/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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=0.4 --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 -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 12:14:30,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 12:14:30,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 12:14:30,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 12:14:30,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 12:14:30,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 12:14:30,295 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 12:14:30,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 12:14:30,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 12:14:30,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 12:14:30,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 12:14:30,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 12:14:30,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 12:14:30,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 12:14:30,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 12:14:30,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 12:14:30,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 12:14:30,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 12:14:30,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 12:14:30,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 12:14:30,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 12:14:30,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 12:14:30,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 12:14:30,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 12:14:30,347 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 12:14:30,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 12:14:30,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 12:14:30,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 12:14:30,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 12:14:30,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 12:14:30,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 12:14:30,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 12:14:30,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 12:14:30,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 12:14:30,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 12:14:30,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 12:14:30,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 12:14:30,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 12:14:30,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 12:14:30,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 12:14:30,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 12:14:30,366 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 [2020-10-14 12:14:30,405 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 12:14:30,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 12:14:30,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 12:14:30,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 12:14:30,408 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 12:14:30,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 12:14:30,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 12:14:30,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 12:14:30,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 12:14:30,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 12:14:30,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 12:14:30,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 12:14:30,410 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 12:14:30,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 12:14:30,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 12:14:30,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 12:14:30,411 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 12:14:30,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 12:14:30,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 12:14:30,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 12:14:30,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 12:14:30,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 12:14:30,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 12:14:30,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 12:14:30,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 12:14:30,413 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 12:14:30,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-14 12:14:30,414 INFO L138 SettingsManager]: * To the following directory=dump/ 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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=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=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 12:14:30,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 12:14:30,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 12:14:30,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 12:14:30,751 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 12:14:30,752 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 12:14:30,753 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2020-10-14 12:14:30,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf5779747/c5b9ed7a4bac4679b1384bac9cc200ac/FLAG078658902 [2020-10-14 12:14:31,635 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 12:14:31,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2020-10-14 12:14:31,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf5779747/c5b9ed7a4bac4679b1384bac9cc200ac/FLAG078658902 [2020-10-14 12:14:32,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf5779747/c5b9ed7a4bac4679b1384bac9cc200ac [2020-10-14 12:14:32,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 12:14:32,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 12:14:32,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 12:14:32,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 12:14:32,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 12:14:32,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:14:32" (1/1) ... [2020-10-14 12:14:32,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c79f013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:32, skipping insertion in model container [2020-10-14 12:14:32,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:14:32" (1/1) ... [2020-10-14 12:14:32,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 12:14:32,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 12:14:33,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:14:33,563 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 12:14:33,791 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 12:14:33,907 INFO L208 MainTranslator]: Completed translation [2020-10-14 12:14:33,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:33 WrapperNode [2020-10-14 12:14:33,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 12:14:33,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 12:14:33,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 12:14:33,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 12:14:33,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:33" (1/1) ... [2020-10-14 12:14:33,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:33" (1/1) ... [2020-10-14 12:14:34,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:33" (1/1) ... [2020-10-14 12:14:34,012 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:33" (1/1) ... [2020-10-14 12:14:34,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:33" (1/1) ... [2020-10-14 12:14:34,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:33" (1/1) ... [2020-10-14 12:14:34,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:33" (1/1) ... [2020-10-14 12:14:34,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 12:14:34,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 12:14:34,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 12:14:34,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 12:14:34,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:33" (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 [2020-10-14 12:14:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 12:14:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 12:14:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-14 12:14:34,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-14 12:14:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-14 12:14:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-14 12:14:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-14 12:14:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-14 12:14:34,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-14 12:14:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-14 12:14:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2020-10-14 12:14:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_dump_class_desc [2020-10-14 12:14:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_usb_find_class_desc [2020-10-14 12:14:34,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2020-10-14 12:14:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_startup [2020-10-14 12:14:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_open [2020-10-14 12:14:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_prepare_write_buffer [2020-10-14 12:14:34,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_process_read_urb [2020-10-14 12:14:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios_callback [2020-10-14 12:14:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_set_termios [2020-10-14 12:14:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2020-10-14 12:14:34,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2020-10-14 12:14:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-14 12:14:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-14 12:14:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 12:14:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-14 12:14:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-14 12:14:34,288 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-14 12:14:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-14 12:14:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-14 12:14:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-14 12:14:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-14 12:14:34,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2020-10-14 12:14:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2020-10-14 12:14:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-14 