/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 21:52:38,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 21:52:38,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 21:52:38,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 21:52:38,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 21:52:38,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 21:52:38,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 21:52:38,097 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 21:52:38,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 21:52:38,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 21:52:38,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 21:52:38,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 21:52:38,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 21:52:38,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 21:52:38,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 21:52:38,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 21:52:38,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 21:52:38,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 21:52:38,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 21:52:38,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 21:52:38,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 21:52:38,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 21:52:38,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 21:52:38,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 21:52:38,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 21:52:38,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 21:52:38,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 21:52:38,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 21:52:38,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 21:52:38,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 21:52:38,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 21:52:38,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 21:52:38,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 21:52:38,165 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 21:52:38,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 21:52:38,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 21:52:38,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 21:52:38,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 21:52:38,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 21:52:38,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 21:52:38,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 21:52:38,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 21:52:38,229 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 21:52:38,229 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 21:52:38,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 21:52:38,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 21:52:38,234 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 21:52:38,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 21:52:38,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 21:52:38,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 21:52:38,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 21:52:38,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 21:52:38,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 21:52:38,237 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 21:52:38,237 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 21:52:38,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 21:52:38,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 21:52:38,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 21:52:38,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 21:52:38,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 21:52:38,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:52:38,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 21:52:38,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 21:52:38,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 21:52:38,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 21:52:38,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 21:52:38,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 21:52:38,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 21:52:38,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 21:52:38,240 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 21:52:38,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 21:52:38,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 21:52:38,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 21:52:38,687 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 21:52:38,688 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 21:52:38,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2020-10-28 21:52:38,765 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98417cc8e/755d7d42fb694091ba88d11f21b4efc5/FLAGb9e2c1738 [2020-10-28 21:52:39,840 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 21:52:39,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2020-10-28 21:52:39,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98417cc8e/755d7d42fb694091ba88d11f21b4efc5/FLAGb9e2c1738 [2020-10-28 21:52:40,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/98417cc8e/755d7d42fb694091ba88d11f21b4efc5 [2020-10-28 21:52:40,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 21:52:40,366 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 21:52:40,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 21:52:40,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 21:52:40,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 21:52:40,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:52:40" (1/1) ... [2020-10-28 21:52:40,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8dca4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:40, skipping insertion in model container [2020-10-28 21:52:40,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:52:40" (1/1) ... [2020-10-28 21:52:40,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 21:52:40,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 21:52:41,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:52:41,520 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 21:52:41,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 21:52:41,957 INFO L208 MainTranslator]: Completed translation [2020-10-28 21:52:41,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:41 WrapperNode [2020-10-28 21:52:41,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 21:52:41,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 21:52:41,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 21:52:41,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 21:52:41,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:41" (1/1) ... [2020-10-28 21:52:41,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:41" (1/1) ... [2020-10-28 21:52:42,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:41" (1/1) ... [2020-10-28 21:52:42,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:41" (1/1) ... [2020-10-28 21:52:42,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:41" (1/1) ... [2020-10-28 21:52:42,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:41" (1/1) ... [2020-10-28 21:52:42,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:41" (1/1) ... [2020-10-28 21:52:42,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 21:52:42,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 21:52:42,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 21:52:42,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 21:52:42,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 21:52:42,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 21:52:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 21:52:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 21:52:42,307 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-28 21:52:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-28 21:52:42,308 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 21:52:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 21:52:42,309 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-28 21:52:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-28 21:52:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-28 21:52:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 21:52:42,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2020-10-28 21:52:42,311 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_dump_class_desc [2020-10-28 21:52:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_find_class_desc [2020-10-28 21:52:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2020-10-28 21:52:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_startup [2020-10-28 21:52:42,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_open [2020-10-28 21:52:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_prepare_write_buffer [2020-10-28 21:52:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_process_read_urb [2020-10-28 21:52:42,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios_callback [2020-10-28 21:52:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios [2020-10-28 21:52:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2020-10-28 21:52:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2020-10-28 21:52:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-28 21:52:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-28 21:52:42,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 21:52:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-28 21:52:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-28 21:52:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-28 21:52:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-28 21:52:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 21:52:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 21:52:42,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 21:52:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2020-10-28 21:52:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2020-10-28 21:52:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 21:52:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 21:52:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-28 21:52:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-28 21:52:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 21:52:42,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-28 21:52:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 21:52:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-28 21:52:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 21:52:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-28 21:52:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-28 21:52:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-28 21:52:42,319 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-28 21:52:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-28 21:52:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-28 21:52:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2020-10-28 21:52:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-28 21:52:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 21:52:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 21:52:42,320 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-28 21:52:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2020-10-28 21:52:42,321 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-28 21:52:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 