ends: 876 [2020-10-28 05:14:12,086 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 05:14:12,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-28 05:14:12,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 05:14:12,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 05:14:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 05:14:12,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 05:14:12,091 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2020-10-28 05:14:12,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 05:14:12,092 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 05:14:12,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 05:14:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 05:14:12,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 05:14:12,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 05:14:12,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 05:14:12,410 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:12,667 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:12,907 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:13,132 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:13,354 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:13,506 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:13,682 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:13,828 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:13,985 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:14,149 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:14,277 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:14,400 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:14,525 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:14,652 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:14,864 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:15,079 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:15,388 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:16,160 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:16,453 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 05:14:17,714 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 612