/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=NARROWEST --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-input-tablet-kbtab.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:45:49,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:45:49,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:45:49,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:45:49,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:45:49,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:45:49,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:45:49,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:45:49,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:45:49,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:45:49,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:45:49,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:45:49,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:45:49,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:45:49,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:45:49,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:45:49,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:45:49,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:45:49,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:45:49,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:45:49,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:45:49,410 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:45:49,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:45:49,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:45:49,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:45:49,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:45:49,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:45:49,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:45:49,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:45:49,416 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:45:49,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:45:49,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:45:49,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:45:49,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:45:49,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:45:49,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:45:49,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:45:49,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:45:49,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:45:49,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:45:49,422 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:45:49,423 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 [2020-10-13 17:45:49,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:45:49,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:45:49,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:45:49,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:45:49,447 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:45:49,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:45:49,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:45:49,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:45:49,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:45:49,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:45:49,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:45:49,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:45:49,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:45:49,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:45:49,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:45:49,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:45:49,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:45:49,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:45:49,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:45:49,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:45:49,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:45:49,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:45:49,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:45:49,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:45:49,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:45:49,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:45:49,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:45:49,452 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:45:49,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:45:49,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:45:49,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:45:49,813 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:45:49,814 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:45:49,814 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2020-10-13 17:45:49,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea41ccb97/38cc6ae16d6041ad928e4195965190d1/FLAG69aa36790 [2020-10-13 17:45:50,597 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:45:50,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2020-10-13 17:45:50,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea41ccb97/38cc6ae16d6041ad928e4195965190d1/FLAG69aa36790 [2020-10-13 17:45:50,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea41ccb97/38cc6ae16d6041ad928e4195965190d1 [2020-10-13 17:45:50,678 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:45:50,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:45:50,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:45:50,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:45:50,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:45:50,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:45:50" (1/1) ... [2020-10-13 17:45:50,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ec240c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:50, skipping insertion in model container [2020-10-13 17:45:50,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:45:50" (1/1) ... [2020-10-13 17:45:50,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:45:50,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:45:51,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:45:52,015 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:45:52,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:45:52,299 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:45:52,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:52 WrapperNode [2020-10-13 17:45:52,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:45:52,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:45:52,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:45:52,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:45:52,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:52" (1/1) ... [2020-10-13 17:45:52,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:52" (1/1) ... [2020-10-13 17:45:52,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:52" (1/1) ... [2020-10-13 17:45:52,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:52" (1/1) ... [2020-10-13 17:45:52,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:52" (1/1) ... [2020-10-13 17:45:52,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:52" (1/1) ... [2020-10-13 17:45:52,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:52" (1/1) ... [2020-10-13 17:45:52,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:45:52,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:45:52,497 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:45:52,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:45:52,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:52" (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 [2020-10-13 17:45:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:45:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:45:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-13 17:45:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:45:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:45:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-13 17:45:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-13 17:45:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 17:45:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-13 17:45:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-13 17:45:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-13 17:45:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 17:45:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-13 17:45:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-10-13 17:45:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-10-13 17:45:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-10-13 17:45:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-10-13 17:45:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-13 17:45:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2020-10-13 17:45:52,615 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-10-13 17:45:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_irq [2020-10-13 17:45:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_open [2020-10-13 17:45:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_close [2020-10-13 17:45:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_probe [2020-10-13 17:45:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_disconnect [2020-10-13 17:45:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2020-10-13 17:45:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2020-10-13 17:45:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-13 17:45:52,617 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-13 17:45:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:45:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-13 17:45:52,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-13 17:45:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-13 17:45:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-13 17:45:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-13 17:45:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 17:45:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:45:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:45:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:45:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 17:45:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 17:45:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-13 17:45:52,621 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-13 17:45:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-13 17:45:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-10-13 17:45:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-13 17:45:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-13 17:45:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:45:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-13 17:45:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:45:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-13 17:45:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 17:45:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-13 17:45:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 17:45:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-13 17:45:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:45:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:45:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-13 17:45:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:45:52,625 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:45:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-13 17:45:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-13 17:45:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:45:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:45:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:45:52,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:45:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:45:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-13 17:45:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-13 17:45:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 17:45:52,627 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 17:45:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-13 17:45:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-13 17:45:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 17:45:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:45:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-13 17:45:52,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:45:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 17:45:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-13 17:45:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 17:45:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-13 17:45:52,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:45:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:45:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-13 17:45:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 17:45:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-13 17:45:52,630 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-13 17:45:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-13 17:45:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-13 17:45:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 17:45:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-13 17:45:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-13 17:45:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-10-13 17:45:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-10-13 17:45:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-13 17:45:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-13 17:45:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-13 17:45:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-10-13 17:45:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-10-13 17:45:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-13 17:45:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-10-13 17:45:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2020-10-13 17:45:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-10-13 17:45:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_irq [2020-10-13 17:45:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_open [2020-10-13 17:45:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_close [2020-10-13 17:45:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_probe [2020-10-13 17:45:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_disconnect [2020-10-13 17:45:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2020-10-13 17:45:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2020-10-13 17:45:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:45:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-13 17:45:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:45:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:45:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:45:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-13 17:45:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-13 17:45:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-13 17:45:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 17:45:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:45:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:45:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:45:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 17:45:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:45:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:45:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:45:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:45:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:45:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:45:53,558 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:45:53,654 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-13 17:45:53,654 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-13 17:45:54,116 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:45:54,162 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-13 17:45:54,162 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-13 17:45:54,273 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-13 17:45:56,775 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:45:56,775 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-13 17:45:56,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:45:56 BoogieIcfgContainer [2020-10-13 17:45:56,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:45:56,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:45:56,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:45:56,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:45:56,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:45:50" (1/3) ... [2020-10-13 17:45:56,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3fd6e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:45:56, skipping insertion in model container [2020-10-13 17:45:56,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:45:52" (2/3) ... [2020-10-13 17:45:56,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d3fd6e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:45:56, skipping insertion in model container [2020-10-13 17:45:56,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:45:56" (3/3) ... [2020-10-13 17:45:56,790 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2020-10-13 17:45:56,802 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:45:56,815 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:45:56,831 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:45:56,858 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:45:56,858 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:45:56,858 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:45:56,859 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:45:56,859 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:45:56,859 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:45:56,859 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:45:56,859 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:45:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-10-13 17:45:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-13 17:45:56,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:45:56,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:45:56,893 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:45:56,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:45:56,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1474942128, now seen corresponding path program 1 times [2020-10-13 17:45:56,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:45:56,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641028001] [2020-10-13 17:45:56,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:45:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:57,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:58,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:58,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 17:45:58,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:58,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 905 [2020-10-13 17:45:58,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:58,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:45:58,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:45:58,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 17:45:58,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 17:45:58,537 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:45:58,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:45:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:58,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:58,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:58,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:45:58,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:58,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 195 [2020-10-13 17:45:58,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:45:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:45:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:45:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:45:58,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:45:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:58,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:58,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:58,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:45:58,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:58,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:45:58,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:45:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:45:58,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:45:58,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:45:58,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:45:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:58,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:58,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:58,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:45:58,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:58,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 17:45:58,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:45:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:45:58,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:45:58,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:45:58,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:45:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:58,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:58,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:58,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:45:58,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:58,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:45:58,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:45:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:45:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:45:58,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:45:58,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:45:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:45:58,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:45:58,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:45:58,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:45:58,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:45:58,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:45:58,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:45:58,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:45:58,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:45:58,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:45:58,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:45:58,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:45:58,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641028001] [2020-10-13 17:45:58,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:45:58,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 17:45:58,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594879953] [2020-10-13 17:45:58,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 17:45:58,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:45:58,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 17:45:58,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 17:45:58,998 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 4 states. [2020-10-13 17:46:01,305 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 17:46:04,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:46:04,857 INFO L93 Difference]: Finished difference Result 861 states and 1127 transitions. [2020-10-13 17:46:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 17:46:04,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-13 17:46:04,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:46:04,882 INFO L225 Difference]: With dead ends: 861 [2020-10-13 17:46:04,882 INFO L226 Difference]: Without dead ends: 621 [2020-10-13 17:46:04,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:46:04,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2020-10-13 17:46:05,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 504. [2020-10-13 17:46:05,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2020-10-13 17:46:05,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 601 transitions. [2020-10-13 17:46:05,122 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 601 transitions. Word has length 31 [2020-10-13 17:46:05,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:46:05,123 INFO L479 AbstractCegarLoop]: Abstraction has 504 states and 601 transitions. [2020-10-13 17:46:05,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 17:46:05,123 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 601 transitions. [2020-10-13 17:46:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-13 17:46:05,124 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:46:05,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:46:05,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:46:05,125 