12:14:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-14 12:14:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-14 12:14:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:14:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-14 12:14:34,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-14 12:14:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-14 12:14:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-14 12:14:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-14 12:14:34,291 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_encode_baud_rate [2020-10-14 12:14:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-14 12:14:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_get_baud_rate [2020-10-14 12:14:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-14 12:14:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-14 12:14:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-14 12:14:34,292 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2020-10-14 12:14:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2020-10-14 12:14:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-14 12:14:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-14 12:14:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-14 12:14:34,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2020-10-14 12:14:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-14 12:14:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-14 12:14:34,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-14 12:14:34,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 12:14:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-14 12:14:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-14 12:14:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-14 12:14:34,295 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-14 12:14:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-14 12:14:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-14 12:14:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-14 12:14:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-14 12:14:34,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-14 12:14:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-14 12:14:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-14 12:14:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-14 12:14:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-14 12:14:34,297 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-14 12:14:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-14 12:14:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure tty_get_baud_rate [2020-10-14 12:14:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure tty_encode_baud_rate [2020-10-14 12:14:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2020-10-14 12:14:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-14 12:14:34,298 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-14 12:14:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-14 12:14:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-14 12:14:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-14 12:14:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 12:14:34,299 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-14 12:14:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-14 12:14:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 12:14:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 12:14:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-14 12:14:34,300 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-14 12:14:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-14 12:14:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-14 12:14:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-14 12:14:34,301 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2020-10-14 12:14:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-14 12:14:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 12:14:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2020-10-14 12:14:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2020-10-14 12:14:34,302 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2020-10-14 12:14:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-14 12:14:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-14 12:14:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-14 12:14:34,303 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-14 12:14:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2020-10-14 12:14:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure ir_startup [2020-10-14 12:14:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure ir_open [2020-10-14 12:14:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure ir_prepare_write_buffer [2020-10-14 12:14:34,304 INFO L130 BoogieDeclarations]: Found specification of procedure ir_process_read_urb [2020-10-14 12:14:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios [2020-10-14 12:14:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_dump_class_desc [2020-10-14 12:14:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure irda_usb_find_class_desc [2020-10-14 12:14:34,305 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2020-10-14 12:14:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 12:14:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure ir_set_termios_callback [2020-10-14 12:14:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2020-10-14 12:14:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2020-10-14 12:14:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-14 12:14:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-14 12:14:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-14 12:14:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 12:14:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 12:14:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-14 12:14:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-14 12:14:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-14 12:14:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-14 12:14:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-14 12:14:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 12:14:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-14 12:14:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 12:14:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-14 12:14:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 12:14:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 12:14:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 12:14:34,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 12:14:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-14 12:14:34,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 12:14:35,271 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:14:35,381 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume !false; [2020-10-14 12:14:35,382 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume false; [2020-10-14 12:14:35,417 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:14:35,461 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2020-10-14 12:14:35,461 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2020-10-14 12:14:35,862 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-14 12:14:35,868 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:14:35,900 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2020-10-14 12:14:35,900 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2020-10-14 12:14:39,299 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-14 12:14:39,391 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume false; [2020-10-14 12:14:39,391 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume !false; [2020-10-14 12:14:39,504 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 12:14:39,504 INFO L295 CfgBuilder]: Removed 27 assume(true) statements. [2020-10-14 12:14:39,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:14:39 BoogieIcfgContainer [2020-10-14 12:14:39,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 12:14:39,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 12:14:39,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 12:14:39,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 12:14:39,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 12:14:32" (1/3) ... [2020-10-14 12:14:39,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74620bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:14:39, skipping insertion in model container [2020-10-14 12:14:39,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:14:33" (2/3) ... [2020-10-14 12:14:39,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74620bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 12:14:39, skipping insertion in model container [2020-10-14 12:14:39,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:14:39" (3/3) ... [2020-10-14 12:14:39,527 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2020-10-14 12:14:39,538 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 12:14:39,548 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 12:14:39,562 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 12:14:39,592 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 12:14:39,592 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 12:14:39,592 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 12:14:39,592 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 12:14:39,593 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 12:14:39,593 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 12:14:39,593 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 12:14:39,593 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 12:14:39,641 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states. [2020-10-14 12:14:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-14 12:14:39,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:14:39,652 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] [2020-10-14 12:14:39,653 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:14:39,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:14:39,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1673863520, now seen corresponding path program 1 times [2020-10-14 12:14:39,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:14:39,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955271878] [2020-10-14 12:14:39,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:14:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:40,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:42,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:46,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:46,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-14 