/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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 23:54:42,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 23:54:42,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 23:54:42,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 23:54:42,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 23:54:42,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 23:54:42,343 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 23:54:42,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 23:54:42,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 23:54:42,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 23:54:42,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 23:54:42,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 23:54:42,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 23:54:42,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 23:54:42,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 23:54:42,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 23:54:42,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 23:54:42,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 23:54:42,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 23:54:42,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 23:54:42,397 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 23:54:42,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 23:54:42,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 23:54:42,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 23:54:42,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 23:54:42,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 23:54:42,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 23:54:42,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 23:54:42,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 23:54:42,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 23:54:42,418 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 23:54:42,419 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 23:54:42,422 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 23:54:42,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 23:54:42,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 23:54:42,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 23:54:42,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 23:54:42,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 23:54:42,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 23:54:42,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 23:54:42,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 23:54:42,436 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 23:54:42,489 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 23:54:42,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 23:54:42,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 23:54:42,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 23:54:42,495 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 23:54:42,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 23:54:42,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 23:54:42,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 23:54:42,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 23:54:42,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 23:54:42,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 23:54:42,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 23:54:42,498 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 23:54:42,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 23:54:42,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 23:54:42,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 23:54:42,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 23:54:42,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 23:54:42,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 23:54:42,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 23:54:42,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 23:54:42,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 23:54:42,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 23:54:42,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 23:54:42,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 23:54:42,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 23:54:42,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 23:54:42,500 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 23:54:42,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 23:54:42,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 23:54:42,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 23:54:42,996 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 23:54:42,997 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 23:54:42,998 INFO L432 ainManager$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 23:54:43,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a83bb763/de3120a022524026abe9a8cc1e3c03cd/FLAG0dfd2157b [2020-10-28 23:54:44,001 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 23:54:44,001 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 23:54:44,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a83bb763/de3120a022524026abe9a8cc1e3c03cd/FLAG0dfd2157b [2020-10-28 23:54:44,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0a83bb763/de3120a022524026abe9a8cc1e3c03cd [2020-10-28 23:54:44,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 23:54:44,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 23:54:44,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 23:54:44,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 23:54:44,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 23:54:44,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:54:44" (1/1) ... [2020-10-28 23:54:44,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29673859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:44, skipping insertion in model container [2020-10-28 23:54:44,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:54:44" (1/1) ... [2020-10-28 23:54:44,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 23:54:44,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 23:54:44,666 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 23:54:44,666 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 23:54:45,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:54:45,275 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 23:54:45,364 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 23:54:45,365 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 23:54:45,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 23:54:45,680 INFO L208 MainTranslator]: Completed translation [2020-10-28 23:54:45,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:45 WrapperNode [2020-10-28 23:54:45,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 23:54:45,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 23:54:45,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 23:54:45,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 23:54:45,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:45" (1/1) ... [2020-10-28 23:54:45,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:45" (1/1) ... [2020-10-28 23:54:45,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:45" (1/1) ... [2020-10-28 23:54:45,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:45" (1/1) ... [2020-10-28 23:54:45,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:45" (1/1) ... [2020-10-28 23:54:45,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:45" (1/1) ... [2020-10-28 23:54:45,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:45" (1/1) ... [2020-10-28 23:54:45,957 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 23:54:45,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 23:54:45,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 23:54:45,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 23:54:45,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:45" (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 23:54:46,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 23:54:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 23:54:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-10-28 23:54:46,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 23:54:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 23:54:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 23:54:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 23:54:46,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 23:54:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 23:54:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 23:54:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 23:54:46,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 23:54:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 23:54:46,052 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-10-28 23:54:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 23:54:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 23:54:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-10-28 23:54:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-10-28 23:54:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-10-28 23:54:46,053 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-10-28 23:54:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_input [2020-10-28 23:54:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_direction_output [2020-10-28 23:54:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_set_value [2020-10-28 23:54:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __gpio_to_irq [2020-10-28 23:54:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2020-10-28 23:54:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_irq [2020-10-28 23:54:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_21 [2020-10-28 23:54:46,054 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_platform_init [2020-10-28 23:54:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_enable [2020-10-28 23:54:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_disable [2020-10-28 23:54:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_add_len_crc [2020-10-28 23:54:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove_len_crc [2020-10-28 23:54:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_write [2020-10-28 23:54:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure get_frame_size [2020-10-28 23:54:46,055 INFO L138 BoogieDeclarations]: Found implementation of procedure check_crc [2020-10-28 23:54:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_repack [2020-10-28 23:54:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_read [2020-10-28 23:54:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_irq_thread_fn [2020-10-28 23:54:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_of_request_resources [2020-10-28 23:54:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_request_resources [2020-10-28 23:54:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_probe [2020-10-28 23:54:46,056 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_remove [2020-10-28 23:54:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_init [2020-10-28 23:54:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_i2c_driver_exit [2020-10-28 23:54:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_2 [2020-10-28 23:54:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2020-10-28 23:54:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2020-10-28 23:54:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2020-10-28 23:54:46,057 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2020-10-28 23:54:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2020-10-28 23:54:46,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2020-10-28 23:54:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2020-10-28 23:54:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2020-10-28 23:54:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_driver_3 [2020-10-28 23:54:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2020-10-28 23:54:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 23:54:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_19 [2020-10-28 23:54:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2020-10-28 23:54:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_23 [2020-10-28 23:54:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_25 [2020-10-28 23:54:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_27 [2020-10-28 23:54:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_28 [2020-10-28 23:54:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_29 [2020-10-28 23:54:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_30 [2020-10-28 23:54:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_31 [2020-10-28 23:54:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_32 [2020-10-28 23:54:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_devm_request_threaded_irq_33 [2020-10-28 23:54:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-10-28 23:54:46,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 23:54:46,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-10-28 23:54:46,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-10-28 23:54:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-10-28 23:54:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-10-28 23:54:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2020-10-28 23:54:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-28 23:54:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-28 23:54:46,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-28 23:54:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2020-10-28 23:54:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure crc_ccitt [2020-10-28 23:54:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 23:54:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_gpio_request [2020-10-28 23:54:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kmalloc [2020-10-28 23:54:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2020-10-28 23:54:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_to_desc [2020-10-28 23:54:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_input [2020-10-28 23:54:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_direction_output_raw [2020-10-28 23:54:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure gpiod_to_irq [2020-10-28 23:54:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-10-28 23:54:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_recv [2020-10-28 23:54:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2020-10-28 23:54:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-10-28 23:54:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2020-10-28 23:54:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-10-28 23:54:46,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 23:54:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_1 [2020-10-28 23:54:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler1_2 [2020-10-28 23:54:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 23:54:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-10-28 23:54:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-28 23:54:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-28 23:54:46,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 23:54:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure nfc_hci_recv_frame [2020-10-28 23:54:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2020-10-28 23:54:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 23:54:46,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2020-10-28 23:54:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_clone [2020-10-28 23:54:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy [2020-10-28 23:54:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2020-10-28 23:54:46,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2020-10-28 23:54:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2020-10-28 23:54:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2020-10-28 23:54:46,071 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_probe [2020-10-28 23:54:46,072 INFO L138 BoogieDeclarations]: Found implementation of procedure st21nfca_hci_remove [2020-10-28 23:54:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2020-10-28 23:54:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-28 23:54:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 23:54:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 23:54:46,073 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 23:54:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 23:54:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 23:54:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 23:54:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 23:54:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 23:54:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 23:54:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 23:54:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 23:54:46,074 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-28 23:54:46,075 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-28 23:54:46,076 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2020-10-28 23:54:46,077 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-28 23:54:46,079 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-28 23:54:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-28 23:54:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 23:54:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-10-28 23:54:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-10-28 23:54:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 23:54:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 23:54:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 23:54:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 23:54:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 23:54:46,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 23:54:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 23:54:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 23:54:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 23:54:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 23:54:46,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 23:54:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 23:54:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 23:54:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 23:54:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_2 [2020-10-28 23:54:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2020-10-28 23:54:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2020-10-28 23:54:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2020-10-28 23:54:46,090 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2020-10-28 23:54:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2020-10-28 23:54:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2020-10-28 23:54:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2020-10-28 23:54:46,091 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2020-10-28 23:54:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_driver_3 [2020-10-28 23:54:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2020-10-28 23:54:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure crc_ccitt [2020-10-28 23:54:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kmalloc [2020-10-28 