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:46:05,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:46:05,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1521236244, now seen corresponding path program 1 times [2020-10-13 17:46:05,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:46:05,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483599302] [2020-10-13 17:46:05,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:46:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:05,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:05,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:05,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 17:46:05,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:05,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-13 17:46:05,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:46:05,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:46:05,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-13 17:46:05,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:05,876 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:46:05,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:05,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:06,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:06,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:06,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:06,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-13 17:46:06,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:46:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:06,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:46:06,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:06,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:46:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:06,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:06,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:06,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:46:06,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:06,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:46:06,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:46:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:06,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:46:06,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:06,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:46:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:06,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:06,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:06,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:46:06,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:06,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 17:46:06,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:06,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:46:06,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:06,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:46:06,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:06,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:06,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:06,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:06,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:06,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:46:06,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:06,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:06,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:06,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:06,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:06,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:06,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:06,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:46:06,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:06,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:06,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:46:06,203 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483599302] [2020-10-13 17:46:06,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:46:06,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 17:46:06,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94731155] [2020-10-13 17:46:06,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 17:46:06,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:46:06,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 17:46:06,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 17:46:06,207 INFO L87 Difference]: Start difference. First operand 504 states and 601 transitions. Second operand 4 states. [2020-10-13 17:46:08,431 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 17:46:11,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:46:11,710 INFO L93 Difference]: Finished difference Result 1677 states and 2090 transitions. [2020-10-13 17:46:11,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 17:46:11,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-10-13 17:46:11,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:46:11,724 INFO L225 Difference]: With dead ends: 1677 [2020-10-13 17:46:11,724 INFO L226 Difference]: Without dead ends: 1190 [2020-10-13 17:46:11,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:46:11,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2020-10-13 17:46:11,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1020. [2020-10-13 17:46:11,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1020 states. [2020-10-13 17:46:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1242 transitions. [2020-10-13 17:46:11,885 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1242 transitions. Word has length 32 [2020-10-13 17:46:11,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:46:11,885 INFO L479 AbstractCegarLoop]: Abstraction has 1020 states and 1242 transitions. [2020-10-13 17:46:11,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 17:46:11,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1242 transitions. [2020-10-13 17:46:11,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-13 17:46:11,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:46:11,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:46:11,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 17:46:11,890 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:46:11,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:46:11,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1446365690, now seen corresponding path program 1 times [2020-10-13 17:46:11,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:46:11,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336446747] [2020-10-13 17:46:11,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:46:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:11,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:12,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 17:46:13,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:46:13,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1149 [2020-10-13 17:46:13,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:46:13,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 17:46:13,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 17:46:13,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-13 17:46:13,298 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:46:13,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:13,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:13,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-13 17:46:13,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:13,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:13,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:13,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:13,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:46:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:46:13,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:46:13,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:13,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:13,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:46:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:46:13,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 17:46:13,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:46:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:13,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 17:46:13,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:13,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:13,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:46:13,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:13,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:13,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:13,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:46:13,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:13,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:13,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:13,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:13,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 17:46:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:46:13,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 17:46:13,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:46:13,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:13,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:46:13,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:46:13,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:13,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:13,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:13,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:46:13,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:46:13,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:13,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:13,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 17:46:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:13,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:46:13,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:13,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 17:46:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:13,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:46:13,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:13,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 17:46:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:13,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:13,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:13,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:13,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:46:13,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:46:13,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:46:13,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336446747] [2020-10-13 17:46:13,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:46:13,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 17:46:13,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732680684] [2020-10-13 17:46:13,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 17:46:13,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:46:13,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 17:46:13,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 17:46:13,691 INFO L87 Difference]: Start difference. First operand 1020 states and 1242 transitions. Second operand 8 states. [2020-10-13 17:46:16,006 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-10-13 17:46:16,187 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 17:46:18,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:46:18,999 INFO L93 Difference]: Finished difference Result 2366 states and 3032 transitions. [2020-10-13 17:46:19,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 17:46:19,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2020-10-13 17:46:19,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:46:19,013 INFO L225 Difference]: With dead ends: 2366 [2020-10-13 17:46:19,014 INFO L226 Difference]: Without dead ends: 1368 [2020-10-13 17:46:19,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-10-13 17:46:19,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-10-13 17:46:19,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1020. [2020-10-13 17:46:19,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1020 states. [2020-10-13 17:46:19,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 1020 states and 1241 transitions. [2020-10-13 17:46:19,188 INFO L78 Accepts]: Start accepts. Automaton has 1020 states and 1241 transitions. Word has length 75 [2020-10-13 17:46:19,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:46:19,188 INFO L479 AbstractCegarLoop]: Abstraction has 1020 states and 1241 transitions. [2020-10-13 17:46:19,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 17:46:19,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1241 transitions. [2020-10-13 17:46:19,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-13 17:46:19,197 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:46:19,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:46:19,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 17:46:19,197 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:46:19,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:46:19,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1972582600, now seen corresponding path program 1 times [2020-10-13 17:46:19,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:46:19,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564129124] [2020-10-13 17:46:19,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:46:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:19,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:19,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:19,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-13 17:46:19,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:19,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 379 [2020-10-13 17:46:19,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:19,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:46:19,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-13 17:46:19,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 17:46:19,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:19,888 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:46:19,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:19,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:19,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:19,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:19,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:19,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 17:46:19,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:19,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:19,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:19,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:19,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:19,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:46:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:19,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:19,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:19,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:46:19,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:19,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:46:19,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:19,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:19,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:19,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:46:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:19,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:19,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:19,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:46:19,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:19,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:46:19,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:19,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:19,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:19,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:19,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:19,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:19,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:19,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:19,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:46:19,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:19,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:19,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:19,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:20,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:20,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:20,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:20,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:20,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:46:20,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:20,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:20,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:20,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 17:46:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:20,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:20,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:20,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:46:20,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:20,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 17:46:20,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:20,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:20,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:46:20,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:20,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:20,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:20,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:20,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:20,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:46:20,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:20,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:46:20,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:20,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:20,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:20,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:20,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:20,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:46:20,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:20,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:20,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:20,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:20,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 17:46:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:20,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:20,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:20,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:20,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:20,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:46:20,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:20,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 17:46:20,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:20,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:20,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:20,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:20,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:20,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:20,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:20,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:20,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:20,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:20,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:20,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:20,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 17:46:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:20,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:20,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:20,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:20,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:20,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:46:20,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:46:20,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:20,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:46:20,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564129124] [2020-10-13 17:46:20,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:46:20,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:46:20,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185592732] [2020-10-13 17:46:20,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:46:20,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:46:20,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:46:20,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:46:20,131 INFO L87 Difference]: Start difference. First operand 1020 states and 1241 transitions. Second operand 5 states. [2020-10-13 17:46:24,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:46:24,396 INFO L93 Difference]: Finished difference Result 2406 states and 3099 transitions. [2020-10-13 17:46:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 17:46:24,397 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-10-13 17:46:24,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:46:24,410 INFO L225 Difference]: With dead ends: 2406 [2020-10-13 17:46:24,410 INFO L226 Difference]: Without dead ends: 1413 [2020-10-13 17:46:24,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-13 17:46:24,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2020-10-13 17:46:24,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1056. [2020-10-13 17:46:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2020-10-13 17:46:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1296 transitions. [2020-10-13 17:46:24,562 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1296 transitions. Word has length 75 [2020-10-13 17:46:24,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:46:24,562 INFO L479 AbstractCegarLoop]: Abstraction has 1056 states and 1296 transitions. [2020-10-13 17:46:24,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:46:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1296 transitions. [2020-10-13 17:46:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 17:46:24,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:46:24,567 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 17:46:24,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 17:46:24,568 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:46:24,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:46:24,568 INFO L82 PathProgramCache]: Analyzing trace with hash 2083437533, now seen corresponding path program 1 times [2020-10-13 17:46:24,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:46:24,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77936382] [2020-10-13 17:46:24,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:46:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:24,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:24,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:24,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:29,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:29,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 17:46:29,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 17:46:29,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 17:46:29,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:29,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:46:29,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-13 17:46:29,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:46:29,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:29,940 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:46:29,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:29,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:29,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:29,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:29,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 17:46:29,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:46:30,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:46:30,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:46:30,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:46:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:46:30,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:46:30,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:30,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:46:30,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:30,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:30,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 17:46:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:30,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:30,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 