12:14:46,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:14:46,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5799 [2020-10-14 12:14:46,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:46,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:46,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:14:46,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:14:46,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-14 12:14:46,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 12:14:48,539 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 679 [2020-10-14 12:14:48,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:14:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:48,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:49,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:49,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:14:49,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:49,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1215 [2020-10-14 12:14:49,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:49,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:49,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:49,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:49,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:14:49,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:49,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:14:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:49,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:49,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:49,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:14:49,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:49,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:14:49,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:49,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:49,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:49,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:49,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:14:49,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:49,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:14:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:49,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:50,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:50,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 12:14:50,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:50,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-14 12:14:50,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:50,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:14:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:50,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 12:14:50,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:50,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:14:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:14:50,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:14:50,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:14:50,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:14:50,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:14:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:14:50,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:14:50,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:14:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:14:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:14:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:14:50,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:14:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:14:50,085 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955271878] [2020-10-14 12:14:50,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:14:50,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 12:14:50,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080646053] [2020-10-14 12:14:50,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 12:14:50,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:14:50,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 12:14:50,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:14:50,125 INFO L87 Difference]: Start difference. First operand 442 states. Second operand 5 states. [2020-10-14 12:14:52,217 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 688 [2020-10-14 12:14:56,525 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 690 [2020-10-14 12:14:58,572 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 681 [2020-10-14 12:15:12,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:15:12,208 INFO L93 Difference]: Finished difference Result 1461 states and 2086 transitions. [2020-10-14 12:15:12,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-14 12:15:12,210 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-10-14 12:15:12,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:15:12,244 INFO L225 Difference]: With dead ends: 1461 [2020-10-14 12:15:12,244 INFO L226 Difference]: Without dead ends: 1059 [2020-10-14 12:15:12,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-14 12:15:12,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2020-10-14 12:15:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 789. [2020-10-14 12:15:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2020-10-14 12:15:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 974 transitions. [2020-10-14 12:15:12,755 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 974 transitions. Word has length 27 [2020-10-14 12:15:12,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:15:12,755 INFO L479 AbstractCegarLoop]: Abstraction has 789 states and 974 transitions. [2020-10-14 12:15:12,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 12:15:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 974 transitions. [2020-10-14 12:15:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-14 12:15:12,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:15:12,757 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] [2020-10-14 12:15:12,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 12:15:12,757 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:15:12,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:15:12,758 INFO L82 PathProgramCache]: Analyzing trace with hash 349985831, now seen corresponding path program 1 times [2020-10-14 12:15:12,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:15:12,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054014638] [2020-10-14 12:15:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:15:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:12,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:15,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:17,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:17,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-14 12:15:17,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:15:17,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-14 12:15:17,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:17,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:15:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:15:17,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-10-14 12:15:17,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:20,154 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 679 [2020-10-14 12:15:20,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:15:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:20,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:21,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:21,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:21,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:21,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1262 [2020-10-14 12:15:21,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:21,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:21,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:15:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:21,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:15:21,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:21,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:15:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:21,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:21,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:21,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:15:21,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:21,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:15:21,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:21,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:21,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:15:21,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:21,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:15:21,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 12:15:21,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:15:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:21,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:21,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:21,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 12:15:21,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:21,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 12:15:21,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:21,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:21,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:15:21,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:21,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-14 12:15:21,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:21,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:15:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:21,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:21,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:21,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:21,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:21,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:15:21,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:21,703 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:21,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:21,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:21,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:21,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:15:21,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054014638] [2020-10-14 