/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 08:26:13,301 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 08:26:13,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 08:26:13,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 08:26:13,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 08:26:13,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 08:26:13,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 08:26:13,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 08:26:13,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 08:26:13,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 08:26:13,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 08:26:13,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 08:26:13,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 08:26:13,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 08:26:13,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 08:26:13,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 08:26:13,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 08:26:13,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 08:26:13,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 08:26:13,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 08:26:13,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 08:26:13,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 08:26:13,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 08:26:13,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 08:26:13,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 08:26:13,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 08:26:13,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 08:26:13,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 08:26:13,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 08:26:13,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 08:26:13,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 08:26:13,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 08:26:13,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 08:26:13,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 08:26:13,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 08:26:13,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 08:26:13,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 08:26:13,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 08:26:13,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 08:26:13,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 08:26:13,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 08:26:13,449 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 08:26:13,475 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 08:26:13,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 08:26:13,477 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 08:26:13,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 08:26:13,477 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 08:26:13,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 08:26:13,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 08:26:13,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 08:26:13,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 08:26:13,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 08:26:13,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 08:26:13,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 08:26:13,479 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 08:26:13,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 08:26:13,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 08:26:13,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 08:26:13,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 08:26:13,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 08:26:13,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 08:26:13,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 08:26:13,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 08:26:13,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 08:26:13,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 08:26:13,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 08:26:13,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 08:26:13,481 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 08:26:13,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 08:26:13,482 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 08:26:13,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 08:26:13,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 08:26:13,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 08:26:13,877 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 08:26:13,878 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 08:26:13,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-28 08:26:13,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c63b0a588/eaac1f89f2134e458b219c3165b3b4d8/FLAG878ee03a7 [2020-10-28 08:26:14,849 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 08:26:14,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.8/linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-28 08:26:14,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c63b0a588/eaac1f89f2134e458b219c3165b3b4d8/FLAG878ee03a7 [2020-10-28 08:26:15,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c63b0a588/eaac1f89f2134e458b219c3165b3b4d8 [2020-10-28 08:26:15,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 08:26:15,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 08:26:15,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 08:26:15,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 08:26:15,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 08:26:15,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:26:15" (1/1) ... [2020-10-28 08:26:15,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bee38b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:15, skipping insertion in model container [2020-10-28 08:26:15,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:26:15" (1/1) ... [2020-10-28 08:26:15,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 08:26:15,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 08:26:16,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:26:16,588 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 08:26:16,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 08:26:16,988 INFO L208 MainTranslator]: Completed translation [2020-10-28 08:26:16,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:16 WrapperNode [2020-10-28 08:26:16,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 08:26:16,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 08:26:16,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 08:26:16,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 08:26:17,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:16" (1/1) ... [2020-10-28 08:26:17,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:16" (1/1) ... [2020-10-28 08:26:17,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:16" (1/1) ... [2020-10-28 08:26:17,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:16" (1/1) ... [2020-10-28 08:26:17,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:16" (1/1) ... [2020-10-28 08:26:17,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:16" (1/1) ... [2020-10-28 08:26:17,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:16" (1/1) ... [2020-10-28 08:26:17,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 08:26:17,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 08:26:17,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 08:26:17,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 08:26:17,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:16" (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 08:26:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 08:26:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 08:26:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 08:26:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_4 [2020-10-28 08:26:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 08:26:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 08:26:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 08:26:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 08:26:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 08:26:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-28 08:26:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-28 08:26:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-28 08:26:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-28 08:26:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-28 08:26:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-28 08:26:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-28 08:26:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-28 08:26:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-28 08:26:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2020-10-28 08:26:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2020-10-28 08:26:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-28 08:26:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-28 08:26:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 08:26:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-28 08:26:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-28 08:26:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-28 08:26:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_startup [2020-10-28 08:26:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_release [2020-10-28 08:26:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2020-10-28 08:26:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_open [2020-10-28 08:26:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_close [2020-10-28 08:26:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_read_int_callback [2020-10-28 08:26:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_callback [2020-10-28 08:26:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write [2020-10-28 08:26:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2020-10-28 08:26:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2020-10-28 08:26:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2020-10-28 08:26:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2020-10-28 08:26:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2020-10-28 08:26:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init [2020-10-28 08:26:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_exit [2020-10-28 08:26:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-28 08:26:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-28 08:26:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 08:26:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_flags_3 [2020-10-28 08:26:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-28 08:26:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_5 [2020-10-28 08:26:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_6 [2020-10-28 08:26:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_tty_get_7 [2020-10-28 08:26:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_flip_buffer_push_8 [2020-10-28 08:26:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_get_baud_rate_9 [2020-10-28 08:26:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_encode_baud_rate_10 [2020-10-28 08:26:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_11 [2020-10-28 08:26:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 08:26:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 08:26:17,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-28 08:26:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2020-10-28 08:26:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2020-10-28 08:26:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 