17:46:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:46:30,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:46:30,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:46:30,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:46:30,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:30,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:46:30,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:46:30,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:46:30,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:30,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 17:46:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:46:30,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:46:30,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:46:30,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:46:30,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:46:30,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:46:30,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:46:30,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:46:30,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:30,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:46:30,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:46:30,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:46:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:46:30,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 17:46:30,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:46:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 17:46:30,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:46:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:30,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:46:30,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:46:30,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:30,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 17:46:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:46:30,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:46:30,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:46:30,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:46:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:30,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:46:30,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:30,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:30,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:46:30,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:30,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:30,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:30,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:30,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:30,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:30,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:30,429 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-13 17:46:30,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77936382] [2020-10-13 17:46:30,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:46:30,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 17:46:30,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521889190] [2020-10-13 17:46:30,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 17:46:30,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:46:30,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 17:46:30,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-13 17:46:30,433 INFO L87 Difference]: Start difference. First operand 1056 states and 1296 transitions. Second operand 9 states. [2020-10-13 17:46:33,345 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 17:46:33,552 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:46:33,746 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:46:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:46:35,185 INFO L93 Difference]: Finished difference Result 1953 states and 2491 transitions. [2020-10-13 17:46:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 17:46:35,185 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 133 [2020-10-13 17:46:35,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:46:35,193 INFO L225 Difference]: With dead ends: 1953 [2020-10-13 17:46:35,194 INFO L226 Difference]: Without dead ends: 924 [2020-10-13 17:46:35,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-10-13 17:46:35,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-10-13 17:46:35,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 665. [2020-10-13 17:46:35,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 665 states. [2020-10-13 17:46:35,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 793 transitions. [2020-10-13 17:46:35,285 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 793 transitions. Word has length 133 [2020-10-13 17:46:35,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:46:35,288 INFO L479 AbstractCegarLoop]: Abstraction has 665 states and 793 transitions. [2020-10-13 17:46:35,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 17:46:35,288 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 793 transitions. [2020-10-13 17:46:35,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-13 17:46:35,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:46:35,291 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 17:46:35,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 17:46:35,291 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:46:35,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:46:35,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1817175106, now seen corresponding path program 1 times [2020-10-13 17:46:35,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:46:35,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872925701] [2020-10-13 17:46:35,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:46:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:35,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:35,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:35,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:36,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:40,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:40,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 17:46:40,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 17:46:40,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5051 [2020-10-13 17:46:40,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:40,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:46:40,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-13 17:46:40,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:46:40,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:40,652 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:46:40,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:40,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:40,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:40,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:40,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 17:46:40,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:40,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:40,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:46:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:40,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:40,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:40,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:46:40,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:46:40,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:40,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:46:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:40,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:40,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:40,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:46:40,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:46:40,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:40,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:40,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:40,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:40,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:40,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:40,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:46:40,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:40,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:40,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:40,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:40,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:40,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:40,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:40,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:40,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:46:40,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:40,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:40,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:40,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:40,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:40,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 17:46:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:40,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:40,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:40,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:45,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:45,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 17:46:45,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 17:46:45,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 17:46:45,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:46:45,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 17:46:45,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:46:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:45,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:45,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:45,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:45,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:45,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:46:45,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:45,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:45,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:45,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:45,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:45,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:46:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:45,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:45,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:45,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:46:45,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:45,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:46:45,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:45,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:45,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:45,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:45,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:45,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:45,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:45,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:45,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:46:45,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:45,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:46:45,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:45,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:45,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:45,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:45,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:45,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:45,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:45,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:45,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:46:45,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:45,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:46:45,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:45,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:45,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:45,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:45,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:45,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:45,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:45,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:45,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:46:45,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:45,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:46:45,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:45,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:45,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:45,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:45,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:45,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:46:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:45,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:46:46,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:46:46,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:46,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:46,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:46,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:46,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:46:46,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:46:46,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:46,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:46,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:46,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:46,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:46:46,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:46:46,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:46,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:46,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:46,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:46:46,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:46:46,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:46,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:46,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:46,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:46,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:46:46,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:46,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:46,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:46,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 17:46:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:46:46,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:46:46,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 17:46:46,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 17:46:46,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 17:46:46,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 17:46:46,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:46,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:46:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:46,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 17:46:46,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:46:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 17:46:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:46,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:46:46,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:46:46,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:46:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:46:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:46,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 17:46:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:46,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:46,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:46:46,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:46,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:46,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 17:46:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:46,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:46,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:46,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:46:46,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:46,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:46,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 17:46:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:46,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:46:46,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:46:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:46,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 17:46:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:46:46,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:46,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 17:46:46,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:46,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:46,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:46,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:46,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:46,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:46,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:46,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:46:46,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:46,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:46,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:46,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:46,481 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-13 17:46:46,482 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872925701] [2020-10-13 17:46:46,483 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:46:46,483 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-13 17:46:46,483 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492090684] [2020-10-13 17:46:46,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 17:46:46,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:46:46,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 17:46:46,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-13 17:46:46,487 INFO L87 Difference]: Start difference. First operand 665 states and 793 transitions. Second operand 14 states. [2020-10-13 17:46:46,740 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 17:46:49,296 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-13 17:46:49,988 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-13 17:46:50,198 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-13 17:46:50,428 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 17:46:50,631 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 17:46:52,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:46:52,208 INFO L93 Difference]: Finished difference Result 1290 states and 1592 transitions. [2020-10-13 17:46:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 17:46:52,208 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 135 [2020-10-13 17:46:52,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:46:52,214 INFO L225 Difference]: With dead ends: 1290 [2020-10-13 17:46:52,214 INFO L226 Difference]: Without dead ends: 787 [2020-10-13 17:46:52,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2020-10-13 17:46:52,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-10-13 17:46:52,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 631. [2020-10-13 17:46:52,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2020-10-13 17:46:52,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 739 transitions. [2020-10-13 17:46:52,290 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 739 transitions. Word has length 135 [2020-10-13 17:46:52,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:46:52,290 INFO L479 AbstractCegarLoop]: Abstraction has 631 states and 739 transitions. [2020-10-13 17:46:52,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 17:46:52,290 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 739 transitions. [2020-10-13 17:46:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-13 17:46:52,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:46:52,292 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 17:46:52,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 17:46:52,293 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:46:52,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:46:52,293 INFO L82 PathProgramCache]: Analyzing trace with hash 542131903, now seen corresponding path program 1 times [2020-10-13 17:46:52,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:46:52,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434005506] [2020-10-13 17:46:52,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:46:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:52,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:52,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:52,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:57,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:57,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 17:46:57,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 17:46:57,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 17:46:57,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:57,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:46:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-13 17:46:57,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:46:57,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:57,564 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:46:57,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:46:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:57,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:57,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:57,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:57,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:57,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 17:46:57,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:57,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:57,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:57,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:57,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:46:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:57,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:57,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:57,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:46:57,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:57,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:46:57,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:57,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:57,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:57,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:57,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:46:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:57,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:57,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:57,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:46:57,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:57,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:46:57,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:57,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:57,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:57,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:57,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:57,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:57,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:57,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:57,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:46:57,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:57,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:46:57,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:57,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:57,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:57,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:57,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:46:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:46:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:57,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:57,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:46:57,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:46:57,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:46:57,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:46:57,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:46:57,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:46:57,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:46:57,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:46:57,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:46:57,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 