/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 [2020-10-29 21:51:03,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 21:51:03,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 21:51:03,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 21:51:03,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 21:51:03,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 21:51:03,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 21:51:03,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 21:51:03,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 21:51:03,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 21:51:03,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 21:51:03,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 21:51:03,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 21:51:03,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 21:51:03,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 21:51:03,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 21:51:03,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 21:51:03,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 21:51:03,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 21:51:03,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 21:51:03,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 21:51:03,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 21:51:03,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 21:51:03,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 21:51:03,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 21:51:03,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 21:51:03,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 21:51:03,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 21:51:03,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 21:51:03,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 21:51:03,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 21:51:03,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 21:51:03,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 21:51:03,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 21:51:03,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 21:51:03,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 21:51:03,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 21:51:03,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 21:51:03,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 21:51:03,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 21:51:03,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 21:51:03,666 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 [2020-10-29 21:51:03,694 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 21:51:03,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 21:51:03,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 21:51:03,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 21:51:03,697 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 21:51:03,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 21:51:03,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 21:51:03,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 21:51:03,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 21:51:03,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 21:51:03,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 21:51:03,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 21:51:03,700 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 21:51:03,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 21:51:03,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 21:51:03,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 21:51:03,701 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 21:51:03,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 21:51:03,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 21:51:03,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 21:51:03,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 21:51:03,702 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 21:51:03,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 21:51:03,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 21:51:03,703 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 21:51:03,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 21:51:03,704 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 21:51:03,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 21:51:04,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 21:51:04,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 21:51:04,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 21:51:04,122 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 21:51:04,123 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 21:51:04,124 INFO L432 ainManager$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 [2020-10-29 21:51:04,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa6eeb93a/e0af057432764604bb5894a0ac25e9af/FLAG67f4102a3 [2020-10-29 21:51:05,261 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 21:51:05,262 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 [2020-10-29 21:51:05,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa6eeb93a/e0af057432764604bb5894a0ac25e9af/FLAG67f4102a3 [2020-10-29 21:51:05,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa6eeb93a/e0af057432764604bb5894a0ac25e9af [2020-10-29 21:51:05,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 21:51:05,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 21:51:05,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 21:51:05,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 21:51:05,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 21:51:05,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:51:05" (1/1) ... [2020-10-29 21:51:05,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ecfab34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:05, skipping insertion in model container [2020-10-29 21:51:05,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:51:05" (1/1) ... [2020-10-29 21:51:05,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 21:51:05,913 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 21:51:07,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:51:07,061 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 21:51:07,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 21:51:07,647 INFO L208 MainTranslator]: Completed translation [2020-10-29 21:51:07,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:07 WrapperNode [2020-10-29 21:51:07,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 21:51:07,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 21:51:07,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 21:51:07,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 21:51:07,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:07" (1/1) ... [2020-10-29 21:51:07,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:07" (1/1) ... [2020-10-29 21:51:07,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:07" (1/1) ... [2020-10-29 21:51:07,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:07" (1/1) ... [2020-10-29 21:51:07,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:07" (1/1) ... [2020-10-29 21:51:07,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:07" (1/1) ... [2020-10-29 21:51:07,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:07" (1/1) ... [2020-10-29 21:51:07,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 21:51:07,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 21:51:07,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 21:51:07,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 21:51:07,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:07" (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 [2020-10-29 21:51:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 21:51:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 21:51:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 21:51:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_4 [2020-10-29 21:51:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 21:51:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 21:51:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 21:51:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 21:51:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 21:51:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-29 21:51:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2020-10-29 21:51:08,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2020-10-29 21:51:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-29 21:51:08,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-29 21:51:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-29 21:51:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-29 21:51:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-29 21:51:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-29 21:51:08,044 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2020-10-29 21:51:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2020-10-29 21:51:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-29 21:51:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-29 21:51:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-29 21:51:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2020-10-29 21:51:08,045 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2020-10-29 21:51:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-29 21:51:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_startup [2020-10-29 21:51:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_release [2020-10-29 21:51:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init_termios [2020-10-29 21:51:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_open [2020-10-29 21:51:08,046 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_close [2020-10-29 21:51:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_read_int_callback [2020-10-29 21:51:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_callback [2020-10-29 21:51:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write [2020-10-29 21:51:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_write_room [2020-10-29 21:51:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmget [2020-10-29 21:51:08,047 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_tiocmset [2020-10-29 21:51:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_set_termios [2020-10-29 21:51:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_ioctl [2020-10-29 21:51:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_init [2020-10-29 21:51:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure kobil_exit [2020-10-29 21:51:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-29 21:51:08,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-29 21:51:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 21:51:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_flags_3 [2020-10-29 21:51:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-29 21:51:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_insert_flip_string_fixed_flag_5 [2020-10-29 21:51:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_6 [2020-10-29 21:51:08,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_tty_get_7 [2020-10-29 21:51:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_flip_buffer_push_8 [2020-10-29 21:51:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_get_baud_rate_9 [2020-10-29 21:51:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_encode_baud_rate_10 [2020-10-29 21:51:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_11 [2020-10-29 21:51:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 21:51:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 21:51:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-29 21:51:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_got_tty [2020-10-29 21:51:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_tty [2020-10-29 21:51:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 21:51:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-29 21:51:08,052 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 21:51:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 21:51:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_detach_1 [2020-10-29 21:51:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2020-10-29 21:51:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-29 21:51:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-29 21:51:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-29 21:51:08,053 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-29 21:51:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-29 21:51:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-29 21:51:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2020-10-29 21:51:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-29 21:51:08,054 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-29 21:51:08,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-29 21:51:08,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-29 21:51:08,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-29 21:51:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-29 21:51:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-29 21:51:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2020-10-29 21:51:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-29 21:51:08,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-29 21:51:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-29 21:51:08,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-29 21:51:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-29 21:51:08,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-29 21:51:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 21:51:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-29 21:51:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-29 21:51:08,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-29 21:51:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 21:51:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 21:51:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 21:51:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 21:51:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 21:51:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 21:51:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-29 21:51:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-29 21:51:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-29 21:51:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-29 21:51:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-29 21:51:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_flip_buffer_push_8 [2020-10-29 21:51:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-29 21:51:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_get_baud_rate_9 [2020-10-29 21:51:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-29 21:51:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_encode_baud_rate_10 [2020-10-29 21:51:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-29 21:51:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_tty_get_7 [2020-10-29 21:51:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2020-10-29 21:51:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_flags_3 [2020-10-29 21:51:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-29 21:51:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_fixed_flag_5 [2020-10-29 21:51:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_insert_flip_string_4 [2020-10-29 21:51:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-29 21:51:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_got_tty [2020-10-29 21:51:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_tty [2020-10-29 21:51:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 21:51:08,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 21:51:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 21:51:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 21:51:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 21:51:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 21:51:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 21:51:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 21:51:08,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 21:51:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-29 21:51:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 21:51:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 21:51:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-29 21:51:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2020-10-29 21:51:08,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2020-10-29 21:51:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-29 21:51:08,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-29 21:51:08,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-29 21:51:08,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-29 21:51:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-29 21:51:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-29 21:51:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-29 21:51:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 21:51:08,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-29 21:51:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-29 21:51:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2020-10-29 21:51:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2020-10-29 21:51:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 21:51:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 21:51:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-29 21:51:08,083 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-29 21:51:08,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_6 [2020-10-29 21:51:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-29 21:51:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-29 21:51:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_11 [2020-10-29 21:51:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-29 21:51:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 21:51:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 21:51:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-29 21:51:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-29 21:51:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-29 21:51:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-29 21:51:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2020-10-29 21:51:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-29 21:51:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-29 21:51:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2020-10-29 21:51:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2020-10-29 21:51:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-29 21:51:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-29 21:51:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-29 21:51:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-29 21:51:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-29 21:51:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_startup [2020-10-29 21:51:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_release [2020-10-29 21:51:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_open [2020-10-29 21:51:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_close [2020-10-29 21:51:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write [2020-10-29 21:51:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_room [2020-10-29 21:51:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_ioctl [2020-10-29 21:51:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmget [2020-10-29 21:51:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_tiocmset [2020-10-29 21:51:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_read_int_callback [2020-10-29 21:51:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_write_callback [2020-10-29 21:51:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_set_termios [2020-10-29 21:51:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init_termios [2020-10-29 21:51:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 21:51:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-29 21:51:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-29 