08:26:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-28 08:26:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 08:26:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 08:26:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2020-10-28 08:26:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-10-28 08:26:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-28 08:26:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 08:26:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-28 08:26:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-28 08:26:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-28 08:26:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-28 08:26:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2020-10-28 08:26:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-28 08:26:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-28 08:26:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 08:26:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 08:26:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 08:26:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 08:26:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 08:26:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2020-10-28 08:26:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 08:26:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-28 08:26:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-28 08:26:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-28 08:26:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-28 08:26:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 08:26:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 08:26:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-28 08:26:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 08:26:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-28 08:26:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 08:26:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 08:26:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 08:26:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 08:26:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 08:26:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 08:26:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 08:26:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-28 08:26:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-28 08:26:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-28 08:26:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-28 08:26:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_flip_buffer_push_8 [2020-10-28 08:26:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-28 08:26:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_get_baud_rate_9 [2020-10-28 08:26:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-28 08:26:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_encode_baud_rate_10 [2020-10-28 08:26:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-28 08:26:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_tty_get_7 [2020-10-28 08:26:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2020-10-28 08:26:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_flags_3 [2020-10-28 08:26:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-28 08:26:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_5 [2020-10-28 08:26:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_4 [2020-10-28 08:26:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-28 08:26:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2020-10-28 08:26:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2020-10-28 08:26:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 08:26:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 08:26:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 08:26:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 08:26:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 08:26:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 08:26:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 08:26:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 08:26:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 08:26:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 08:26:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 08:26:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 08:26:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 08:26:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-28 08:26:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-28 08:26:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-28 08:26:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-28 08:26:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-28 08:26:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-28 08:26:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-28 08:26:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-28 08:26:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-28 08:26:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 08:26:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-28 08:26:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-28 08:26:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2020-10-28 08:26:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2020-10-28 08:26:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 08:26:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 08:26:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-28 08:26:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 08:26:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_6 [2020-10-28 08:26:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-28 08:26:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 08:26:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_11 [2020-10-28 08:26:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-28 08:26:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 08:26:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 08:26:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 08:26:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 08:26:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 08:26:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 08:26:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2020-10-28 08:26:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 08:26:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 08:26:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-28 08:26:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-28 08:26:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-28 08:26:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-28 08:26:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-28 08:26:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-28 08:26:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-28 08:26:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_startup [2020-10-28 08:26:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_release [2020-10-28 08:26:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_open [2020-10-28 08:26:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_close [2020-10-28 08:26:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write [2020-10-28 08:26:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2020-10-28 08:26:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2020-10-28 08:26:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2020-10-28 08:26:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2020-10-28 08:26:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_read_int_callback [2020-10-28 08:26:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_callback [2020-10-28 08:26:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2020-10-28 08:26:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2020-10-28 08:26:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 08:26:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-28 08:26:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-28 08:26:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init [2020-10-28 08:26:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_exit [2020-10-28 08:26:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-10-28 08:26:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2020-10-28 08:26:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 08:26:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 08:26:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 08:26:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 08:26:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 08:26:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-28 08:26:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 08:26:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 08:26:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 08:26:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 08:26:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 08:26:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 08:26:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-28 08:26:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-28 08:26:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-28 08:26:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-28 08:26:18,728 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-28 08:26:25,557 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 08:26:25,557 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 08:26:25,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:26:25 BoogieIcfgContainer [2020-10-28 08:26:25,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 08:26:25,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 08:26:25,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 08:26:25,566 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 08:26:25,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 08:26:15" (1/3) ... [2020-10-28 08:26:25,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfa9841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:26:25, skipping insertion in model container [2020-10-28 08:26:25,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:26:16" (2/3) ... [2020-10-28 08:26:25,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dfa9841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 08:26:25, skipping insertion in model container [2020-10-28 08:26:25,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:26:25" (3/3) ... [2020-10-28 08:26:25,569 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-stable-1dfa93a-1-100_1a-drivers--usb--serial--kobil_sct.ko-entry_point_ldv-val-v0.8.cil.out.i [2020-10-28 08:26:25,588 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 08:26:25,594 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 08:26:25,607 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 08:26:25,639 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 08:26:25,639 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 08:26:25,640 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 08:26:25,640 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 08:26:25,640 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 08:26:25,640 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 08:26:25,640 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 08:26:25,640 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 08:26:25,674 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states. [2020-10-28 08:26:25,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-28 08:26:25,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:26:25,702 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:26:25,702 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:26:25,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:26:25,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1881843185, now