12:15:21,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:15:21,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 12:15:21,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471431263] [2020-10-14 12:15:21,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 12:15:21,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:15:21,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 12:15:21,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-14 12:15:21,723 INFO L87 Difference]: Start difference. First operand 789 states and 974 transitions. Second operand 5 states. [2020-10-14 12:15:24,125 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 688 [2020-10-14 12:15:28,369 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 690 [2020-10-14 12:15:30,468 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 681 [2020-10-14 12:15:36,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:15:36,848 INFO L93 Difference]: Finished difference Result 1058 states and 1380 transitions. [2020-10-14 12:15:36,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 12:15:36,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-14 12:15:36,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:15:36,867 INFO L225 Difference]: With dead ends: 1058 [2020-10-14 12:15:36,867 INFO L226 Difference]: Without dead ends: 1042 [2020-10-14 12:15:36,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-14 12:15:36,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2020-10-14 12:15:37,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 777. [2020-10-14 12:15:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 777 states. [2020-10-14 12:15:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 777 states and 957 transitions. [2020-10-14 12:15:37,322 INFO L78 Accepts]: Start accepts. Automaton has 777 states and 957 transitions. Word has length 28 [2020-10-14 12:15:37,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:15:37,323 INFO L479 AbstractCegarLoop]: Abstraction has 777 states and 957 transitions. [2020-10-14 12:15:37,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 12:15:37,323 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 957 transitions. [2020-10-14 12:15:37,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-14 12:15:37,331 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:15:37,331 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] [2020-10-14 12:15:37,331 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 12:15:37,332 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:15:37,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:15:37,332 INFO L82 PathProgramCache]: Analyzing trace with hash 855410552, now seen corresponding path program 1 times [2020-10-14 12:15:37,332 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:15:37,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1617759094] [2020-10-14 12:15:37,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:15:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:37,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:39,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:39,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:42,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:42,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-14 12:15:42,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 12:15:42,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5505 [2020-10-14 12:15:42,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:42,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:42,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 12:15:42,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-14 12:15:42,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-14 12:15:42,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:45,315 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 679 [2020-10-14 12:15:45,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:15:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:45,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:45,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:45,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:45,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:45,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 622 [2020-10-14 12:15:45,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:45,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:45,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:45,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:45,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:15:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:15:46,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:15:46,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:46,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:15:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-14 12:15:46,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-14 12:15:46,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:15:46,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:46,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-14 12:15:46,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:15:46,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:15:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:15:46,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-14 12:15:46,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:46,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:15:46,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:15:46,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 12:15:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 12:15:46,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:15:46,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 12:15:46,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-14 12:15:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:46,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:15:46,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:15:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-14 12:15:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:15:46,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:15:46,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:15:46,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-14 12:15:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 12:15:46,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 12:15:46,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 12:15:46,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:15:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:15:46,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-14 12:15:46,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:15:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:15:46,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:15:46,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:46,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-14 12:15:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:15:46,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:15:46,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 12:15:46,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:15:46,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:15:46,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:46,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:15:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:15:46,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:15:46,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:15:46,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:15:46,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:15:46,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:15:46,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:15:46,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:15:46,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:15:46,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:15:46,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:15:46,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:15:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 12:15:46,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1617759094] [2020-10-14 12:15:46,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:15:46,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 12:15:46,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484084215] [2020-10-14 12:15:46,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 12:15:46,557 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:15:46,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 12:15:46,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-14 12:15:46,559 INFO L87 Difference]: Start difference. First operand 777 states and 957 transitions. Second operand 10 states. [2020-10-14 12:15:48,849 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 688 [2020-10-14 12:15:53,412 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 683 [2020-10-14 12:15:55,523 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 692 [2020-10-14 12:15:57,609 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 686 [2020-10-14 12:15:59,780 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 695 [2020-10-14 12:16:11,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:16:11,528 INFO L93 Difference]: Finished difference Result 1952 states and 2601 transitions. [2020-10-14 12:16:11,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-14 12:16:11,529 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2020-10-14 12:16:11,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:16:11,538 INFO L225 Difference]: With dead ends: 1952 [2020-10-14 12:16:11,538 INFO L226 Difference]: Without dead ends: 1198 [2020-10-14 12:16:11,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=105, Invalid=315, Unknown=0, NotChecked=0, Total=420 [2020-10-14 12:16:11,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-10-14 12:16:11,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 796. [2020-10-14 12:16:11,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2020-10-14 12:16:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 988 transitions. [2020-10-14 12:16:11,914 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 988 transitions. Word has length 104 [2020-10-14 12:16:11,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:16:11,914 INFO L479 AbstractCegarLoop]: Abstraction has 796 states and 988 transitions. [2020-10-14 12:16:11,914 