21:51:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_init [2020-10-29 21:51:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure kobil_exit [2020-10-29 21:51:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2020-10-29 21:51:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_detach_1 [2020-10-29 21:51:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 21:51:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 21:51:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 21:51:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 21:51:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 21:51:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-29 21:51:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 21:51:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 21:51:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 21:51:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 21:51:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 21:51:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 21:51:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-29 21:51:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-29 21:51:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-29 21:51:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-29 21:51:09,489 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-29 21:51:16,978 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 21:51:16,978 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 21:51:16,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:51:16 BoogieIcfgContainer [2020-10-29 21:51:16,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 21:51:16,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 21:51:16,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 21:51:16,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 21:51:16,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:51:05" (1/3) ... [2020-10-29 21:51:16,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c7fd18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:51:16, skipping insertion in model container [2020-10-29 21:51:16,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:51:07" (2/3) ... [2020-10-29 21:51:16,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c7fd18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:51:16, skipping insertion in model container [2020-10-29 21:51:16,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:51:16" (3/3) ... [2020-10-29 21:51:16,991 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 [2020-10-29 21:51:17,004 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 21:51:17,011 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 21:51:17,024 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 21:51:17,065 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 21:51:17,065 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 21:51:17,065 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 21:51:17,065 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 21:51:17,066 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 21:51:17,066 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 21:51:17,066 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 21:51:17,066 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 21:51:17,104 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states. [2020-10-29 21:51:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-29 21:51:17,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:51:17,137 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] [2020-10-29 21:51:17,138 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:51:17,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:51:17,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1881843185, now seen corresponding path program 1 times [2020-10-29 21:51:17,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:51:17,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472303899] [2020-10-29 21:51:17,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:51:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:18,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:18,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:19,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:19,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:20,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:21,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:23,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:23,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-29 21:51:23,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 21:51:23,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5729 [2020-10-29 21:51:23,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:23,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:23,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:51:23,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 182 [2020-10-29 21:51:23,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 21:51:23,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 21:51:27,288 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 724 [2020-10-29 21:51:27,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:51:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:27,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:27,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:27,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:51:27,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:27,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 675 [2020-10-29 21:51:27,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:27,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:27,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:27,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:51:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:51:28,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 21:51:28,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:51:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:51:28,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:51:28,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:51:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:28,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:51:28,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:51:28,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 21:51:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:28,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:51:28,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 21:51:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:28,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:51:28,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 21:51:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:51:28,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 21:51:28,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:51:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:51:28,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:51:28,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:51:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:28,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:51:28,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 21:51:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:51:28,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 21:51:28,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:51:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:51:28,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:51:28,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:51:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:28,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 21:51:28,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:28,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:28,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 21:51:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:51:28,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:51:28,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 21:51:28,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 21:51:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 21:51:28,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 21:51:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:51:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:28,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:28,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 21:51:28,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 21:51:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 21:51:28,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-29 21:51:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:28,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:28,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:28,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:51:28,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:51:28,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-29 21:51:28,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:28,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:51:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:51:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 21:51:28,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:28,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:51:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:29,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:29,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:29,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:29,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-29 21:51:29,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:29,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:51:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:29,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:51:29,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:29,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 