seen corresponding path program 1 times [2020-10-28 08:26:25,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:26:25,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1774188371] [2020-10-28 08:26:25,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:26:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:26,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:26,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:27,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:27,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:28,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:29,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:31,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:31,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-28 08:26:31,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 08:26:31,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5530 [2020-10-28 08:26:31,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:31,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:26:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-10-28 08:26:31,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 08:26:31,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 08:26:35,899 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification that was a NOOP. DAG size: 724 [2020-10-28 08:26:35,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:26:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:35,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:26:36,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 471 [2020-10-28 08:26:36,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:26:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:26:36,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 08:26:36,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:26:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:26:36,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:26:36,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:26:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:36,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:26:36,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 08:26:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:36,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:26:36,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 08:26:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:36,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:26:36,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 08:26:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:26:36,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 08:26:36,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:26:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:26:36,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:26:36,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:26:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:36,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:26:36,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 08:26:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:26:36,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 08:26:36,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:26:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:26:36,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:26:36,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:26:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:36,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:26:36,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:36,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 08:26:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:26:36,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:26:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-28 08:26:36,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 08:26:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 08:26:36,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:26:36,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:36,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:26:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:36,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:36,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:36,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:36,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:36,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 08:26:36,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:36,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 08:26:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 08:26:36,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:37,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 08:26:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:37,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:37,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:26:37,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:26:37,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-28 08:26:37,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:37,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:26:37,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:26:37,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 08:26:37,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:37,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:26:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:37,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:37,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:37,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:37,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 08:26:37,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:26:37,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:37,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 08:26:37,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 08:26:37,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 08:26:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:37,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:37,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:26:37,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:26:37,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 08:26:37,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:37,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:26:37,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:26:37,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 08:26:37,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:37,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:26:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:37,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:37,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:37,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:37,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 08:26:37,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:26:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:37,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 08:26:37,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:37,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 08:26:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:37,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:37,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:26:37,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:26:37,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 08:26:37,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:37,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:26:37,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:26:37,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 08:26:37,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:37,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:26:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:37,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:37,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:37,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:37,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 08:26:37,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:26:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:37,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 08:26:37,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:37,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-28 08:26:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:37,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:37,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:26:37,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:26:37,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 08:26:37,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:26:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:26:37,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 08:26:37,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:37,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:26:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:37,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:37,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:37,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:37,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 08:26:37,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:37,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:26:37,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:37,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 08:26:37,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:37,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 08:26:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:37,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:37,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:37,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:26:37,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:26:37,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 08:26:37,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:37,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:26:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:26:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 08:26:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:37,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:26:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:38,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:38,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:38,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:38,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:38,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-28 08:26:38,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 08:26:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:38,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 08:26:38,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:38,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 08:26:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:38,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:38,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:38,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:26:38,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:38,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 08:26:38,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:38,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:38,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 