17:46:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:46:57,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:57,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:46:57,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:02,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:02,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 17:47:02,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 17:47:02,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 17:47:02,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:47:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-13 17:47:02,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:47:02,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:02,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:02,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:02,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:02,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:02,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:02,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:02,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:02,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:02,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:02,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:02,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:02,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:02,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:02,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:02,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:02,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:47:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:02,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:02,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:02,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:02,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:02,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:02,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:02,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:47:02,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:02,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:02,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:02,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:02,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:02,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:02,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:02,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:02,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:02,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:02,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:02,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:02,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:02,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:02,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:02,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:02,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:02,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:02,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:02,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:02,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:02,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:02,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:02,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:02,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:02,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:02,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:47:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:02,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:02,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:02,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:47:02,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:02,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:47:02,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:02,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:02,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:02,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:02,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:02,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:02,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:02,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:02,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:02,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:02,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:47:02,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:02,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:02,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:02,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:02,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:03,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:03,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:47:03,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:03,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:03,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:03,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:03,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:47:03,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:03,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:03,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 66 [2020-10-13 17:47:03,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:03,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:03,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:03,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:03,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:03,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 17:47:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:03,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 17:47:03,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:47:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:03,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 17:47:03,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:03,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:47:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:03,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:03,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:03,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:03,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:03,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:03,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:03,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:03,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:03,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:03,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:03,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 17:47:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:03,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:03,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:03,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:03,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:03,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:03,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 17:47:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:03,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:03,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:03,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:03,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 17:47:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:03,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:03,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:03,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 17:47:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:47:03,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:03,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 17:47:03,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:03,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:03,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:03,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:03,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:03,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:03,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:03,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:03,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:03,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:03,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:03,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:03,303 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-13 17:47:03,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434005506] [2020-10-13 17:47:03,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:47:03,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 17:47:03,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266252203] [2020-10-13 17:47:03,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 17:47:03,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:47:03,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 17:47:03,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:47:03,310 INFO L87 Difference]: Start difference. First operand 631 states and 739 transitions. Second operand 10 states. [2020-10-13 17:47:03,483 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 17:47:07,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:47:07,416 INFO L93 Difference]: Finished difference Result 1249 states and 1516 transitions. [2020-10-13 17:47:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 17:47:07,416 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-10-13 17:47:07,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:47:07,421 INFO L225 Difference]: With dead ends: 1249 [2020-10-13 17:47:07,422 INFO L226 Difference]: Without dead ends: 787 [2020-10-13 17:47:07,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 17:47:07,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2020-10-13 17:47:07,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 631. [2020-10-13 17:47:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2020-10-13 17:47:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 737 transitions. [2020-10-13 17:47:07,508 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 737 transitions. Word has length 135 [2020-10-13 17:47:07,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:47:07,508 INFO L479 AbstractCegarLoop]: Abstraction has 631 states and 737 transitions. [2020-10-13 17:47:07,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 17:47:07,509 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 737 transitions. [2020-10-13 17:47:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 17:47:07,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:47:07,511 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 17:47:07,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 17:47:07,511 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:47:07,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:47:07,512 INFO L82 PathProgramCache]: Analyzing trace with hash -849349891, now seen corresponding path program 1 times [2020-10-13 17:47:07,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:47:07,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45390531] [2020-10-13 17:47:07,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:47:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:07,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:07,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:11,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 17:47:12,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 17:47:12,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 17:47:12,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 17:47:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-13 17:47:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 17:47:12,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:12,764 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:47:12,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:12,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:12,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 17:47:12,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:12,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:12,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:12,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:47:12,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:12,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:12,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:12,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:12,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:12,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:12,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:47:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:12,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:12,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:12,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:12,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:12,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:12,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:12,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:12,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:12,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:12,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:12,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:12,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:12,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:12,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:12,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:12,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:12,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:12,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:12,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:12,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 17:47:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:12,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:12,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:12,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:12,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:12,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:12,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 17:47:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:12,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:12,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:47:12,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:12,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:12,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:12,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:12,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:12,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:12,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:12,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:12,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:12,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:12,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:12,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:12,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:12,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:12,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:12,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:12,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:12,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:12,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:12,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:12,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:12,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:12,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:12,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:12,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:12,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 17:47:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:12,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:47:13,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 17:47:13,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 17:47:13,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:13,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 17:47:13,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:13,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:13,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:13,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 17:47:13,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 17:47:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:13,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 17:47:13,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:13,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:13,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:13,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 17:47:13,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 17:47:13,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:13,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 17:47:13,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:13,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:13,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:13,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 17:47:13,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:47:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:47:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:13,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:13,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:13,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:47:13,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:47:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:47:13,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:47:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:13,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:13,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:47:13,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:47:13,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:13,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:47:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:13,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:13,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:13,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:13,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:13,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:13,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:13,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:13,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:13,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:13,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:13,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 17:47:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:13,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:13,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:47:13,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:47:13,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:13,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:13,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:47:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:13,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:13,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:13,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:13,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:13,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:13,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:13,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:13,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:13,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:13,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:13,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:13,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:13,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:13,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:13,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:13,538 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 17:47:13,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45390531] [2020-10-13 17:47:13,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:47:13,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-13 17:47:13,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019387959] [2020-10-13 17:47:13,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 17:47:13,600 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:47:13,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 17:47:13,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-10-13 17:47:13,601 INFO L87 Difference]: Start difference. First operand 631 states and 737 transitions. Second operand 17 states. [2020-10-13 17:47:16,233 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 17:47:16,450 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:16,652 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:16,870 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 17:47:17,076 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 17:47:17,282 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:17,483 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:17,738 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:17,926 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:18,134 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:18,335 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:20,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:47:20,574 INFO L93 Difference]: Finished difference Result 1402 states and 1693 transitions. [2020-10-13 17:47:20,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 17:47:20,575 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 133 [2020-10-13 17:47:20,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:47:20,580 INFO L225 Difference]: With dead ends: 1402 [2020-10-13 17:47:20,580 INFO L226 Difference]: Without dead ends: 798 [2020-10-13 17:47:20,583 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=130, Invalid=682, Unknown=0, NotChecked=0, Total=812 [2020-10-13 17:47:20,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2020-10-13 17:47:20,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 686. [2020-10-13 17:47:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2020-10-13 17:47:20,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 802 transitions. [2020-10-13 17:47:20,676 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 802 transitions. Word has length 133 [2020-10-13 17:47:20,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:47:20,676 INFO L479 AbstractCegarLoop]: Abstraction has 686 states and 802 transitions. [2020-10-13 17:47:20,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 17:47:20,676 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 802 transitions. [2020-10-13 17:47:20,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 17:47:20,679 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:47:20,679 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 17:47:20,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 17:47:20,679 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:47:20,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:47:20,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1058048194, now seen corresponding path program 2 times [2020-10-13 17:47:20,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:47:20,680 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17696303] [2020-10-13 17:47:20,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:47:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:20,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:21,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:25,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:25,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 17:47:25,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:47:25,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-13 17:47:25,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 17:47:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 17:47:25,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 17:47:25,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:26,040 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:47:26,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:26,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-13 