23:54:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-10-28 23:54:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 23:54:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 23:54:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 23:54:46,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 23:54:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 23:54:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2020-10-28 23:54:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_recv [2020-10-28 23:54:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-10-28 23:54:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-10-28 23:54:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-10-28 23:54:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-10-28 23:54:46,093 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-10-28 23:54:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-10-28 23:54:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-10-28 23:54:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_input [2020-10-28 23:54:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_direction_output_raw [2020-10-28 23:54:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure gpiod_to_irq [2020-10-28 23:54:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_desc [2020-10-28 23:54:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_input [2020-10-28 23:54:46,094 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_direction_output [2020-10-28 23:54:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_set_value [2020-10-28 23:54:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure __gpio_to_irq [2020-10-28 23:54:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2020-10-28 23:54:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_to_irq [2020-10-28 23:54:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure devm_gpio_request [2020-10-28 23:54:46,095 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2020-10-28 23:54:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_19 [2020-10-28 23:54:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_devm_request_threaded_irq_33 [2020-10-28 23:54:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-28 23:54:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2020-10-28 23:54:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2020-10-28 23:54:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2020-10-28 23:54:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_21 [2020-10-28 23:54:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2020-10-28 23:54:46,096 INFO L130 BoogieDeclarations]: Found specification of procedure skb_clone [2020-10-28 23:54:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_25 [2020-10-28 23:54:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy [2020-10-28 23:54:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_27 [2020-10-28 23:54:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2020-10-28 23:54:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_23 [2020-10-28 23:54:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_31 [2020-10-28 23:54:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_32 [2020-10-28 23:54:46,097 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2020-10-28 23:54:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2020-10-28 23:54:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2020-10-28 23:54:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2020-10-28 23:54:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2020-10-28 23:54:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_28 [2020-10-28 23:54:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_29 [2020-10-28 23:54:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_30 [2020-10-28 23:54:46,098 INFO L130 BoogieDeclarations]: Found specification of procedure nfc_hci_recv_frame [2020-10-28 23:54:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_probe [2020-10-28 23:54:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove [2020-10-28 23:54:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_platform_init [2020-10-28 23:54:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 23:54:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 23:54:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 23:54:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_enable [2020-10-28 23:54:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_disable [2020-10-28 23:54:46,099 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_add_len_crc [2020-10-28 23:54:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_remove_len_crc [2020-10-28 23:54:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_write [2020-10-28 23:54:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure get_frame_size [2020-10-28 23:54:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure check_crc [2020-10-28 23:54:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_repack [2020-10-28 23:54:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 23:54:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_read [2020-10-28 23:54:46,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 23:54:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_irq_thread_fn [2020-10-28 23:54:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_of_request_resources [2020-10-28 23:54:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_request_resources [2020-10-28 23:54:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_probe [2020-10-28 23:54:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_remove [2020-10-28 23:54:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_init [2020-10-28 23:54:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure st21nfca_hci_i2c_driver_exit [2020-10-28 23:54:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_1 [2020-10-28 23:54:46,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 23:54:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 23:54:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler1_2 [2020-10-28 23:54:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 23:54:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-10-28 23:54:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-10-28 23:54:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-10-28 23:54:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-10-28 23:54:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-10-28 23:54:46,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-10-28 23:54:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-28 23:54:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 23:54:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 23:54:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 23:54:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 23:54:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 23:54:46,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 23:54:46,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 23:54:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 23:54:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 23:54:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 23:54:47,347 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 23:54:53,991 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 23:54:53,992 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 23:54:53,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:54:53 BoogieIcfgContainer [2020-10-28 23:54:53,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 23:54:53,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 23:54:53,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 23:54:54,002 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 23:54:54,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:54:44" (1/3) ... [2020-10-28 23:54:54,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1f494f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:54:54, skipping insertion in model container [2020-10-28 23:54:54,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:54:45" (2/3) ... [2020-10-28 23:54:54,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c1f494f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:54:54, skipping insertion in model container [2020-10-28 23:54:54,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:54:53" (3/3) ... [2020-10-28 23:54:54,006 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 23:54:54,018 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 23:54:54,024 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 23:54:54,038 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 23:54:54,075 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 23:54:54,075 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 23:54:54,075 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 23:54:54,075 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 23:54:54,075 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 23:54:54,076 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 23:54:54,076 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 23:54:54,076 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 23:54:54,114 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states. [2020-10-28 23:54:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 23:54:54,143 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:54:54,145 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 23:54:54,145 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:54:54,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:54:54,160 INFO L82 PathProgramCache]: Analyzing trace with hash 735387801, now seen corresponding path program 1 times [2020-10-28 23:54:54,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:54:54,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963072988] [2020-10-28 