21:51:29,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:29,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:29,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:51:29,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:51:29,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-29 21:51:29,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:29,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:29,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:51:29,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:51:29,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 21:51:29,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:29,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:51:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:29,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:29,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:29,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:29,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 21:51:29,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:29,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:29,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:51:29,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:29,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:51:29,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:51:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-29 21:51:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:29,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:29,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:51:29,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:51:29,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 21:51:29,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:29,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:51:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:51:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 21:51:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:51:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:51:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:29,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:29,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:29,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:29,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 21:51:29,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:29,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:29,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:51:29,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:29,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:51:29,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:51:29,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-29 21:51:29,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:29,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:29,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:51:29,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:51:29,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-10-29 21:51:29,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:29,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:29,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:51:29,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:51:29,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 21:51:29,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:51:29,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:51:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:29,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:29,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:29,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:29,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 21:51:29,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:29,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:29,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:51:29,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:29,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:51:29,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 21:51:29,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-29 21:51:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:29,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:29,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:30,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:30,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:51:30,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:51:30,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-29 21:51:30,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:30,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:30,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:51:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:51:30,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 21:51:30,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:30,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:51:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:30,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:30,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:30,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:30,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:30,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-29 21:51:30,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:30,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:30,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 21:51:30,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:30,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 21:51:30,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:30,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-29 21:51:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:30,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:30,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:30,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:51:30,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:30,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 21:51:30,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:30,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 21:51:30,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:30,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:30,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:51:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:30,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:30,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:30,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:51:30,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 21:51:30,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:30,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:30,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:30,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:30,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:51:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:51:30,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:51:30,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:51:30,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:51:30,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:51:30,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:51:30,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:51:30,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:51:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:51:30,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:51:30,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:51:30,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:51:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2020-10-29 21:51:30,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472303899] [2020-10-29 21:51:30,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 21:51:30,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-29 21:51:30,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059963491] [2020-10-29 21:51:30,334 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-29 21:51:30,335 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:51:30,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-29 21:51:30,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2020-10-29 21:51:30,354 INFO L87 Difference]: Start difference. First operand 791 states. Second operand 18 states. [2020-10-29 21:51:33,841 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-29 21:51:43,557 WARN L193 SmtUtils]: Spent 3.73 s on a formula simplification that was a NOOP. DAG size: 743 [2020-10-29 21:51:47,417 WARN L193 SmtUtils]: Spent 3.59 s on a formula simplification that was a NOOP. DAG size: 734 [2020-10-29 21:51:51,490 WARN L193 SmtUtils]: Spent 3.74 s on a formula simplification that was a NOOP. DAG size: 748 [2020-10-29 21:51:55,734 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification that was a NOOP. DAG size: 748 [2020-10-29 21:51:59,567 WARN L193 SmtUtils]: Spent 3.48 s on a formula simplification that was a NOOP. DAG size: 735 [2020-10-29 21:52:06,814 WARN L193 SmtUtils]: Spent 7.07 s on a formula simplification. DAG size of input: 754 DAG size of output: 740 [2020-10-29 21:52:10,483 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-29 21:52:13,990 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 726 [2020-10-29 21:52:17,562 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification that was a NOOP. DAG size: 739 [2020-10-29 21:52:25,055 WARN L193 SmtUtils]: Spent 7.28 s on a formula simplification. DAG size of input: 758 DAG size of output: 744 [2020-10-29 21:52:32,078 WARN L193 SmtUtils]: Spent 6.86 s on a formula simplification. DAG size of input: 745 DAG size of output: 731 [2020-10-29 21:52:35,981 WARN L193 SmtUtils]: Spent 3.53 s on a formula simplification that was a NOOP. DAG size: 739 [2020-10-29 21:52:43,260 WARN L193 SmtUtils]: Spent 7.16 s on a formula simplification. DAG size of input: 756 DAG size of output: 743 [2020-10-29 21:52:50,643 WARN L193 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 747 DAG size of output: 734 [2020-10-29 21:52:56,519 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification that was a NOOP. DAG size: 739 [2020-10-29 