17:47:26,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:26,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:47:26,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:26,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:47:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:26,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:26,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:26,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:26,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:26,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:26,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:26,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:26,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 17:47:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:26,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:26,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:26,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 17:47:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:26,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 17:47:26,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 17:47:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 17:47:26,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:26,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 17:47:26,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 17:47:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 17:47:26,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:26,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 17:47:26,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:47:26,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:47:26,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:26,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:47:26,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:47:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:47:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 17:47:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:47:26,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 17:47:26,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:26,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 17:47:26,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:26,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:47:26,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:26,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:47:26,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:26,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:26,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:47:26,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:26,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:26,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:47:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:26,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 17:47:26,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:47:26,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:47:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:26,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:47:26,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:26,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:26,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 17:47:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:26,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:47:26,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 17:47:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:26,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:47:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:26,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:26,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:26,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:26,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:26,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:26,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:26,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:26,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:26,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:26,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:26,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:26,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:26,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 17:47:26,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17696303] [2020-10-13 17:47:26,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:47:26,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 17:47:26,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294632962] [2020-10-13 17:47:26,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 17:47:26,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:47:26,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 17:47:26,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-13 17:47:26,867 INFO L87 Difference]: Start difference. First operand 686 states and 802 transitions. Second operand 15 states. [2020-10-13 17:47:29,469 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 17:47:29,679 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:29,875 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:30,079 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:30,272 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:30,482 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 17:47:30,686 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-10-13 17:47:30,889 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:31,084 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2020-10-13 17:47:33,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:47:33,276 INFO L93 Difference]: Finished difference Result 1480 states and 1788 transitions. [2020-10-13 17:47:33,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 17:47:33,276 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 133 [2020-10-13 17:47:33,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:47:33,280 INFO L225 Difference]: With dead ends: 1480 [2020-10-13 17:47:33,280 INFO L226 Difference]: Without dead ends: 821 [2020-10-13 17:47:33,284 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2020-10-13 17:47:33,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-10-13 17:47:33,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 698. [2020-10-13 17:47:33,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2020-10-13 17:47:33,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 820 transitions. [2020-10-13 17:47:33,387 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 820 transitions. Word has length 133 [2020-10-13 17:47:33,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:47:33,388 INFO L479 AbstractCegarLoop]: Abstraction has 698 states and 820 transitions. [2020-10-13 17:47:33,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 17:47:33,388 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 820 transitions. [2020-10-13 17:47:33,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 17:47:33,390 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:47:33,390 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 17:47:33,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 17:47:33,390 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:47:33,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:47:33,391 INFO L82 PathProgramCache]: Analyzing trace with hash 2027676863, now seen corresponding path program 3 times [2020-10-13 17:47:33,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:47:33,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2064303351] [2020-10-13 17:47:33,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:47:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:33,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:34,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:34,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-13 17:47:34,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:34,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1323 [2020-10-13 17:47:34,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:34,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 17:47:34,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:34,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-13 17:47:34,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,003 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:47:35,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:35,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-13 17:47:35,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:47:35,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:35,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:47:35,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:35,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:47:35,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:47:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:35,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:47:35,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:47:35,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:35,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:47:35,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:35,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:35,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:35,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:35,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 17:47:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:35,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:47:35,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:47:35,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:35,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 17:47:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:35,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 17:47:35,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 17:47:35,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:35,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:47:35,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:35,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:47:35,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:35,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:35,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:35,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:35,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:35,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 17:47:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:47:35,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 17:47:35,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 17:47:35,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:35,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:47:35,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:47:35,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:35,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:47:35,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:35,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:35,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:35,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:35,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:47:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:35,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 17:47:35,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:47:35,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 17:47:35,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 17:47:35,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:47:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:35,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:47:35,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:47:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:35,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:35,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 17:47:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:35,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 17:47:35,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:35,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:47:35,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:47:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:35,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:35,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:35,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:35,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:35,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:35,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:35,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:35,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-13 17:47:35,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2064303351] [2020-10-13 17:47:35,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:47:35,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 17:47:35,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823132920] [2020-10-13 17:47:35,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 17:47:35,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:47:35,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 17:47:35,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:47:35,733 INFO L87 Difference]: Start difference. First operand 698 states and 820 transitions. Second operand 10 states. [2020-10-13 17:47:37,948 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 17:47:39,010 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 17:47:39,957 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 151 [2020-10-13 17:47:42,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:47:42,128 INFO L93 Difference]: Finished difference Result 1409 states and 1715 transitions. [2020-10-13 17:47:42,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 17:47:42,129 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 133 [2020-10-13 17:47:42,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:47:42,136 INFO L225 Difference]: With dead ends: 1409 [2020-10-13 17:47:42,136 INFO L226 Difference]: Without dead ends: 1406 [2020-10-13 17:47:42,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-10-13 17:47:42,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1406 states. [2020-10-13 17:47:42,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1406 to 1199. [2020-10-13 17:47:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-13 17:47:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1431 transitions. [2020-10-13 17:47:42,295 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1431 transitions. Word has length 133 [2020-10-13 17:47:42,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:47:42,295 INFO L479 AbstractCegarLoop]: Abstraction has 1199 states and 1431 transitions. [2020-10-13 17:47:42,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 17:47:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1431 transitions. [2020-10-13 17:47:42,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 17:47:42,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:47:42,298 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 17:47:42,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 17:47:42,298 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:47:42,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:47:42,299 INFO L82 PathProgramCache]: Analyzing trace with hash 610049083, now seen corresponding path program 1 times [2020-10-13 17:47:42,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:47:42,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744699019] [2020-10-13 17:47:42,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:47:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:42,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:42,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-13 17:47:47,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:47:47,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-13 17:47:47,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 17:47:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 17:47:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 17:47:47,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,556 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:47:47,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:47,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 17:47:47,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:47,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:47,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:47,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:47:47,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 17:47:47,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:47,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:47,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:47:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:47,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:47,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:47,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:47,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:47,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:47,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:47,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:47,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:47,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:47,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:47,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 17:47:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 17:47:47,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-13 17:47:47,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 17:47:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 17:47:47,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 17:47:47,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:47,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:47,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:47,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:47,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:47,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:47,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 17:47:47,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 17:47:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 17:47:47,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:47,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 17:47:47,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 17:47:47,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 17:47:47,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:47,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:47:47,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:47:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:47:47,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:47,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:47,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:47,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:47,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:47,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:47,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:47,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:47:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:47,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:47:47,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:47:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:47:48,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 17:47:48,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:48,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:48,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 17:47:48,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:48,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:48,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:48,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:48,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:48,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:48,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:48,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:48,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:48,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:48,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:48,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 17:47:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:48,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:48,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:48,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 17:47:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:48,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:48,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 17:47:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:48,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:48,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:48,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 17:47:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:48,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:47:48,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:47:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:48,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:48,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:48,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:48,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:48,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:48,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 17:47:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:48,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:48,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 17:47:48,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:48,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:48,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:48,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 17:47:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:48,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:48,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:48,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:48,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:48,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 17:47:48,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:48,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:48,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-13 17:47:48,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744699019] [2020-10-13 17:47:48,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:47:48,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 17:47:48,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630568746] [2020-10-13 17:47:48,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 17:47:48,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:47:48,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 17:47:48,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-13 17:47:48,216 INFO L87 Difference]: Start difference. First operand 1199 states and 1431 transitions. Second operand 15 states. [2020-10-13 17:47:48,397 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 17:47:53,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:47:53,232 INFO L93 Difference]: Finished difference Result 2544 states and 3089 transitions. [2020-10-13 17:47:53,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 17:47:53,232 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 152 [2020-10-13 17:47:53,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:47:53,241 INFO L225 Difference]: With dead ends: 2544 [2020-10-13 17:47:53,241 INFO L226 Difference]: Without dead ends: 1372 [2020-10-13 17:47:53,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-10-13 17:47:53,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2020-10-13 17:47:53,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1199. [2020-10-13 17:47:53,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1199 states. [2020-10-13 17:47:53,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1421 transitions. [2020-10-13 17:47:53,414 INFO L78 Accepts]: Start accepts. Automaton has 1199 states and 1421 transitions. Word has length 152 [2020-10-13 17:47:53,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:47:53,414 INFO L479 AbstractCegarLoop]: Abstraction has 1199 states and 1421 transitions. [2020-10-13 17:47:53,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 17:47:53,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 1421 transitions. [2020-10-13 17:47:53,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 17:47:53,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:47:53,417 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 17:47:53,417 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 17:47:53,417 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:47:53,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:47:53,418 INFO L82 PathProgramCache]: Analyzing trace with hash -84597924, now seen corresponding path program 2 times [2020-10-13 17:47:53,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:47:53,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [610954970] [2020-10-13 