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 12:16:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 988 transitions. [2020-10-14 12:16:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 12:16:11,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:16:11,923 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] [2020-10-14 12:16:11,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 12:16:11,923 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:16:11,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:16:11,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1211947672, now seen corresponding path program 1 times [2020-10-14 12:16:11,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:16:11,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518917316] [2020-10-14 12:16:11,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:16:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:12,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:15,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:17,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:17,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 12:16:17,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:16:17,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5119 [2020-10-14 12:16:17,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:17,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:16:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 12:16:17,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:16:17,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:19,484 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 679 [2020-10-14 12:16:19,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:16:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:19,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:19,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:19,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:19,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:19,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 373 [2020-10-14 12:16:19,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:19,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:19,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:19,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:19,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:16:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:19,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:19,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:19,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:16:19,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:19,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:19,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:19,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:19,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:19,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:19,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:19,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:16:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 12:16:20,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-14 12:16:20,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:16:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:20,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:20,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 12:16:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:16:20,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:16:20,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:20,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:16:20,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,064 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 12:16:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:20,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:16:20,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,080 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 12:16:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 12:16:20,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:16:20,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 12:16:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:20,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:16:20,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 12:16:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:20,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:20,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 12:16:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 12:16:20,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 12:16:20,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:16:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 12:16:20,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:16:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:16:20,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-14 12:16:20,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:16:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:16:20,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:16:20,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 12:16:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:16:20,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-14 12:16:20,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 12:16:20,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:16:20,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:16:20,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:20,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:20,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:20,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:20,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:16:20,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:20,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:16:20,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:20,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:20,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:20,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:20,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:20,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 12:16:20,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518917316] [2020-10-14 12:16:20,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:16:20,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 12:16:20,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785133907] [2020-10-14 12:16:20,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 12:16:20,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:16:20,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 12:16:20,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-14 12:16:20,425 INFO L87 Difference]: Start difference. First operand 796 states and 988 transitions. Second operand 9 states. [2020-10-14 12:16:22,436 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 688 [2020-10-14 12:16:33,989 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 695 [2020-10-14 12:16:36,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:16:36,526 INFO L93 Difference]: Finished difference Result 1910 states and 2555 transitions. [2020-10-14 12:16:36,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-14 12:16:36,527 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2020-10-14 12:16:36,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:16:36,537 INFO L225 Difference]: With dead ends: 1910 [2020-10-14 12:16:36,537 INFO L226 Difference]: Without dead ends: 1147 [2020-10-14 12:16:36,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2020-10-14 12:16:36,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2020-10-14 12:16:36,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 754. [2020-10-14 12:16:36,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-10-14 12:16:36,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 924 transitions. [2020-10-14 12:16:36,964 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 924 transitions. Word has length 114 [2020-10-14 12:16:36,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:16:36,964 INFO L479 AbstractCegarLoop]: Abstraction has 754 states and 924 transitions. [2020-10-14 12:16:36,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 12:16:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 924 transitions. [2020-10-14 12:16:36,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-14 12:16:36,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:16:36,968 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] [2020-10-14 12:16:36,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 12:16:36,968 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:16:36,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:16:36,969 INFO L82 PathProgramCache]: Analyzing trace with hash -2122178638, now seen corresponding path program 1 times [2020-10-14 12:16:36,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:16:36,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2002389644] [2020-10-14 12:16:36,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:16:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:37,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:38,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:38,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:42,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:42,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-14 12:16:42,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 12:16:42,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5108 [2020-10-14 12:16:42,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:42,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:42,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:16:42,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 116 [2020-10-14 12:16:42,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:16:42,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:44,215 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 679 [2020-10-14 12:16:44,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:16:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:44,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:44,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:44,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:44,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:44,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 305 [2020-10-14 