23:54:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:54:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:54:54,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:54:56,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:54:56,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:54:59,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:54:59,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-28 23:54:59,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:54:59,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 23:54:59,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:54:59,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:54:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:54:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-28 23:54:59,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:54:59,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 23:55:02,513 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-28 23:55:02,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:55:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:02,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:02,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:02,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:55:02,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:02,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-28 23:55:02,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:02,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:02,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:02,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:02,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:55:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:02,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:02,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:02,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:02,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:02,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 23:55:02,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:02,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:02,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:02,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:02,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:02,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 23:55:02,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:55:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:02,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:02,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:02,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:02,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:02,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 23:55:02,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:02,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:02,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:02,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:02,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:02,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:55:02,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:55:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:02,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:02,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:02,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:02,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:02,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:55:02,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:02,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:02,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:02,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:02,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:02,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-28 23:55:02,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 23:55:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:02,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:03,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:03,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:03,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:03,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 23:55:03,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:03,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:03,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:03,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:03,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 23:55:03,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 23:55:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:03,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:03,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:03,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:03,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:03,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 23:55:03,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:03,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:03,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:03,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:55:03,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:55:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:03,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:03,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:03,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 23:55:03,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:03,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:03,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:03,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:03,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:03,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 23:55:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:03,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:03,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:03,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:55:03,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:03,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:03,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:55:03,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:03,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:03,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-28 23:55:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:03,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:03,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:03,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:03,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:03,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 23:55:03,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:03,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 23:55:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:03,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:03,159 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 23:55:03,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963072988] [2020-10-28 23:55:03,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:55:03,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 23:55:03,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498070756] [2020-10-28 23:55:03,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 23:55:03,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:55:03,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 23:55:03,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 23:55:03,186 INFO L87 Difference]: Start difference. First operand 790 states. Second operand 6 states. [2020-10-28 23:55:21,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:55:21,690 INFO L93 Difference]: Finished difference Result 1602 states and 2175 transitions. [2020-10-28 23:55:21,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 23:55:21,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-10-28 23:55:21,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:55:21,721 INFO L225 Difference]: With dead ends: 1602 [2020-10-28 23:55:21,722 INFO L226 Difference]: Without dead ends: 861 [2020-10-28 23:55:21,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 23:55:21,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-28 23:55:22,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 685. [2020-10-28 23:55:22,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-10-28 23:55:22,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 875 transitions. [2020-10-28 23:55:22,097 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 875 transitions. Word has length 88 [2020-10-28 23:55:22,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:55:22,098 INFO L481 AbstractCegarLoop]: Abstraction has 685 states and 875 transitions. [2020-10-28 23:55:22,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 23:55:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 875 transitions. [2020-10-28 23:55:22,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-28 23:55:22,107 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:55:22,107 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] [2020-10-28 23:55:22,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 23:55:22,108 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:55:22,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:55:22,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1812105618, now seen corresponding path program 1 times [2020-10-28 23:55:22,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:55:22,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1448406756] [2020-10-28 