21:53:22,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 21:53:22,847 INFO L93 Difference]: Finished difference Result 2032 states and 2916 transitions. [2020-10-29 21:53:22,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-29 21:53:22,849 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 172 [2020-10-29 21:53:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 21:53:22,876 INFO L225 Difference]: With dead ends: 2032 [2020-10-29 21:53:22,877 INFO L226 Difference]: Without dead ends: 1201 [2020-10-29 21:53:22,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 80.4s TimeCoverageRelationStatistics Valid=354, Invalid=1286, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 21:53:22,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2020-10-29 21:53:23,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 906. [2020-10-29 21:53:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2020-10-29 21:53:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1193 transitions. [2020-10-29 21:53:23,395 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1193 transitions. Word has length 172 [2020-10-29 21:53:23,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 21:53:23,396 INFO L481 AbstractCegarLoop]: Abstraction has 906 states and 1193 transitions. [2020-10-29 21:53:23,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-29 21:53:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1193 transitions. [2020-10-29 21:53:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-10-29 21:53:23,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 21:53:23,421 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, 1, 1] [2020-10-29 21:53:23,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 21:53:23,421 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 21:53:23,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 21:53:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash -333964300, now seen corresponding path program 1 times [2020-10-29 21:53:23,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 21:53:23,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051469316] [2020-10-29 21:53:23,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 21:53:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:23,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:24,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:24,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:24,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:25,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:25,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:26,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:27,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:29,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:29,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-29 21:53:29,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 21:53:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5593 [2020-10-29 21:53:29,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:29,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:53:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 220 [2020-10-29 21:53:29,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-29 21:53:29,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:32,984 WARN L193 SmtUtils]: Spent 3.56 s on a formula simplification that was a NOOP. DAG size: 724 [2020-10-29 21:53:32,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:53:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:33,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 570 [2020-10-29 21:53:33,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:53:33,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 21:53:33,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:33,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:33,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:33,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:33,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 21:53:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:33,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:33,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-29 21:53:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:33,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:33,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-29 21:53:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:53:33,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 21:53:33,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:33,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:33,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:33,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:33,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 21:53:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:53:33,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 21:53:33,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:33,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:53:33,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:33,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:33,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-29 21:53:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-29 21:53:33,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 21:53:33,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 21:53:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:53:33,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 21:53:33,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:33,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 21:53:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:33,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:33,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:33,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:33,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:33,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:33,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:33,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:33,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:33,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:33,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:33,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:34,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-29 21:53:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:34,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:34,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:34,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:34,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:53:34,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:53:34,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-29 21:53:34,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:34,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:53:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:53:34,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 21:53:34,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:34,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:34,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:34,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:34,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:53:34,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-29 21:53:34,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:34,267 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:53:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:34,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 21:53:34,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:34,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-29 21:53:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:34,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:34,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:34,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:34,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:53:34,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:53:34,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 21:53:34,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:34,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:34,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:53:34,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:53:34,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 21:53:34,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:34,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:34,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:34,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:34,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:53:34,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:34,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 21:53:34,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:34,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:53:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 21:53:34,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:34,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-29 21:53:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:34,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:34,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:34,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:34,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:53:34,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:53:34,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-29 21:53:34,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:34,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:53:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:53:34,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 21:53:34,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:34,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:34,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:35,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:35,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:53:35,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:35,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-29 