12:16:44,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:44,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:44,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:44,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:44,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:16:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:44,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:44,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:44,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:16:44,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:44,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 12:16:44,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:44,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:44,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:44,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:44,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:44,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:16:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:44,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:44,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:44,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 12:16:44,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:44,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:16:44,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:44,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:44,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:44,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:16:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:44,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:44,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:44,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:44,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:44,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:44,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:44,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:44,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:44,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:44,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:44,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:44,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 12:16:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:44,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:44,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:44,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:16:44,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:44,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:16:44,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:44,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:44,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:44,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:16:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:44,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:44,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:44,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:44,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:44,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:44,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:44,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:44,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:44,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:44,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 12:16:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:44,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:44,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:44,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:44,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-14 12:16:44,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:16:44,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 236 [2020-10-14 12:16:44,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:44,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:44,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 12:16:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 12:16:44,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:16:44,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:45,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 12:16:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:45,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:45,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:45,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:45,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:45,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:45,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:45,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:45,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:45,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:45,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:45,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-14 12:16:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:45,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:45,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 12:16:45,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:45,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:16:45,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:45,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:45,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:45,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 12:16:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:45,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:45,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:45,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:45,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:45,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:45,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:45,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:45,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:45,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-14 12:16:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:45,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:45,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:45,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:45,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:16:45,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:45,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:45,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:45,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:45,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-14 12:16:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:45,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:45,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 12:16:45,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:16:45,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-14 12:16:45,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:45,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:45,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:16:45,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:45,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-14 12:16:45,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:45,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:16:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:45,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:45,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:16:45,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:45,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-14 12:16:45,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:45,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:45,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:45,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:45,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:45,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:45,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:16:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:45,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:45,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:16:45,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:45,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:16:45,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:45,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:45,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:45,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:45,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:45,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-14 12:16:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:45,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:45,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-14 12:16:45,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:45,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:16:45,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:45,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:45,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:45,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-14 12:16:45,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:45,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:45,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:16:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:45,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:45,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:45,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:45,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:16:45,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:45,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:45,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:45,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:45,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:16:45,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-10-14 12:16:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:16:45,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:16:45,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:16:45,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:16:45,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:16:45,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:16:45,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:16:45,350 