17:47:53,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:47:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:53,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:54,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:54,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-13 17:47:54,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:54,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1110 [2020-10-13 17:47:54,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:54,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:47:54,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-13 17:47:54,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 17:47:54,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:54,770 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:47:54,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:54,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:54,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:54,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:54,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 17:47:54,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:54,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:54,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:54,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:54,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:54,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:54,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:54,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:54,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:47:54,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:54,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 17:47:54,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:54,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:54,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:54,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:47:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:54,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:54,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:54,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:47:54,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:54,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:54,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:54,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:54,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:54,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:54,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:54,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:54,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:54,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:54,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:54,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:54,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:54,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:54,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:54,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:54,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:54,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:54,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:54,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:54,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:54,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:54,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:54,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:54,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:54,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 17:47:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:54,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:54,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:54,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 17:47:54,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:54,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 17:47:54,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:54,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:47:54,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:54,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-13 17:47:54,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:54,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:54,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:54,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:54,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:54,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:54,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:54,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:54,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:54,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:54,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:47:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:55,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:47:55,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:55,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 17:47:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:55,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:47:55,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:55,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:55,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:55,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:55,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:47:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:47:55,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 17:47:55,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:55,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 17:47:55,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:47:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:47:55,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:55,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:55,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:47:55,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:55,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:55,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:55,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:55,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 17:47:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:55,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:55,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:47:55,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 17:47:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:55,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:47:55,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:47:55,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 17:47:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:55,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:55,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:47:55,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:47:55,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 17:47:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:47:55,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:47:55,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:47:55,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:47:55,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:55,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:47:55,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:55,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 17:47:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:47:55,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:47:55,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 17:47:55,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:47:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:55,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:55,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:47:55,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 17:47:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:47:55,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:47:55,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:47:55,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:47:55,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:47:55,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:47:55,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:47:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:47:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:47:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:47:55,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:47:55,241 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-13 17:47:55,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [610954970] [2020-10-13 17:47:55,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:47:55,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 17:47:55,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906931692] [2020-10-13 17:47:55,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 17:47:55,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:47:55,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 17:47:55,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:47:55,243 INFO L87 Difference]: Start difference. First operand 1199 states and 1421 transitions. Second operand 10 states. [2020-10-13 17:47:55,425 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 17:47:57,878 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2020-10-13 17:47:58,456 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2020-10-13 17:48:00,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:00,187 INFO L93 Difference]: Finished difference Result 2525 states and 3043 transitions. [2020-10-13 17:48:00,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 17:48:00,190 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2020-10-13 17:48:00,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:00,198 INFO L225 Difference]: With dead ends: 2525 [2020-10-13 17:48:00,198 INFO L226 Difference]: Without dead ends: 1300 [2020-10-13 17:48:00,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-13 17:48:00,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2020-10-13 17:48:00,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1149. [2020-10-13 17:48:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1149 states. [2020-10-13 17:48:00,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1384 transitions. [2020-10-13 17:48:00,393 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1384 transitions. Word has length 152 [2020-10-13 17:48:00,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:00,394 INFO L479 AbstractCegarLoop]: Abstraction has 1149 states and 1384 transitions. [2020-10-13 17:48:00,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 17:48:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1384 transitions. [2020-10-13 17:48:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-13 17:48:00,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:00,399 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:00,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 17:48:00,399 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:00,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:00,400 INFO L82 PathProgramCache]: Analyzing trace with hash 208934418, now seen corresponding path program 1 times [2020-10-13 17:48:00,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:00,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660819307] [2020-10-13 17:48:00,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:00,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:00,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:00,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:00,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:00,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-13 17:48:05,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 17:48:05,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 17:48:05,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-10-13 17:48:05,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:48:05,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,680 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:48:05,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:05,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:05,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 17:48:05,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:05,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:05,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:05,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:05,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:05,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:05,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:05,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:05,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:05,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:05,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:05,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:05,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:05,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:05,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:05,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:05,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:05,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:05,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:05,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:05,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:05,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 17:48:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:05,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:06,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:06,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:06,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 17:48:10,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 17:48:10,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4324 [2020-10-13 17:48:10,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:10,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-13 17:48:10,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:48:10,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:10,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:10,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:10,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:10,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:10,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:10,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:10,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:10,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:10,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:10,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:48:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:48:10,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:10,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:10,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:10,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:10,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:10,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:10,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:10,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:10,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:10,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 17:48:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:10,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:10,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:10,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:10,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:10,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:10,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 17:48:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:10,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:48:10,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 17:48:10,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:10,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:10,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:10,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:10,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 17:48:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 17:48:10,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:10,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:10,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 17:48:10,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:48:10,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 17:48:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:10,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:10,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:10,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 17:48:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:10,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:10,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:10,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 17:48:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:10,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:10,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:10,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 17:48:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:48:10,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:10,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 17:48:10,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:10,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:10,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:10,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:10,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-13 17:48:10,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660819307] [2020-10-13 17:48:10,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:10,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 17:48:10,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652762194] [2020-10-13 17:48:10,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 17:48:10,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:10,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 17:48:10,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:48:10,588 INFO L87 Difference]: Start difference. First operand 1149 states and 1384 transitions. Second operand 10 states. [2020-10-13 17:48:10,819 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 17:48:13,697 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-13 17:48:15,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:15,236 INFO L93 Difference]: Finished difference Result 2243 states and 2733 transitions. [2020-10-13 17:48:15,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 17:48:15,237 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2020-10-13 17:48:15,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:15,245 INFO L225 Difference]: With dead ends: 2243 [2020-10-13 17:48:15,245 INFO L226 Difference]: Without dead ends: 1176 [2020-10-13 17:48:15,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-10-13 17:48:15,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-10-13 17:48:15,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1070. [2020-10-13 17:48:15,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1070 states. [2020-10-13 17:48:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1261 transitions. [2020-10-13 17:48:15,415 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1261 transitions. Word has length 161 [2020-10-13 17:48:15,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:15,416 INFO L479 AbstractCegarLoop]: Abstraction has 1070 states and 1261 transitions. [2020-10-13 17:48:15,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 17:48:15,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1261 transitions. [2020-10-13 17:48:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-13 17:48:15,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:15,420 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:15,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 17:48:15,420 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:15,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:15,420 INFO L82 PathProgramCache]: Analyzing trace with hash -946291081, now seen corresponding path program 1 times [2020-10-13 17:48:15,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:15,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1076392722] [2020-10-13 17:48:15,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:15,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:15,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-13 17:48:18,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:48:18,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2591 [2020-10-13 17:48:18,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:48:18,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-13 17:48:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:18,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,295 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:48:18,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:18,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-13 17:48:18,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:18,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:18,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:18,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:18,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:18,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:18,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:18,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:18,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 17:48:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 17:48:19,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:48:19,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 570 [2020-10-13 17:48:19,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:48:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-13 17:48:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:19,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:19,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:19,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:19,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:48:19,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:19,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 17:48:19,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:19,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:19,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:19,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:19,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:19,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:48:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:48:19,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:19,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:19,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:19,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:19,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:19,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:19,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:19,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:19,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:19,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 17:48:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:19,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:19,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:19,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:19,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:19,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:19,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 17:48:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:19,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:48:19,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 17:48:19,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 17:48:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 17:48:19,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 17:48:19,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:19,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:48:19,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:48:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 17:48:19,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:19,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:19,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:48:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:19,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 17:48:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:48:19,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:19,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 