23:55:22,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:55:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:22,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:23,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:25,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:27,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:27,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-28 23:55:27,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 23:55:27,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5251 [2020-10-28 23:55:27,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:27,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 23:55:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-28 23:55:27,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:55:27,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:30,074 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-28 23:55:30,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:55:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:30,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:30,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:30,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:55:30,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:30,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-28 23:55:30,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:30,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:30,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:55:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:30,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:30,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:30,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:30,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:30,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:30,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:30,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:30,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:30,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:30,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:55:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:30,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:30,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:30,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:30,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:30,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:30,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:30,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:30,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:30,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:30,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:55:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:30,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:30,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:30,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:30,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:30,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:30,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:30,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:30,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:30,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 23:55:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:30,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:30,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:30,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:30,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:30,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:30,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:30,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:30,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:30,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:30,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 23:55:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:30,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:30,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:30,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:30,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:30,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:30,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:30,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:30,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:30,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:30,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:55:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:30,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:30,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:30,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 23:55:30,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:30,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:55:30,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:30,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:30,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:30,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:30,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 23:55:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:30,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:30,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:30,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:55:30,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:30,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:55:30,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:30,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:30,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:30,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:30,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:30,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 23:55:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:30,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:30,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:30,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:30,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:30,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:55:30,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:30,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:30,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:55:30,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:30,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:55:30,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:30,521 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 23:55:30,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1448406756] [2020-10-28 23:55:30,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:55:30,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 23:55:30,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975762375] [2020-10-28 23:55:30,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 23:55:30,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:55:30,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 23:55:30,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:55:30,525 INFO L87 Difference]: Start difference. First operand 685 states and 875 transitions. Second operand 8 states. [2020-10-28 23:55:48,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:55:48,584 INFO L93 Difference]: Finished difference Result 1533 states and 2019 transitions. [2020-10-28 23:55:48,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 23:55:48,586 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2020-10-28 23:55:48,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:55:48,601 INFO L225 Difference]: With dead ends: 1533 [2020-10-28 23:55:48,601 INFO L226 Difference]: Without dead ends: 868 [2020-10-28 23:55:48,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:55:48,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2020-10-28 23:55:48,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 690. [2020-10-28 23:55:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-10-28 23:55:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 880 transitions. [2020-10-28 23:55:48,856 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 880 transitions. Word has length 85 [2020-10-28 23:55:48,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:55:48,857 INFO L481 AbstractCegarLoop]: Abstraction has 690 states and 880 transitions. [2020-10-28 23:55:48,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 23:55:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 880 transitions. [2020-10-28 23:55:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-28 23:55:48,862 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:55:48,863 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] [2020-10-28 23:55:48,863 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 23:55:48,863 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:55:48,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:55:48,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1484950933, now seen corresponding path program 1 times [2020-10-28 23:55:48,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:55:48,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359176755] [2020-10-28 23:55:48,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:55:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:49,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:50,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:51,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:52,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:53,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:53,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-28 23:55:53,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 23:55:53,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-28 23:55:53,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:53,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:53,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:55:53,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-28 23:55:53,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 23:55:53,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:56,374 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-28 23:55:56,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:55:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:55:56,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 170 [2020-10-28 23:55:56,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:56,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:56,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:56,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:56,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:55:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:56,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:56,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:56,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:56,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:56,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:55:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:56,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:55:56,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:56,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:56,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:56,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:55:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:56,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:56,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:56,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:55:56,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 23:55:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:56,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:56,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:56,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:56,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:55:56,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 23:55:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:55:56,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:55:56,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:56,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:56,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 23:55:56,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:55:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 23:55:56,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:55:56,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:56,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:56,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:56,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 23:55:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:55:56,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:55:56,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:56,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:56,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:56,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 23:55:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 23:55:56,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 23:55:56,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 23:55:56,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-28 23:55:56,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 23:55:56,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:56,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 23:55:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:55:56,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:55:56,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:55:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:55:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:55:56,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:56,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:55:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:55:56,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:55:56,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:55:56,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:55:56,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:55:56,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:55:56,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:55:56,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:55:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:55:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:55:56,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:55:56,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:55:56,899 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 23:55:56,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359176755] [2020-10-28 23:55:56,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:55:56,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 23:55:56,900 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65246592] [2020-10-28 23:55:56,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 23:55:56,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:55:56,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 23:55:56,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 23:55:56,901 INFO L87 Difference]: Start difference. First operand 690 states and 880 transitions. Second operand 7 states. [2020-10-28 23:56:14,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:56:14,093 INFO L93 Difference]: Finished difference Result 1565 states and 2068 transitions. [2020-10-28 23:56:14,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 23:56:14,093 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2020-10-28 23:56:14,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:56:14,100 INFO L225 Difference]: With dead ends: 1565 [2020-10-28 23:56:14,100 INFO L226 Difference]: Without dead ends: 895 [2020-10-28 23:56:14,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 23:56:14,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2020-10-28 23:56:14,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 691. [2020-10-28 23:56:14,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2020-10-28 23:56:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 881 transitions. [2020-10-28 23:56:14,290 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 881 transitions. Word has length 96 [2020-10-28 23:56:14,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:56:14,290 INFO L481 AbstractCegarLoop]: Abstraction has 691 states and 881 transitions. [2020-10-28 23:56:14,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 23:56:14,290 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 881 transitions. [2020-10-28 23:56:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-28 23:56:14,294 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 23:56:14,294 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 23:56:14,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 23:56:14,295 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 23:56:14,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 23:56:14,296 INFO L82 PathProgramCache]: Analyzing trace with hash 712635638, now seen corresponding path program 1 times [2020-10-28 23:56:14,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 23:56:14,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172480390] [2020-10-28 23:56:14,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 23:56:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:14,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:14,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:15,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:16,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:19,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:19,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 23:56:19,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 23:56:19,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5192 [2020-10-28 23:56:19,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:19,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:19,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:56:19,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 23:56:19,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-28 23:56:19,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,167 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 610 [2020-10-28 23:56:22,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 23:56:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:56:22,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 381 [2020-10-28 23:56:22,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:56:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 23:56:22,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 23:56:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:56:22,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:56:22,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:56:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:56:22,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 23:56:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:56:22,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:56:22,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:56:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:56:22,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 23:56:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:56:22,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:56:22,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:56:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:56:22,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 