21:52:42,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 21:52:42,322 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 21:52:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 21:52:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 21:52:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 21:52:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 21:52:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 21:52:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 21:52:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-28 21:52:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-28 21:52:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-28 21:52:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-28 21:52:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 21:52:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 21:52:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 21:52:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 21:52:42,326 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 21:52:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-28 21:52:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-28 21:52:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 21:52:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-28 21:52:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-28 21:52:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-28 21:52:42,327 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-28 21:52:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2020-10-28 21:52:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-28 21:52:42,328 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-28 21:52:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-28 21:52:42,329 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 21:52:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-28 21:52:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 21:52:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-28 21:52:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 21:52:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 21:52:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 21:52:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 21:52:42,330 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 21:52:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-28 21:52:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-28 21:52:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-28 21:52:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 21:52:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 21:52:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2020-10-28 21:52:42,331 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2020-10-28 21:52:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2020-10-28 21:52:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-28 21:52:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-28 21:52:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-28 21:52:42,332 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-28 21:52:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2020-10-28 21:52:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ir_startup [2020-10-28 21:52:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ir_open [2020-10-28 21:52:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ir_prepare_write_buffer [2020-10-28 21:52:42,333 INFO L130 BoogieDeclarations]: Found specification of procedure ir_process_read_urb [2020-10-28 21:52:42,334 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios [2020-10-28 21:52:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_dump_class_desc [2020-10-28 21:52:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_find_class_desc [2020-10-28 21:52:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2020-10-28 21:52:42,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 21:52:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios_callback [2020-10-28 21:52:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2020-10-28 21:52:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2020-10-28 21:52:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 21:52:42,336 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-28 21:52:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 21:52:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 21:52:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 21:52:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-28 21:52:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-28 21:52:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-28 21:52:42,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 21:52:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 21:52:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 21:52:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 21:52:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 21:52:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 21:52:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 21:52:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 21:52:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 21:52:42,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 21:52:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 21:52:42,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 21:52:43,125 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:52:43,248 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-28 21:52:43,248 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-28 21:52:43,280 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:52:43,320 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2020-10-28 21:52:43,321 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2020-10-28 21:52:43,647 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-28 21:52:43,653 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:52:43,679 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2020-10-28 21:52:43,679 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2020-10-28 21:52:47,593 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 21:52:47,703 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume false; [2020-10-28 21:52:47,703 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume !false; [2020-10-28 21:52:47,745 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 21:52:47,745 INFO L298 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-28 21:52:47,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:52:47 BoogieIcfgContainer [2020-10-28 21:52:47,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 21:52:47,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 21:52:47,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 21:52:47,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 21:52:47,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:52:40" (1/3) ... [2020-10-28 21:52:47,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5bd554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:52:47, skipping insertion in model container [2020-10-28 21:52:47,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:41" (2/3) ... [2020-10-28 21:52:47,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5bd554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:52:47, skipping insertion in model container [2020-10-28 21:52:47,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:52:47" (3/3) ... [2020-10-28 21:52:47,758 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2020-10-28 21:52:47,771 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 21:52:47,777 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 21:52:47,790 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 21:52:47,826 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 21:52:47,826 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 21:52:47,826 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 21:52:47,826 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 21:52:47,826 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 21:52:47,827 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 21:52:47,827 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 21:52:47,827 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 21:52:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states. [2020-10-28 21:52:47,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-28 21:52:47,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:52:47,864 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:52:47,864 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:52:47,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:52:47,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1725654207, now seen corresponding path program 1 times [2020-10-28 21:52:47,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:52:47,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851975482] [2020-10-28 21:52:47,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:52:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:52:48,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:52:52,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:52:53,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:52:53,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-28 21:52:53,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:52:53,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5090 [2020-10-28 21:52:53,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:52:53,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:52:53,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 21:52:53,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:52:53,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-28 21:52:53,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 21:52:56,990 WARN L193 SmtUtils]: Spent 3.07 s on a formula simplification that was a NOOP. DAG size: 691 [2020-10-28 21:52:56,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:52:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:52:57,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:52:58,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:52:58,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:52:58,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:52:58,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1300 [2020-10-28 21:52:58,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:52:58,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:52:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:52:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:52:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:52:58,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:52:58,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:52:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:52:58,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:52:58,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:52:58,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:52:58,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:52:58,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:52:58,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:52:58,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:52:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:52:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:52:58,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:52:58,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:52:58,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:52:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:52:58,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:52:58,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:52:58,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 