08:26:38,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:38,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:38,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:26:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:38,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:38,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:38,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:26:38,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:38,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:26:38,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:38,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:38,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:26:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:26:38,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:26:38,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:26:38,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:26:38,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:26:38,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:26:38,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:26:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:26:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:26:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:26:38,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:26:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2020-10-28 08:26:38,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1774188371] [2020-10-28 08:26:38,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 08:26:38,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-28 08:26:38,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645203895] [2020-10-28 08:26:38,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-28 08:26:38,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:26:38,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-28 08:26:38,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2020-10-28 08:26:38,309 INFO L87 Difference]: Start difference. First operand 791 states. Second operand 20 states. [2020-10-28 08:26:41,872 WARN L193 SmtUtils]: Spent 3.46 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-28 08:26:54,924 WARN L193 SmtUtils]: Spent 3.56 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-28 08:26:58,696 WARN L193 SmtUtils]: Spent 3.50 s on a formula simplification that was a NOOP. DAG size: 728 [2020-10-28 08:27:02,763 WARN L193 SmtUtils]: Spent 3.68 s on a formula simplification that was a NOOP. DAG size: 741 [2020-10-28 08:27:06,820 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification that was a NOOP. DAG size: 741 [2020-10-28 08:27:10,641 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification that was a NOOP. DAG size: 735 [2020-10-28 08:27:14,369 WARN L193 SmtUtils]: Spent 3.57 s on a formula simplification that was a NOOP. DAG size: 739 [2020-10-28 08:27:21,721 WARN L193 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 756 DAG size of output: 741 [2020-10-28 08:27:25,366 WARN L193 SmtUtils]: Spent 3.50 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-28 08:27:28,987 WARN L193 SmtUtils]: Spent 3.46 s on a formula simplification that was a NOOP. DAG size: 726 [2020-10-28 08:27:32,608 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification that was a NOOP. DAG size: 739 [2020-10-28 08:27:40,150 WARN L193 SmtUtils]: Spent 7.31 s on a formula simplification. DAG size of input: 758 DAG size of output: 742 [2020-10-28 08:27:47,351 WARN L193 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 747 DAG size of output: 732 [2020-10-28 08:27:51,196 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification that was a NOOP. DAG size: 739 [2020-10-28 08:27:58,485 WARN L193 SmtUtils]: Spent 7.19 s on a formula simplification. DAG size of input: 756 DAG size of output: 741 [2020-10-28 08:28:05,806 WARN L193 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 747 DAG size of output: 732 [2020-10-28 08:28:11,460 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification that was a NOOP. DAG size: 738 [2020-10-28 08:28:39,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 08:28:39,536 INFO L93 Difference]: Finished difference Result 1982 states and 2818 transitions. [2020-10-28 08:28:39,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-28 08:28:39,539 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 172 [2020-10-28 08:28:39,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 08:28:39,573 INFO L225 Difference]: With dead ends: 1982 [2020-10-28 08:28:39,573 INFO L226 Difference]: Without dead ends: 1152 [2020-10-28 08:28:39,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 343 ImplicationChecksByTransitivity, 84.3s TimeCoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2020-10-28 08:28:39,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2020-10-28 08:28:40,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 857. [2020-10-28 08:28:40,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-10-28 08:28:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1129 transitions. [2020-10-28 08:28:40,093 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1129 transitions. Word has length 172 [2020-10-28 08:28:40,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 08:28:40,095 INFO L481 AbstractCegarLoop]: Abstraction has 857 states and 1129 transitions. [2020-10-28 08:28:40,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-28 08:28:40,095 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1129 transitions. [2020-10-28 08:28:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-10-28 08:28:40,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 08:28:40,118 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:28:40,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 08:28:40,119 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 08:28:40,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 08:28:40,120 INFO L82 PathProgramCache]: Analyzing trace with hash 231160408, now seen corresponding path program 1 times [2020-10-28 08:28:40,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 08:28:40,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377610476] [2020-10-28 08:28:40,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 08:28:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:40,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:40,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:41,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:41,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:42,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:42,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:43,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:46,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:46,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 359 [2020-10-28 08:28:46,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 08:28:46,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5872 [2020-10-28 08:28:46,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 08:28:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 340 [2020-10-28 08:28:46,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 08:28:46,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 08:28:50,015 WARN L193 SmtUtils]: Spent 3.62 s on a formula simplification that was a NOOP. DAG size: 724 [2020-10-28 08:28:50,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:28:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:28:50,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 491 [2020-10-28 08:28:50,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:28:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:28:50,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 08:28:50,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:28:50,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:28:50,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:28:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:50,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:28:50,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 08:28:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:50,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:28:50,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 08:28:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:50,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:28:50,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 08:28:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:28:50,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 08:28:50,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:28:50,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:28:50,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:28:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:50,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:28:50,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 08:28:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:28:50,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 08:28:50,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:28:50,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:28:50,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:28:50,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:50,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:28:50,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 08:28:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 08:28:50,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 08:28:50,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 08:28:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:28:50,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 08:28:50,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 08:28:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:50,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:50,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:50,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:50,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:50,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:28:50,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:50,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:50,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:50,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:50,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 08:28:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:51,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:51,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:51,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:51,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:28:51,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:28:51,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 08:28:51,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:51,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:28:51,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:28:51,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 08:28:51,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:51,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:51,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:51,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:51,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 08:28:51,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:51,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-28 08:28:51,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:28:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 08:28:51,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:51,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-28 08:28:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:51,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:51,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:51,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:51,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:28:51,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:28:51,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-28 