21:53:35,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:35,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:53:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:35,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 21:53:35,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:35,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-29 21:53:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:35,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:35,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:35,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:35,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:53:35,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:53:35,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 21:53:35,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:35,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:53:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:53:35,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 21:53:35,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:35,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:35,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:35,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:35,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:53:35,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:35,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-29 21:53:35,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:35,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:35,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:53:35,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:35,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 21:53:35,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:35,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-29 21:53:35,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:35,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:35,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:35,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:35,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:53:35,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 21:53:35,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-29 21:53:35,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:35,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:53:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 21:53:35,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-29 21:53:35,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:35,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:35,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:35,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 21:53:35,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:35,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-29 21:53:35,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:35,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:35,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 21:53:35,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:35,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 21:53:35,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:35,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-29 21:53:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:35,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:35,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:35,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-29 21:53:35,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:35,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 21:53:35,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:35,769 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:35,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:35,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:35,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:35,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:35,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:35,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:35,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 21:53:35,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:35,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:35,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:35,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:35,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:35,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:35,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-29 21:53:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:35,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:35,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:35,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 21:53:35,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:35,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 21:53:35,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:35,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 21:53:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:35,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 21:53:35,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:35,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:35,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:53:36,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 21:53:36,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:36,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 21:53:36,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:36,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:36,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 21:53:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:36,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:36,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 21:53:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:53:36,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 21:53:36,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:36,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:53:36,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:36,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:53:36,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-29 21:53:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:53:36,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 21:53:36,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 21:53:36,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 21:53:36,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 21:53:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:36,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:36,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-29 21:53:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-29 21:53:36,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 21:53:36,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 21:53:36,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 21:53:36,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 21:53:36,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 21:53:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 21:53:36,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 21:53:36,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 21:53:36,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 21:53:36,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 21:53:36,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 21:53:36,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 21:53:36,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 21:53:36,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 21:53:36,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 21:53:36,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 21:53:36,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 21:53:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 20 proven. 46 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2020-10-29 21:53:36,397 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051469316] [2020-10-29 21:53:36,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 21:53:36,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-29 21:53:36,398 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916142658] [2020-10-29 21:53:36,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-29 21:53:36,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 21:53:36,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-29 21:53:36,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2020-10-29 21:53:36,401 INFO L87 Difference]: Start difference. First operand 906 states and 1193 transitions. Second operand 23 states. [2020-10-29 21:53:39,956 WARN L193 SmtUtils]: Spent 3.47 s on a formula simplification that was a NOOP. DAG size: 733 [2020-10-29 21:53:58,292 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-29 21:54:05,735 WARN L193 SmtUtils]: Spent 7.36 s on a formula simplification. DAG size of input: 755 DAG size of output: 739 [2020-10-29 21:54:09,494 WARN L193 SmtUtils]: Spent 3.65 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-29 21:54:13,157 WARN L193 SmtUtils]: Spent 3.55 s on a formula simplification that was a NOOP. DAG size: 729 [2020-10-29 21:54:16,858 WARN L193 SmtUtils]: Spent 3.56 s on a formula simplification that was a NOOP. DAG size: 730 [2020-10-29 21:54:24,351 WARN L193 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 748 DAG size of output: 732 [2020-10-29 21:54:31,658 WARN L193 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 746 DAG size of output: 730 [2020-10-29 21:54:35,805 WARN L193 SmtUtils]: Spent 3.58 s on a formula simplification that was a NOOP. DAG size: 737 [2020-10-29 21:54:43,203 WARN L193 SmtUtils]: Spent 7.32 s on a formula simplification. DAG size of input: 755 DAG size of output: 739 [2020-10-29 21:54:50,582 WARN L193 SmtUtils]: Spent 7.13 s on a formula simplification. DAG size of input: 746 DAG size of output: 730 [2020-10-29 21:54:55,695 WARN L193 SmtUtils]: Spent 3.59 s on a formula simplification that was a NOOP. DAG size: 735 [2020-10-29 21:54:59,670 WARN L193 SmtUtils]: Spent 3.52 s on a formula simplification that was a NOOP. DAG size: 726