21:52:58,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:52:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 21:52:58,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:52:58,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:52:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:52:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:52:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 21:52:58,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:52:58,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:52:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:52:58,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:52:58,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:52:58,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:52:58,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:52:58,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:52:58,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:52:58,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:52:58,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:52:58,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:52:58,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:52:58,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:52:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:52:58,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851975482] [2020-10-28 21:52:58,624 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:52:58,625 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:52:58,625 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936954377] [2020-10-28 21:52:58,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:52:58,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:52:58,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:52:58,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:52:58,665 INFO L87 Difference]: Start difference. First operand 447 states. Second operand 5 states. [2020-10-28 21:53:01,945 WARN L193 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-28 21:53:07,356 WARN L193 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 702 [2020-10-28 21:53:10,713 WARN L193 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 693 [2020-10-28 21:53:26,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:53:26,834 INFO L93 Difference]: Finished difference Result 1470 states and 2100 transitions. [2020-10-28 21:53:26,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 21:53:26,836 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-28 21:53:26,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:53:26,873 INFO L225 Difference]: With dead ends: 1470 [2020-10-28 21:53:26,873 INFO L226 Difference]: Without dead ends: 1063 [2020-10-28 21:53:26,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-28 21:53:26,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1063 states. [2020-10-28 21:53:27,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1063 to 791. [2020-10-28 21:53:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2020-10-28 21:53:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 976 transitions. [2020-10-28 21:53:27,551 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 976 transitions. Word has length 29 [2020-10-28 21:53:27,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:53:27,552 INFO L481 AbstractCegarLoop]: Abstraction has 791 states and 976 transitions. [2020-10-28 21:53:27,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:53:27,552 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 976 transitions. [2020-10-28 21:53:27,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-28 21:53:27,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:53:27,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:53:27,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 21:53:27,554 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:53:27,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:53:27,555 INFO L82 PathProgramCache]: Analyzing trace with hash -2140840293, now seen corresponding path program 1 times [2020-10-28 21:53:27,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:53:27,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846396516] [2020-10-28 21:53:27,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:53:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:27,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:29,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:32,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:32,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-28 21:53:32,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:53:32,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5183 [2020-10-28 21:53:32,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:32,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:53:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:53:32,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-28 21:53:32,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:53:36,041 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 691 [2020-10-28 21:53:36,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:53:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:36,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:37,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:37,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:53:37,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:37,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1279 [2020-10-28 21:53:37,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:37,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:37,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:53:37,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:37,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:53:37,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:53:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:53:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:37,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:37,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:37,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:53:37,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:53:37,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:37,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:53:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:37,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:53:37,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:53:37,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:53:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:37,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:37,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:37,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 21:53:37,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:37,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 21:53:37,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:37,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:53:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:37,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 21:53:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:53:37,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:53:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:37,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:37,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:53:37,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:53:37,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:53:37,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:53:37,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:53:37,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:53:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:53:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:53:37,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:53:37,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:53:37,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 21:53:37,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846396516] [2020-10-28 21:53:37,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:53:37,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 21:53:37,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427800949] [2020-10-28 21:53:37,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 21:53:37,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:53:37,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 21:53:37,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-28 21:53:37,620 INFO L87 Difference]: Start difference. First operand 791 states and 976 transitions. Second operand 5 states. [2020-10-28 21:53:40,656 WARN L193 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-28 21:53:45,838 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 702 [2020-10-28 21:53:48,922 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 693 [2020-10-28 21:53:56,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:53:56,519 INFO L93 Difference]: Finished difference Result 1062 states and 1384 transitions. [2020-10-28 21:53:56,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 21:53:56,520 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-28 21:53:56,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:53:56,529 INFO L225 Difference]: With dead ends: 1062 [2020-10-28 21:53:56,529 INFO L226 Difference]: Without dead ends: 1044 [2020-10-28 21:53:56,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-28 21:53:56,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2020-10-28 21:53:57,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 779. [2020-10-28 21:53:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2020-10-28 21:53:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 959 transitions. [2020-10-28 21:53:57,049 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 959 transitions. Word has length 30 [2020-10-28 21:53:57,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:53:57,049 INFO L481 AbstractCegarLoop]: Abstraction has 779 states and 959 transitions. [2020-10-28 21:53:57,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 21:53:57,049 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 959 transitions. [2020-10-28 21:53:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-28 21:53:57,057 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:53:57,058 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:53:57,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 21:53:57,058 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:53:57,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:53:57,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1773536882, now seen corresponding path program 1 times [2020-10-28 21:53:57,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:53:57,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055031827] [2020-10-28 21:53:57,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:53:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:53:57,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:53:59,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:00,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:02,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:02,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 21:54:02,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:54:02,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5461 [2020-10-28 21:54:02,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:02,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:02,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 21:54:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-28 21:54:02,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 21:54:02,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:05,912 WARN L193 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 691 [2020-10-28 21:54:05,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:54:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:05,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:06,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 536 [2020-10-28 21:54:06,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:06,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:06,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:54:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:54:06,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:54:06,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:06,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:54:06,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:54:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 21:54:06,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 21:54:06,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 21:54:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 21:54:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:06,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:54:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:06,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:54:06,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:06,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:06,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 21:54:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:06,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:54:06,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:54:06,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:54:06,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 21:54:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:54:06,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:54:06,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 21:54:06,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:06,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 21:54:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:06,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:54:06,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:54:06,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:06,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 21:54:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:06,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:54:06,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:54:06,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:06,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 21:54:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 21:54:06,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 21:54:06,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 21:54:06,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:06,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:54:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:54:06,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:54:06,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,905 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:06,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:06,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:54:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:54:06,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:54:06,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:06,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:06,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-28 21:54:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 21:54:06,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 21:54:06,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 21:54:06,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 21:54:06,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:54:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:06,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 21:54:06,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:06,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 21:54:06,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:06,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:06,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:06,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:06,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:06,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:06,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:54:06,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:06,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:06,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:07,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:54:07,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:07,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:54:07,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:07,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:07,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:07,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:07,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:07,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 21:54:07,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1055031827] [2020-10-28 21:54:07,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:54:07,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 21:54:07,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199026007] [2020-10-28 21:54:07,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 21:54:07,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:54:07,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 21:54:07,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 21:54:07,050 INFO L87 Difference]: Start difference. First operand 779 states and 959 transitions. Second operand 10 states. [2020-10-28 21:54:10,035 WARN L193 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-28 21:54:15,570 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 704 [2020-10-28 21:54:18,563 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 695 [2020-10-28 21:54:21,842 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification that was a NOOP. DAG size: 707 [2020-10-28 21:54:25,085 WARN L193 SmtUtils]: Spent 3.17 s on a formula simplification that was a NOOP. DAG size: 698 [2020-10-28 21:54:37,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:54:37,392 INFO L93 Difference]: Finished difference Result 1956 states and 2605 transitions. [2020-10-28 21:54:37,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 21:54:37,394 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2020-10-28 21:54:37,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:54:37,407 INFO L225 Difference]: With dead ends: 1956 [2020-10-28 21:54:37,407 INFO L226 Difference]: Without dead ends: 1200 [2020-10-28 21:54:37,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 18.8s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2020-10-28 21:54:37,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2020-10-28 21:54:37,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 798. [2020-10-28 21:54:37,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2020-10-28 21:54:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 990 transitions. [2020-10-28 21:54:37,951 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 990 transitions. Word has length 106 [2020-10-28 21:54:37,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:54:37,951 INFO L481 AbstractCegarLoop]: Abstraction has 798 states and 990 transitions. [2020-10-28 21:54:37,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 21:54:37,951 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 990 transitions. [2020-10-28 21:54:37,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-28 21:54:37,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:54:37,956 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:54:37,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 21:54:37,956 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:54:37,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:54:37,957 INFO L82 PathProgramCache]: Analyzing trace with hash 185938050, now seen corresponding path program 1 times [2020-10-28 21:54:37,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:54:37,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458704478] [2020-10-28 21:54:37,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:54:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:38,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:40,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:40,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:41,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:44,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:44,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 21:54:44,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 21:54:44,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6159 [2020-10-28 21:54:44,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:44,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:44,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 21:54:44,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:54:44,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 21:54:44,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:47,496 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification that was a NOOP. DAG size: 691 [2020-10-28 21:54:47,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:54:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:47,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:48,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:48,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:48,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:48,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1277 [2020-10-28 21:54:48,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:48,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:54:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:48,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 21:54:48,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:48,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:54:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:48,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:48,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:48,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:54:48,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:48,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:54:48,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:48,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:48,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:54:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 21:54:48,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:48,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:54:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:48,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:48,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:48,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 