08:28:51,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:51,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:28:51,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:28:51,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 08:28:51,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:51,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:51,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:51,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:51,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 08:28:51,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:51,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 08:28:51,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:51,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:28:51,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:51,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 08:28:51,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:51,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 08:28:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:51,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:51,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:51,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:51,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:28:51,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:28:51,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-28 08:28:51,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:51,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:28:51,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:28:51,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 08:28:51,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:51,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:51,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 08:28:52,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 08:28:52,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:28:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 08:28:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 08:28:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:28:52,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:28:52,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-28 08:28:52,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:28:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:28:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 08:28:52,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 08:28:52,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 08:28:52,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:28:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 08:28:52,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-28 08:28:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:28:52,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 08:28:52,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 08:28:52,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:28:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 08:28:52,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 08:28:52,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 08:28:52,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-28 08:28:52,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 08:28:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 08:28:52,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 08:28:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-28 08:28:52,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 08:28:52,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:52,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:28:52,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:28:52,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:52,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:52,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-28 08:28:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-28 08:28:52,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 08:28:52,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:52,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:28:52,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 08:28:52,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:52,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:52,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:28:52,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:28:52,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:52,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:52,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:28:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:52,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:28:52,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:52,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 08:28:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:52,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:28:52,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:52,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:52,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 08:28:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:28:52,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 08:28:52,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:52,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:52,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:52,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:52,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:52,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:28:52,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:52,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:28:52,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:52,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:52,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:52,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:52,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:53,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:28:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:53,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:53,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:53,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:53,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 08:28:53,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:53,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:53,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 08:28:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:53,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:53,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:53,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:28:53,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 08:28:53,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:53,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:53,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:53,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:53,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:53,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 08:28:53,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:53,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:28:53,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:53,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:53,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:53,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 08:28:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:53,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:53,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:53,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:53,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:53,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 08:28:53,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:53,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:53,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:53,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-28 08:28:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:53,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:53,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:53,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 08:28:53,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:53,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 08:28:53,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:53,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:53,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:53,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:53,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:53,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:53,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 08:28:53,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:53,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 08:28:53,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:53,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 08:28:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 08:28:53,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 08:28:53,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 08:28:53,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 08:28:53,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 08:28:53,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 08:28:53,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 08:28:53,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 08:28:53,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 08:28:53,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 08:28:53,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 08:28:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 8 proven. 51 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2020-10-28 08:28:53,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377610476] [2020-10-28 08:28:53,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 08:28:53,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-28 08:28:53,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287486370] [2020-10-28 08:28:53,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-28 08:28:53,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 08:28:53,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-28 08:28:53,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2020-10-28 08:28:53,343 INFO L87 Difference]: Start difference. First operand 857 states and 1129 transitions. Second operand 21 states. [2020-10-28 08:28:56,924 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-28 08:29:21,994 WARN L193 SmtUtils]: Spent 7.54 s on a formula simplification. DAG size of input: 750 DAG size of output: 737 [2020-10-28 08:29:25,713 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-28 08:29:29,391 WARN L193 SmtUtils]: Spent 3.58 s on a formula simplification that was a NOOP. DAG size: 729 [2020-10-28 08:29:33,018 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-28 08:29:40,719 WARN L193 SmtUtils]: Spent 7.53 s on a formula simplification. DAG size of input: 745 DAG size of output: 733 [2020-10-28 08:29:48,226 WARN L193 SmtUtils]: Spent 7.36 s on a formula simplification. DAG size of input: 741 DAG size of output: 728 [2020-10-28 08:29:52,384 WARN L193 SmtUtils]: Spent 3.58 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-28 08:29:59,730 WARN L193 SmtUtils]: Spent 7.23 s on a formula simplification. DAG size of input: 752 DAG size of output: 740 [2020-10-28 08:30:07,375 WARN L193 SmtUtils]: Spent 7.34 s on a formula simplification. DAG size of input: 743 DAG size of output: 731