17:48:19,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 17:48:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:19,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:19,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:19,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 17:48:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:19,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:19,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:19,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 17:48:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:19,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:19,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 17:48:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:48:19,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:19,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 17:48:19,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:19,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:19,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:19,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:19,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:19,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 17:48:19,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:19,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-13 17:48:19,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1076392722] [2020-10-13 17:48:19,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:19,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-13 17:48:19,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800529891] [2020-10-13 17:48:19,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 17:48:19,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:19,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 17:48:19,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-13 17:48:19,619 INFO L87 Difference]: Start difference. First operand 1070 states and 1261 transitions. Second operand 16 states. [2020-10-13 17:48:19,803 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 17:48:22,638 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-13 17:48:22,854 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 17:48:23,058 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 17:48:23,282 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 17:48:23,501 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-13 17:48:25,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:25,627 INFO L93 Difference]: Finished difference Result 1679 states and 2011 transitions. [2020-10-13 17:48:25,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 17:48:25,630 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 163 [2020-10-13 17:48:25,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:25,636 INFO L225 Difference]: With dead ends: 1679 [2020-10-13 17:48:25,636 INFO L226 Difference]: Without dead ends: 1176 [2020-10-13 17:48:25,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2020-10-13 17:48:25,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2020-10-13 17:48:25,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1074. [2020-10-13 17:48:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1074 states. [2020-10-13 17:48:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1263 transitions. [2020-10-13 17:48:25,764 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1263 transitions. Word has length 163 [2020-10-13 17:48:25,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:25,765 INFO L479 AbstractCegarLoop]: Abstraction has 1074 states and 1263 transitions. [2020-10-13 17:48:25,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 17:48:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1263 transitions. [2020-10-13 17:48:25,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-13 17:48:25,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:25,767 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:25,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 17:48:25,768 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:25,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:25,768 INFO L82 PathProgramCache]: Analyzing trace with hash 186899512, now seen corresponding path program 1 times [2020-10-13 17:48:25,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:25,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092999721] [2020-10-13 17:48:25,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:25,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-13 17:48:26,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-13 17:48:26,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:48:26,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-13 17:48:26,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:26,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,357 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:48:26,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:26,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 17:48:26,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:26,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 17:48:26,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:26,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:26,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:26,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:26,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:26,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:26,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 17:48:26,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 17:48:26,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-10-13 17:48:26,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:48:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-13 17:48:26,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:26,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:26,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:26,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:26,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:26,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:48:26,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:26,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 17:48:26,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:26,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:26,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:26,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:26,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:48:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:48:26,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:26,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:26,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:26,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:26,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:26,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:26,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:26,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:26,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:26,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:26,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 17:48:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:26,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:26,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:26,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:26,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:26,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:26,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 17:48:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:26,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:48:26,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:48:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 17:48:26,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:26,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-13 17:48:26,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:26,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:26,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:26,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 17:48:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:48:26,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:26,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 17:48:26,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:26,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 17:48:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:26,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:26,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:26,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:26,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:26,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 17:48:26,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:26,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:26,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:26,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:26,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:27,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 17:48:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:27,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:27,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:27,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:27,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:27,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:27,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:27,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:27,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:27,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:27,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:27,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 17:48:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:27,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:27,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:27,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:27,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:27,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:27,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:27,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:27,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:27,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:27,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:27,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 17:48:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:27,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:27,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:27,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:48:27,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:27,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:27,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 17:48:27,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:27,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:27,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:27,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:27,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:27,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:27,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:27,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 17:48:27,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:27,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:27,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-13 17:48:27,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092999721] [2020-10-13 17:48:27,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:27,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 17:48:27,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577853779] [2020-10-13 17:48:27,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 17:48:27,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:27,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 17:48:27,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-13 17:48:27,052 INFO L87 Difference]: Start difference. First operand 1074 states and 1263 transitions. Second operand 12 states. [2020-10-13 17:48:27,229 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 17:48:31,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:31,296 INFO L93 Difference]: Finished difference Result 1230 states and 1457 transitions. [2020-10-13 17:48:31,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 17:48:31,297 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 163 [2020-10-13 17:48:31,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:31,302 INFO L225 Difference]: With dead ends: 1230 [2020-10-13 17:48:31,302 INFO L226 Difference]: Without dead ends: 1180 [2020-10-13 17:48:31,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-13 17:48:31,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2020-10-13 17:48:31,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1078. [2020-10-13 17:48:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1078 states. [2020-10-13 17:48:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1264 transitions. [2020-10-13 17:48:31,434 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1264 transitions. Word has length 163 [2020-10-13 17:48:31,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:31,435 INFO L479 AbstractCegarLoop]: Abstraction has 1078 states and 1264 transitions. [2020-10-13 17:48:31,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 17:48:31,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1264 transitions. [2020-10-13 17:48:31,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-13 17:48:31,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:31,437 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:31,438 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 17:48:31,438 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:31,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:31,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1864677300, now seen corresponding path program 1 times [2020-10-13 17:48:31,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:31,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618630301] [2020-10-13 17:48:31,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:31,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-13 17:48:32,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1113 [2020-10-13 17:48:32,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 17:48:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-13 17:48:32,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,837 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:48:32,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:32,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-13 17:48:32,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:48:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:32,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:48:32,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:48:32,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:32,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:48:32,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:32,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:48:32,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:32,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:32,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:32,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:32,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:32,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:32,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:32,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:32,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:32,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:32,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 17:48:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-13 17:48:33,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-13 17:48:33,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 17:48:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 17:48:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-13 17:48:33,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:33,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:48:33,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:33,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 17:48:33,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:33,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 17:48:33,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:33,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:33,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:48:33,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:33,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:33,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:33,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:33,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:33,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:33,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 17:48:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:48:33,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 17:48:33,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 17:48:33,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:33,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:33,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:33,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:48:33,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:33,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:33,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:33,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:33,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 17:48:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:33,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 17:48:33,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:48:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 17:48:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 17:48:33,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:33,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:33,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:33,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:48:33,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:33,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:33,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 17:48:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:33,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:33,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:48:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:33,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:33,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:33,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:33,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 17:48:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:48:33,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 17:48:33,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:48:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 17:48:33,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 17:48:33,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 17:48:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:33,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:33,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:33,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 17:48:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:33,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:33,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:33,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:33,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 17:48:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:33,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:33,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:33,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 17:48:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 17:48:33,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:33,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 17:48:33,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:33,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:33,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:33,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:33,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:33,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 17:48:33,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:33,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:33,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-13 17:48:34,015 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618630301] [2020-10-13 17:48:34,015 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:34,015 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 17:48:34,016 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520335802] [2020-10-13 17:48:34,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 17:48:34,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:34,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 17:48:34,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-13 17:48:34,017 INFO L87 Difference]: Start difference. First operand 1078 states and 1264 transitions. Second operand 13 states. [2020-10-13 17:48:34,194 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 17:48:36,413 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-13 17:48:41,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:41,401 INFO L93 Difference]: Finished difference Result 2281 states and 2807 transitions. [2020-10-13 17:48:41,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 17:48:41,402 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 164 [2020-10-13 17:48:41,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:41,417 INFO L225 Difference]: With dead ends: 2281 [2020-10-13 17:48:41,417 INFO L226 Difference]: Without dead ends: 1674 [2020-10-13 17:48:41,421 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 53 SyntacticMatches, 3 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2020-10-13 17:48:41,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2020-10-13 17:48:41,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1339. [2020-10-13 17:48:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1339 states. [2020-10-13 17:48:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1339 states and 1563 transitions. [2020-10-13 17:48:41,763 INFO L78 Accepts]: Start accepts. Automaton has 1339 states and 1563 transitions. Word has length 164 [2020-10-13 17:48:41,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:41,765 INFO L479 AbstractCegarLoop]: Abstraction has 1339 states and 1563 transitions. [2020-10-13 17:48:41,765 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 17:48:41,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1563 transitions. [2020-10-13 17:48:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-13 17:48:41,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:41,768 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:41,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 17:48:41,769 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:41,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:41,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1505036705, now seen corresponding path program 1 times [2020-10-13 17:48:41,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:41,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1231858450] [2020-10-13 17:48:41,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:42,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-13 17:48:43,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1642 [2020-10-13 17:48:43,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:48:43,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-13 17:48:43,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:43,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:43,776 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:48:43,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:43,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:43,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 17:48:43,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:43,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:43,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:43,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:43,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:43,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:43,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:43,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:43,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:43,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:43,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:43,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:43,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:43,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:43,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:43,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:43,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:43,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:43,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:43,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 