21:54:48,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:48,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 21:54:48,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:48,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:48,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:54:48,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:48,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 21:54:48,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:48,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:54:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:49,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:54:49,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:49,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 21:54:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:54:49,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:54:49,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:49,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:54:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:49,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:54:49,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:49,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 21:54:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:49,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:54:49,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 21:54:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:49,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:54:49,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 21:54:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:54:49,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 21:54:49,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 21:54:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 21:54:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 21:54:49,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 21:54:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:49,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:54:49,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:54:49,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 21:54:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:54:49,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:54:49,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 21:54:49,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 21:54:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 21:54:49,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 21:54:49,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 21:54:49,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:54:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:54:49,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:54:49,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:54:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:54:49,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:54:49,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:49,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 21:54:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 21:54:49,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 21:54:49,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 21:54:49,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:54:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 21:54:49,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:54:49,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:49,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:54:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:54:49,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:54:49,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:54:49,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:54:49,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:54:49,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:54:49,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:54:49,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:54:49,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:54:49,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:54:49,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:54:49,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:54:49,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 21:54:49,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458704478] [2020-10-28 21:54:49,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:54:49,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 21:54:49,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805834692] [2020-10-28 21:54:49,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 21:54:49,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:54:49,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 21:54:49,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 21:54:49,400 INFO L87 Difference]: Start difference. First operand 798 states and 990 transitions. Second operand 9 states. [2020-10-28 21:54:52,542 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-28 21:54:57,874 WARN L193 SmtUtils]: Spent 3.20 s on a formula simplification that was a NOOP. DAG size: 702 [2020-10-28 21:55:01,035 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 693 [2020-10-28 21:55:06,644 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification that was a NOOP. DAG size: 705 [2020-10-28 21:55:10,105 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification that was a NOOP. DAG size: 711 [2020-10-28 21:55:19,468 WARN L193 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 703 [2020-10-28 21:55:22,990 WARN L193 SmtUtils]: Spent 3.21 s on a formula simplification that was a NOOP. DAG size: 710 [2020-10-28 21:55:32,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:55:32,619 INFO L93 Difference]: Finished difference Result 3048 states and 4104 transitions. [2020-10-28 21:55:32,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 21:55:32,620 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-28 21:55:32,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:55:32,635 INFO L225 Difference]: With dead ends: 3048 [2020-10-28 21:55:32,635 INFO L226 Difference]: Without dead ends: 2283 [2020-10-28 21:55:32,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 25.6s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-10-28 21:55:32,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2283 states. [2020-10-28 21:55:33,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2283 to 1637. [2020-10-28 21:55:33,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1637 states. [2020-10-28 21:55:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2063 transitions. [2020-10-28 21:55:33,400 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2063 transitions. Word has length 116 [2020-10-28 21:55:33,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:55:33,401 INFO L481 AbstractCegarLoop]: Abstraction has 1637 states and 2063 transitions. [2020-10-28 21:55:33,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 21:55:33,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2063 transitions. [2020-10-28 21:55:33,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-28 21:55:33,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:55:33,411 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:55:33,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 21:55:33,411 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:55:33,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:55:33,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1002022398, now seen corresponding path program 1 times [2020-10-28 21:55:33,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:55:33,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [720191818] [2020-10-28 21:55:33,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:55:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:33,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:35,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:35,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:38,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:38,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-28 21:55:38,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:55:38,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5204 [2020-10-28 21:55:38,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:38,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:38,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 21:55:38,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-28 21:55:38,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 21:55:38,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:41,890 WARN L193 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 691 [2020-10-28 21:55:41,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:55:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:41,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:55:42,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 356 [2020-10-28 21:55:42,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,271 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:55:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:55:42,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:55:42,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:55:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 21:55:42,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 21:55:42,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:55:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:55:42,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:55:42,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,401 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 21:55:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:55:42,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:55:42,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:55:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:55:42,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:55:42,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 21:55:42,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 21:55:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:55:42,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:55:42,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 21:55:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:55:42,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:55:42,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 21:55:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:55:42,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:55:42,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-28 21:55:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:55:42,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:55:42,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 21:55:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 21:55:42,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 21:55:42,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 21:55:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 21:55:42,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:55:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:55:42,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 21:55:42,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:55:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:55:42,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:55:42,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-28 