23:56:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:56:22,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 23:56:22,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:56:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:56:22,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 23:56:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 23:56:22,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 23:56:22,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:56:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 23:56:22,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 23:56:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 23:56:22,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:56:22,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:56:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 23:56:22,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 23:56:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:56:22,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 23:56:22,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:56:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 23:56:22,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 23:56:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-28 23:56:22,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 23:56:22,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 23:56:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 23:56:22,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 23:56:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:56:22,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 23:56:22,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:56:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:56:22,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 23:56:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:56:22,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 23:56:22,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:56:22,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:56:22,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 23:56:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 23:56:22,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 23:56:22,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 23:56:22,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 23:56:22,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 23:56:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 23:56:22,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 23:56:22,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 23:56:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 23:56:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 23:56:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 23:56:22,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 23:56:22,903 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 23:56:22,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172480390] [2020-10-28 23:56:22,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 23:56:22,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 23:56:22,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232703851] [2020-10-28 23:56:22,905 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 23:56:22,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 23:56:22,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 23:56:22,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 23:56:22,906 INFO L87 Difference]: Start difference. First operand 691 states and 881 transitions. Second operand 6 states. [2020-10-28 23:56:27,457 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:40,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 23:56:40,806 INFO L93 Difference]: Finished difference Result 867 states and 1151 transitions. [2020-10-28 23:56:40,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 23:56:40,807 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2020-10-28 23:56:40,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 23:56:40,809 INFO L225 Difference]: With dead ends: 867 [2020-10-28 23:56:40,809 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 23:56:40,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-28 23:56:40,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 23:56:40,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 23:56:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 23:56:40,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 23:56:40,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 104 [2020-10-28 23:56:40,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 23:56:40,814 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 23:56:40,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 23:56:40,814 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 23:56:40,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 23:56:40,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 23:56:40,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 23:56:41,200 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:41,451 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:41,680 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:41,836 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:41,973 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:42,107 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:42,255 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:42,372 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:42,848 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:43,821 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:44,523 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:56:44,807 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2020-10-28 23:57:05,277 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:57:07,220 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 418 DAG size of output: 27 [2020-10-28 23:57:09,205 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 416 DAG size of output: 21 [2020-10-28 23:57:11,158 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 417 DAG size of output: 24 [2020-10-28 23:57:13,065 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 414 DAG size of output: 15 [2020-10-28 23:57:14,982 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 417 DAG size of output: 24 [2020-10-28 23:57:16,899 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:57:18,957 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 435 DAG size of output: 78 [2020-10-28 23:57:20,778 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:57:22,591 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:57:24,453 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 418 DAG size of output: 27 [2020-10-28 23:57:26,401 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 435 DAG size of output: 78 [2020-10-28 23:57:28,220 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 417 DAG size of output: 24 [2020-10-28 23:57:30,051 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 418 DAG size of output: 27 [2020-10-28 23:57:31,935 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 414 DAG size of output: 15 [2020-10-28 23:57:33,775 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 414 DAG size of output: 15 [2020-10-28 23:57:35,590 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 417 DAG size of output: 24 [2020-10-28 23:57:37,405 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 416 DAG size of output: 21 [2020-10-28 23:57:39,456 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 452 DAG size of output: 129 [2020-10-28 23:57:41,255 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:57:43,056 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 414 DAG size of output: 15 [2020-10-28 23:57:44,843 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 416 DAG size of output: 21 [2020-10-28 23:57:46,647 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 416 DAG size of output: 21 [2020-10-28 23:57:48,540 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 418 DAG size of output: 27 [2020-10-28 23:57:50,422 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 412 DAG size of output: 8 [2020-10-28 23:57:52,301 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:57:54,244 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 416 DAG size of output: 21 [2020-10-28 23:57:56,165 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:57:58,107 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 417 DAG size of output: 24 [2020-10-28 23:58:00,079 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 416 DAG size of output: 21 [2020-10-28 23:58:02,016 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:58:03,918 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 416 DAG size of output: 21 [2020-10-28 23:58:05,824 WARN L193 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 416 DAG size of output: 21 [2020-10-28 23:58:07,734 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:58:09,656 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:58:11,572 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:58:13,473 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 413 DAG size of output: 12 [2020-10-28 23:58:15,417 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 414 DAG size of output: 15 [2020-10-28 23:58:17,353 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 416 DAG size of output: 21 [2020-10-28 23:58:19,248 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 417 DAG size of output: 24 [2020-10-28 23:58:21,161 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 414 DAG size of output: 15