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:16:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:16:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:16:45,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:16:45,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:16:45,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 12:16:45,394 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2002389644] [2020-10-14 12:16:45,394 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:16:45,394 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 12:16:45,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153806216] [2020-10-14 12:16:45,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 12:16:45,395 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:16:45,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 12:16:45,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-14 12:16:45,396 INFO L87 Difference]: Start difference. First operand 754 states and 924 transitions. Second operand 10 states. [2020-10-14 12:16:47,471 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 688 [2020-10-14 12:17:00,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:17:00,035 INFO L93 Difference]: Finished difference Result 1556 states and 2104 transitions. [2020-10-14 12:17:00,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-14 12:17:00,036 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-10-14 12:17:00,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:17:00,044 INFO L225 Difference]: With dead ends: 1556 [2020-10-14 12:17:00,044 INFO L226 Difference]: Without dead ends: 1165 [2020-10-14 12:17:00,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2020-10-14 12:17:00,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2020-10-14 12:17:00,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 743. [2020-10-14 12:17:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-10-14 12:17:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 909 transitions. [2020-10-14 12:17:00,358 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 909 transitions. Word has length 110 [2020-10-14 12:17:00,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:17:00,359 INFO L479 AbstractCegarLoop]: Abstraction has 743 states and 909 transitions. [2020-10-14 12:17:00,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 12:17:00,359 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 909 transitions. [2020-10-14 12:17:00,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 12:17:00,361 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:17:00,362 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] [2020-10-14 12:17:00,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 12:17:00,362 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:17:00,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:17:00,363 INFO L82 PathProgramCache]: Analyzing trace with hash -1200631545, now seen corresponding path program 1 times [2020-10-14 12:17:00,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:17:00,363 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222575680] [2020-10-14 12:17:00,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:17:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:00,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:02,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:04,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:05,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:05,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 12:17:05,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 12:17:05,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5083 [2020-10-14 12:17:05,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:05,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-14 12:17:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:17:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-14 12:17:05,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:07,735 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 679 [2020-10-14 12:17:07,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:17:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:07,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:08,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 722 [2020-10-14 12:17:08,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:17:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-14 12:17:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:08,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:17:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:17:08,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:17:08,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:17:08,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:08,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-14 12:17:08,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:08,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:17:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 12:17:08,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-14 12:17:08,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 12:17:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-14 12:17:08,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-14 12:17:08,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:08,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:17:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:08,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:17:08,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:17:08,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:08,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:17:08,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:08,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 12:17:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:17:08,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:17:08,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 12:17:08,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:08,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 12:17:08,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:08,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:08,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:17:08,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,726 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:08,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:08,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 12:17:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:08,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 12:17:08,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:17:08,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:08,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 12:17:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 12:17:08,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:17:08,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-14 12:17:08,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:08,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 12:17:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:08,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:17:08,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:17:08,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:08,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 12:17:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:08,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:17:08,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 12:17:08,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:08,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 12:17:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 12:17:08,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:17:08,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-14 12:17:08,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-14 12:17:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:08,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:17:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:17:08,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:17:08,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:08,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:17:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:17:08,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:17:08,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:08,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:08,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 12:17:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:17:08,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 12:17:08,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 12:17:08,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:08,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:17:08,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:17:08,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,948 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 12:17:08,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:08,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:08,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:08,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:17:08,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:08,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:17:08,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:08,960 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:08,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:08,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:08,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:08,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-14 12:17:08,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222575680] [2020-10-14 12:17:08,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 12:17:08,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-14 12:17:08,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169958578] [2020-10-14 12:17:08,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-14 12:17:08,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:17:08,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-14 12:17:08,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-14 12:17:08,992 INFO L87 Difference]: Start difference. First operand 743 states and 909 transitions. Second operand 9 states. [2020-10-14 12:17:10,966 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 688 [2020-10-14 12:17:15,583 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 692 [2020-10-14 12:17:17,773 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 696 [2020-10-14 12:17:32,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:17:32,637 