21:55:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 21:55:42,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 21:55:42,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 21:55:42,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:55:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 21:55:42,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 21:55:42,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:55:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:55:42,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:55:42,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:55:42,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 21:55:42,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:55:42,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:55:42,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:55:42,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:55:42,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:55:42,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:55:42,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:55:42,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:55:42,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 21:55:42,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [720191818] [2020-10-28 21:55:42,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 21:55:42,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 21:55:42,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306618322] [2020-10-28 21:55:42,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 21:55:42,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 21:55:42,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 21:55:42,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-28 21:55:42,787 INFO L87 Difference]: Start difference. First operand 1637 states and 2063 transitions. Second operand 9 states. [2020-10-28 21:55:45,780 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 700 [2020-10-28 21:56:01,278 WARN L193 SmtUtils]: Spent 3.16 s on a formula simplification that was a NOOP. DAG size: 707 [2020-10-28 21:56:05,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 21:56:05,117 INFO L93 Difference]: Finished difference Result 3726 states and 4962 transitions. [2020-10-28 21:56:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 21:56:05,118 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2020-10-28 21:56:05,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 21:56:05,132 INFO L225 Difference]: With dead ends: 3726 [2020-10-28 21:56:05,132 INFO L226 Difference]: Without dead ends: 2122 [2020-10-28 21:56:05,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-28 21:56:05,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2020-10-28 21:56:05,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 1566. [2020-10-28 21:56:05,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1566 states. [2020-10-28 21:56:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1566 states and 1948 transitions. [2020-10-28 21:56:05,976 INFO L78 Accepts]: Start accepts. Automaton has 1566 states and 1948 transitions. Word has length 116 [2020-10-28 21:56:05,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 21:56:05,977 INFO L481 AbstractCegarLoop]: Abstraction has 1566 states and 1948 transitions. [2020-10-28 21:56:05,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 21:56:05,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1948 transitions. [2020-10-28 21:56:05,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-28 21:56:05,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 21:56:05,980 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 21:56:05,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 21:56:05,981 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 21:56:05,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 21:56:05,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1216658822, now seen corresponding path program 1 times [2020-10-28 21:56:05,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 21:56:05,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2127961489] [2020-10-28 21:56:05,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 21:56:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:06,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:08,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:08,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:11,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:11,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-28 21:56:11,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 21:56:11,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5075 [2020-10-28 21:56:11,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:11,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:11,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 21:56:11,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-28 21:56:11,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 21:56:11,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,214 WARN L193 SmtUtils]: Spent 2.97 s on a formula simplification that was a NOOP. DAG size: 691 [2020-10-28 21:56:14,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 21:56:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:56:14,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:14,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-10-28 21:56:14,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:56:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:14,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:56:14,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 21:56:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 21:56:14,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:14,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 21:56:14,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:56:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:14,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:56:14,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 21:56:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 21:56:14,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:14,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 21:56:14,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:56:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:14,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:56:14,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:56:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:56:14,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:14,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 21:56:14,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:56:14,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:14,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:56:14,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 21:56:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:56:14,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:14,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:56:14,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:56:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:14,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:56:14,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 21:56:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:56:14,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:14,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 21:56:14,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:56:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:14,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:56:14,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 21:56:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-28 21:56:14,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 21:56:14,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-10-28 21:56:14,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 21:56:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-28 21:56:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 21:56:14,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-28 21:56:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:56:14,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:14,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:56:14,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:56:14,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:14,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:56:14,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-28 21:56:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 21:56:14,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:14,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 21:56:14,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:56:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:14,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:56:14,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 21:56:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:56:14,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:14,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:56:14,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:56:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:56:14,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 21:56:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:14,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:14,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 21:56:14,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:14,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 21:56:14,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:14,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:14,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 21:56:14,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:14,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 21:56:14,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:14,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 21:56:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:14,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:15,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:15,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 21:56:15,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:15,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 21:56:15,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:15,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:15,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 21:56:15,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 21:56:15,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 21:56:15,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 21:56:15,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 21:56:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 21:56:15,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 21:56:15,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 21:56:15,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 21:56:15,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 21:56:15,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 21:56:15,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 21:56:15,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 21:56:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 21:56:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 21:56:15,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 21:56:15,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0