17:48:43,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:43,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:43,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:43,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:43,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:43,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:43,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:43,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:43,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:43,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:43,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 17:48:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:43,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:43,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:43,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:43,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:43,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:43,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 17:48:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:43,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:43,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:43,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:43,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:43,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:43,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:43,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:43,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:48:43,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:43,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:43,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:43,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:43,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:43,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:43,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:43,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:43,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:43,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:43,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:43,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:43,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:43,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:43,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:43,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:48:43,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:43,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:43,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 17:48:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:48:44,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 17:48:44,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:44,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:44,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:48:44,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:44,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:44,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:44,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:44,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:48:44,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:44,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:44,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:44,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:44,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:48:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:44,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:48:44,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:44,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:44,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:44,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:44,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 17:48:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:44,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 17:48:44,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:48:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 17:48:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:44,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:44,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:44,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:44,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 17:48:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 17:48:44,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:44,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 17:48:44,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 17:48:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:44,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:44,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:44,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 17:48:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:44,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:44,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:44,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 17:48:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:44,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:44,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 17:48:44,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:44,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:44,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:44,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 17:48:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:44,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:44,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:44,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 17:48:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:44,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:44,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:44,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 17:48:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:44,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:44,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:44,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 17:48:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:44,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:44,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:44,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 17:48:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 17:48:44,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:48:44,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 17:48:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 17:48:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:44,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:44,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:44,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:44,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:44,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:44,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-13 17:48:44,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1231858450] [2020-10-13 17:48:44,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:44,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 17:48:44,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400355927] [2020-10-13 17:48:44,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 17:48:44,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:44,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 17:48:44,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-13 17:48:44,535 INFO L87 Difference]: Start difference. First operand 1339 states and 1563 transitions. Second operand 10 states. [2020-10-13 17:48:44,701 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 17:48:47,621 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-13 17:48:49,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:49,669 INFO L93 Difference]: Finished difference Result 2156 states and 2529 transitions. [2020-10-13 17:48:49,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 17:48:49,669 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2020-10-13 17:48:49,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:49,674 INFO L225 Difference]: With dead ends: 2156 [2020-10-13 17:48:49,674 INFO L226 Difference]: Without dead ends: 864 [2020-10-13 17:48:49,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2020-10-13 17:48:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2020-10-13 17:48:49,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 769. [2020-10-13 17:48:49,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2020-10-13 17:48:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 885 transitions. [2020-10-13 17:48:49,775 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 885 transitions. Word has length 191 [2020-10-13 17:48:49,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:49,775 INFO L479 AbstractCegarLoop]: Abstraction has 769 states and 885 transitions. [2020-10-13 17:48:49,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 17:48:49,775 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 885 transitions. [2020-10-13 17:48:49,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-13 17:48:49,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:49,777 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:49,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 17:48:49,777 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:49,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:49,777 INFO L82 PathProgramCache]: Analyzing trace with hash 801017215, now seen corresponding path program 1 times [2020-10-13 17:48:49,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:49,778 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534872782] [2020-10-13 17:48:49,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:49,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:52,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:52,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-13 17:48:52,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:52,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2795 [2020-10-13 17:48:52,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 17:48:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:52,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 256 [2020-10-13 17:48:52,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:52,884 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:48:52,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:52,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:52,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:52,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:52,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:52,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 17:48:52,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:52,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:52,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:52,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:48:52,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:52,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:52,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:52,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:52,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:52,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:52,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:52,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:52,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:48:52,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:52,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:52,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:52,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:52,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:52,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:52,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:52,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:52,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:48:52,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:52,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:52,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:52,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:52,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:52,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:52,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:53,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:53,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:53,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 17:48:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:53,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:53,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 17:48:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:53,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:48:53,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 17:48:53,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:53,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:53,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:53,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:53,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:53,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:53,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 17:48:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-13 17:48:53,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 17:48:53,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-13 17:48:53,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:48:53,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:53,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:53,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:48:53,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:48:53,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:53,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:53,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:53,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:53,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:48:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:53,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 17:48:53,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-13 17:48:53,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:53,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:53,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:53,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:53,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 17:48:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:48:53,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 17:48:53,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:48:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 17:48:53,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 17:48:53,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 17:48:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:53,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:48:53,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:48:53,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:48:53,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:53,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 17:48:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 17:48:53,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:48:53,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 17:48:53,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 17:48:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:53,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:53,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 17:48:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:53,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:53,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:53,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 17:48:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:53,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:53,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:48:53,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:53,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:48:53,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 17:48:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:53,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:53,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:53,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 17:48:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:53,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:48:53,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:53,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 17:48:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:53,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:48:53,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:53,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 17:48:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:53,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:53,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:53,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 17:48:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 17:48:53,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 17:48:53,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 17:48:53,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 17:48:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:53,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:53,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:53,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:53,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:53,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:48:53,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:48:53,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:53,523 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2020-10-13 17:48:53,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534872782] [2020-10-13 17:48:53,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:53,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 17:48:53,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112182920] [2020-10-13 17:48:53,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 17:48:53,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:53,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 17:48:53,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-13 17:48:53,525 INFO L87 Difference]: Start difference. First operand 769 states and 885 transitions. Second operand 11 states. [2020-10-13 17:48:53,686 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2020-10-13 17:48:55,920 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-13 17:48:56,695 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2020-10-13 17:48:56,956 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-10-13 17:48:58,425 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2020-10-13 17:49:01,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:49:01,665 INFO L93 Difference]: Finished difference Result 1390 states and 1639 transitions. [2020-10-13 17:49:01,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 17:49:01,666 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 191 [2020-10-13 17:49:01,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:49:01,674 INFO L225 Difference]: With dead ends: 1390 [2020-10-13 17:49:01,674 INFO L226 Difference]: Without dead ends: 1385 [2020-10-13 17:49:01,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2020-10-13 17:49:01,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2020-10-13 17:49:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1195. [2020-10-13 17:49:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1195 states. [2020-10-13 17:49:01,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1396 transitions. [2020-10-13 17:49:01,862 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1396 transitions. Word has length 191 [2020-10-13 17:49:01,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:49:01,863 INFO L479 AbstractCegarLoop]: Abstraction has 1195 states and 1396 transitions. [2020-10-13 17:49:01,863 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 17:49:01,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1396 transitions. [2020-10-13 17:49:01,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-13 17:49:01,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:49:01,865 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:49:01,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 17:49:01,865 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:49:01,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:49:01,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1253958291, now seen corresponding path program 1 times [2020-10-13 17:49:01,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:49:01,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [237723318] [2020-10-13 17:49:01,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:49:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:02,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-10-13 17:49:03,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1135 [2020-10-13 17:49:03,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:49:03,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 265 [2020-10-13 17:49:03,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 17:49:03,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,334 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-10-13 17:49:03,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:03,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:03,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 17:49:03,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:03,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:03,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:49:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:03,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:49:03,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 17:49:03,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:03,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:03,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:03,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:49:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:03,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 17:49:03,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:49:03,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:03,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:03,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:03,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:03,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:49:03,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:03,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:03,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:03,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:03,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:49:03,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:03,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:03,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:03,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 17:49:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:03,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:04,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:04,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-13 17:49:04,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:04,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 542 [2020-10-13 17:49:04,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:04,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:49:04,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:04,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-13 17:49:04,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:04,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:04,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:04,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:04,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:04,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:04,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:49:04,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:04,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:04,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0