INFO L93 Difference]: Finished difference Result 2669 states and 3475 transitions. [2020-10-14 12:17:32,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-14 12:17:32,639 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 114 [2020-10-14 12:17:32,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:17:32,649 INFO L225 Difference]: With dead ends: 2669 [2020-10-14 12:17:32,650 INFO L226 Difference]: Without dead ends: 1938 [2020-10-14 12:17:32,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2020-10-14 12:17:32,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2020-10-14 12:17:33,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1344. [2020-10-14 12:17:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2020-10-14 12:17:33,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1677 transitions. [2020-10-14 12:17:33,471 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1677 transitions. Word has length 114 [2020-10-14 12:17:33,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:17:33,471 INFO L479 AbstractCegarLoop]: Abstraction has 1344 states and 1677 transitions. [2020-10-14 12:17:33,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-14 12:17:33,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1677 transitions. [2020-10-14 12:17:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 12:17:33,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:17:33,475 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] [2020-10-14 12:17:33,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 12:17:33,475 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:17:33,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:17:33,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1060941705, now seen corresponding path program 1 times [2020-10-14 12:17:33,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:17:33,476 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057912151] [2020-10-14 12:17:33,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:17:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:33,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:35,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:38,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:38,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 156 [2020-10-14 12:17:38,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-14 12:17:38,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5186 [2020-10-14 12:17:38,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:38,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 12:17:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-14 12:17:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 12:17:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:40,751 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 679 [2020-10-14 12:17:40,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:17:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:40,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:41,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 557 [2020-10-14 12:17:41,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 12:17:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 12:17:41,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 12:17:41,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,380 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 12:17:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-14 12:17:41,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:17:41,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:17:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:41,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:17:41,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-14 12:17:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:17:41,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 12:17:41,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,436 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:41,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:17:41,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:41,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-14 12:17:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:41,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 12:17:41,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-14 12:17:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-14 12:17:41,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 12:17:41,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-14 12:17:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:41,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 12:17:41,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-14 12:17:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 12:17:41,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 12:17:41,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-14 12:17:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-14 12:17:41,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 12:17:41,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-14 12:17:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-14 12:17:41,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 12:17:41,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-14 12:17:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 12:17:41,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-14 12:17:41,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 12:17:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-14 12:17:41,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 12:17:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:17:41,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 12:17:41,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-14 12:17:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 12:17:41,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 12:17:41,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-14 12:17:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 12:17:41,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 12:17:41,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 12:17:41,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-14 12:17:41,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 12:17:41,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 12:17:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:17:41,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 12:17:41,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 12:17:41,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 12:17:41,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 12:17:41,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 12:17:41,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 12:17:41,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 12:17:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 12:17:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 12:17:41,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 12:17:41,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 12:17:41,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-14 12:17:41,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057912151] [2020-10-14 12:17:41,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-14 12:17:41,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-14 12:17:41,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244481988] [2020-10-14 12:17:41,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 12:17:41,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 12:17:41,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 12:17:41,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-14 12:17:41,764 INFO L87 Difference]: Start difference. First operand 1344 states and 1677 transitions. Second operand 11 states. [2020-10-14 12:17:43,969 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 688 [2020-10-14 12:17:49,951 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 693 [2020-10-14 12:17:59,042 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 693 [2020-10-14 12:18:01,257 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 693 [2020-10-14 12:18:03,547 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 693 [2020-10-14 12:18:05,759 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 693 [2020-10-14 12:18:08,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 12:18:08,225 INFO L93 Difference]: Finished difference Result 2534 states and 3286 transitions. [2020-10-14 12:18:08,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 12:18:08,227 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 114 [2020-10-14 12:18:08,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 12:18:08,237 INFO L225 Difference]: With dead ends: 2534 [2020-10-14 12:18:08,237 INFO L226 Difference]: Without dead ends: 1843 [2020-10-14 12:18:08,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2020-10-14 12:18:08,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2020-10-14 12:18:09,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1372. [2020-10-14 12:18:09,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2020-10-14 12:18:09,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1713 transitions. [2020-10-14 12:18:09,080 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1713 transitions. Word has length 114 [2020-10-14 12:18:09,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 12:18:09,081 INFO L479 AbstractCegarLoop]: Abstraction has 1372 states and 1713 transitions. [2020-10-14 12:18:09,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 12:18:09,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1713 transitions. [2020-10-14 12:18:09,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-14 12:18:09,084 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 12:18:09,084 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, 1, 1] [2020-10-14 12:18:09,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 12:18:09,084 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 12:18:09,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 12:18:09,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1390707466, now seen corresponding path program 1 times [2020-10-14 12:18:09,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 12:18:09,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012647177] [2020-10-14 12:18:09,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 12:18:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 12:18:09,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking...