/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-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 23:00:15,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 23:00:15,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 23:00:15,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 23:00:15,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 23:00:15,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 23:00:15,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 23:00:15,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 23:00:15,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 23:00:15,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 23:00:15,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 23:00:15,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 23:00:15,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 23:00:15,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 23:00:15,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 23:00:15,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 23:00:15,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 23:00:15,770 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 23:00:15,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 23:00:15,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 23:00:15,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 23:00:15,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 23:00:15,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 23:00:15,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 23:00:15,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 23:00:15,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 23:00:15,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 23:00:15,782 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 23:00:15,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 23:00:15,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 23:00:15,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 23:00:15,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 23:00:15,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 23:00:15,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 23:00:15,786 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 23:00:15,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 23:00:15,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 23:00:15,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 23:00:15,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 23:00:15,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 23:00:15,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 23:00:15,790 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 23:00:15,812 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 23:00:15,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 23:00:15,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 23:00:15,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 23:00:15,814 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 23:00:15,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 23:00:15,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 23:00:15,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 23:00:15,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 23:00:15,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 23:00:15,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 23:00:15,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 23:00:15,815 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 23:00:15,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 23:00:15,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 23:00:15,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 23:00:15,816 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 23:00:15,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 23:00:15,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 23:00:15,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 23:00:15,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 23:00:15,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 23:00:15,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 23:00:15,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 23:00:15,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 23:00:15,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 23:00:15,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 23:00:15,818 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 23:00:16,137 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 23:00:16,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 23:00:16,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 23:00:16,161 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 23:00:16,161 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 23:00:16,163 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2020-10-13 23:00:16,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e15718bb8/03a6f5393f95474f87ef9fc7cab4825b/FLAGa29b6b419 [2020-10-13 23:00:17,014 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 23:00:17,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-validator-v0.6/linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2020-10-13 23:00:17,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e15718bb8/03a6f5393f95474f87ef9fc7cab4825b/FLAGa29b6b419 [2020-10-13 23:00:17,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e15718bb8/03a6f5393f95474f87ef9fc7cab4825b [2020-10-13 23:00:17,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 23:00:17,550 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 23:00:17,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 23:00:17,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 23:00:17,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 23:00:17,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:00:17" (1/1) ... [2020-10-13 23:00:17,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d423800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:17, skipping insertion in model container [2020-10-13 23:00:17,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:00:17" (1/1) ... [2020-10-13 23:00:17,566 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 23:00:17,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 23:00:18,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 23:00:18,835 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 23:00:19,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 23:00:19,205 INFO L208 MainTranslator]: Completed translation [2020-10-13 23:00:19,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:19 WrapperNode [2020-10-13 23:00:19,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 23:00:19,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 23:00:19,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 23:00:19,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 23:00:19,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:19" (1/1) ... [2020-10-13 23:00:19,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:19" (1/1) ... [2020-10-13 23:00:19,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:19" (1/1) ... [2020-10-13 23:00:19,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:19" (1/1) ... [2020-10-13 23:00:19,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:19" (1/1) ... [2020-10-13 23:00:19,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:19" (1/1) ... [2020-10-13 23:00:19,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:19" (1/1) ... [2020-10-13 23:00:19,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 23:00:19,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 23:00:19,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 23:00:19,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 23:00:19,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:19" (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 23:00:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 23:00:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 23:00:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 23:00:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 23:00:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-10-13 23:00:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-10-13 23:00:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-10-13 23:00:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 23:00:19,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-10-13 23:00:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2020-10-13 23:00:19,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 23:00:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-13 23:00:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 23:00:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 23:00:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 23:00:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc_1 [2020-10-13 23:00:19,580 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-13 23:00:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-13 23:00:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-13 23:00:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-13 23:00:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-13 23:00:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-13 23:00:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_data [2020-10-13 23:00:19,583 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_data [2020-10-13 23:00:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure qcprobe [2020-10-13 23:00:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure qc_release [2020-10-13 23:00:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure qcinit [2020-10-13 23:00:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure qcexit [2020-10-13 23:00:19,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_usb_serial_driver_1 [2020-10-13 23:00:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2020-10-13 23:00:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 23:00:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 23:00:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_2 [2020-10-13 23:00:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_3 [2020-10-13 23:00:19,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_4 [2020-10-13 23:00:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_5 [2020-10-13 23:00:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_6 [2020-10-13 23:00:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_7 [2020-10-13 23:00:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_8 [2020-10-13 23:00:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_interface_9 [2020-10-13 23:00:19,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_10 [2020-10-13 23:00:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_11 [2020-10-13 23:00:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kfree_12 [2020-10-13 23:00:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_13 [2020-10-13 23:00:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc [2020-10-13 23:00:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2020-10-13 23:00:19,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 23:00:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 23:00:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 23:00:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 23:00:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_reset_resume_2 [2020-10-13 23:00:19,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 23:00:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 23:00:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_enable_autosuspend [2020-10-13 23:00:19,589 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 23:00:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-13 23:00:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-13 23:00:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-13 23:00:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-13 23:00:19,590 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2020-10-13 23:00:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2020-10-13 23:00:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2020-10-13 23:00:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_chars_in_buffer [2020-10-13 23:00:19,591 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_close [2020-10-13 23:00:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_disconnect [2020-10-13 23:00:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_open [2020-10-13 23:00:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_release [2020-10-13 23:00:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_resume [2020-10-13 23:00:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_startup [2020-10-13 23:00:19,592 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_suspend [2020-10-13 23:00:19,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write [2020-10-13 23:00:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_wwan_write_room [2020-10-13 23:00:19,594 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 23:00:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-13 23:00:19,595 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-13 23:00:19,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 23:00:19,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 23:00:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 23:00:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 23:00:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-13 23:00:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-13 23:00:19,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 23:00:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 23:00:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 23:00:19,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 23:00:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 23:00:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 23:00:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 23:00:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-13 23:00:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-10-13 23:00:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-10-13 23:00:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 23:00:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-10-13 23:00:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2020-10-13 23:00:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-13 23:00:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc [2020-10-13 23:00:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2020-10-13 23:00:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 23:00:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 23:00:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 23:00:19,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_4 [2020-10-13 23:00:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_6 [2020-10-13 23:00:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_8 [2020-10-13 23:00:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_10 [2020-10-13 23:00:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_11 [2020-10-13 23:00:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kfree_12 [2020-10-13 23:00:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 23:00:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 23:00:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc_1 [2020-10-13 23:00:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 23:00:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_usb_serial_driver_1 [2020-10-13 23:00:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2020-10-13 23:00:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 23:00:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-13 23:00:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 23:00:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-13 23:00:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-13 23:00:19,642 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-13 23:00:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-13 23:00:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_enable_autosuspend [2020-10-13 23:00:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 23:00:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_2 [2020-10-13 23:00:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-13 23:00:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 23:00:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 23:00:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_13 [2020-10-13 23:00:19,645 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2020-10-13 23:00:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_3 [2020-10-13 23:00:19,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_5 [2020-10-13 23:00:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_7 [2020-10-13 23:00:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_interface_9 [2020-10-13 23:00:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_data [2020-10-13 23:00:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 23:00:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_data [2020-10-13 23:00:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 23:00:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-13 23:00:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-13 23:00:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-13 23:00:19,649 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-13 23:00:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2020-10-13 23:00:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2020-10-13 23:00:19,650 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_open [2020-10-13 23:00:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_close [2020-10-13 23:00:19,651 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_startup [2020-10-13 23:00:19,652 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_disconnect [2020-10-13 23:00:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_release [2020-10-13 23:00:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write_room [2020-10-13 23:00:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_write [2020-10-13 23:00:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_chars_in_buffer [2020-10-13 23:00:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_suspend [2020-10-13 23:00:19,657 INFO L130 BoogieDeclarations]: Found specification of procedure usb_wwan_resume [2020-10-13 23:00:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure qcprobe [2020-10-13 23:00:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 23:00:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure qc_release [2020-10-13 23:00:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure qcinit [2020-10-13 23:00:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure qcexit [2020-10-13 23:00:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_reset_resume_2 [2020-10-13 23:00:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 23:00:19,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 23:00:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 23:00:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-13 23:00:19,659 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 23:00:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 23:00:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 23:00:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 23:00:19,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 23:00:19,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 23:00:20,595 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-10-13 23:00:22,083 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 23:00:22,083 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 23:00:22,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:00:22 BoogieIcfgContainer [2020-10-13 23:00:22,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 23:00:22,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 23:00:22,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 23:00:22,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 23:00:22,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:00:17" (1/3) ... [2020-10-13 23:00:22,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd3a856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:00:22, skipping insertion in model container [2020-10-13 23:00:22,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:00:19" (2/3) ... [2020-10-13 23:00:22,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd3a856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:00:22, skipping insertion in model container [2020-10-13 23:00:22,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:00:22" (3/3) ... [2020-10-13 23:00:22,107 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-stable-c0cc359-104_1a-drivers--usb--serial--qcserial.ko-entry_point.cil.out.i [2020-10-13 23:00:22,119 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 23:00:22,132 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 23:00:22,146 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 23:00:22,177 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 23:00:22,177 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 23:00:22,177 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 23:00:22,178 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 23:00:22,178 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 23:00:22,178 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 23:00:22,178 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 23:00:22,178 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 23:00:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states. [2020-10-13 23:00:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-13 23:00:22,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:00:22,250 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-13 23:00:22,250 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:00:22,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:00:22,257 INFO L82 PathProgramCache]: Analyzing trace with hash -101387614, now seen corresponding path program 1 times [2020-10-13 23:00:22,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:00:22,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1424974525] [2020-10-13 23:00:22,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:00:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:23,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:23,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:27,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:28,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:28,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-13 23:00:28,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 23:00:28,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5151 [2020-10-13 23:00:28,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 23:00:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 23:00:28,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 23:00:28,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 23:00:28,870 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:00:28,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:00:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:28,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:29,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:29,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:00:29,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:29,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 196 [2020-10-13 23:00:29,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:29,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:29,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:29,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:00:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:29,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:29,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:29,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:29,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:29,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:00:29,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:29,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:29,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:29,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:00:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:29,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:29,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:29,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:29,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:29,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 23:00:29,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:29,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:29,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:29,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:29,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:00:29,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:00:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:29,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:29,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:29,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:29,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:29,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 23:00:29,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:29,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:29,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:29,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:29,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:00:29,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:00:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:29,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:29,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:29,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:00:29,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:29,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 23:00:29,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:29,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:29,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:29,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:29,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:29,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:00:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:29,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:29,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:29,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:29,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:29,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 23:00:29,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 23:00:29,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 23:00:29,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 23:00:29,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:29,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 23:00:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:29,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:29,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:29,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:29,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:29,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:00:29,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 23:00:29,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:29,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 23:00:29,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:29,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:29,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 23:00:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:29,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:29,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:29,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:00:29,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:29,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 23:00:29,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:29,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:29,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 23:00:29,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:29,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:29,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:00:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:29,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:29,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:29,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:00:29,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:29,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:00:29,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:29,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:29,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:29,498 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-13 23:00:29,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1424974525] [2020-10-13 23:00:29,501 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 23:00:29,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 23:00:29,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866239587] [2020-10-13 23:00:29,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 23:00:29,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:00:29,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 23:00:29,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 23:00:29,525 INFO L87 Difference]: Start difference. First operand 550 states. Second operand 8 states. [2020-10-13 23:00:30,047 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-13 23:00:31,423 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-13 23:00:31,977 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2020-10-13 23:00:37,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:00:37,667 INFO L93 Difference]: Finished difference Result 1146 states and 1522 transitions. [2020-10-13 23:00:37,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 23:00:37,670 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 62 [2020-10-13 23:00:37,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:00:37,689 INFO L225 Difference]: With dead ends: 1146 [2020-10-13 23:00:37,689 INFO L226 Difference]: Without dead ends: 590 [2020-10-13 23:00:37,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-10-13 23:00:37,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2020-10-13 23:00:37,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 534. [2020-10-13 23:00:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-13 23:00:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 691 transitions. [2020-10-13 23:00:37,874 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 691 transitions. Word has length 62 [2020-10-13 23:00:37,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:00:37,874 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 691 transitions. [2020-10-13 23:00:37,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 23:00:37,875 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 691 transitions. [2020-10-13 23:00:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-13 23:00:37,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:00:37,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-13 23:00:37,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 23:00:37,880 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:00:37,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:00:37,881 INFO L82 PathProgramCache]: Analyzing trace with hash -854472412, now seen corresponding path program 1 times [2020-10-13 23:00:37,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:00:37,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622663503] [2020-10-13 23:00:37,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:00:37,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:38,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:38,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:42,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:42,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 23:00:42,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:00:42,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 23:00:42,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:42,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 23:00:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 23:00:42,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 23:00:42,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:43,561 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:00:43,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:00:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:43,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:43,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:43,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:00:43,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-10-13 23:00:43,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:43,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:43,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:43,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:00:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:43,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:43,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:43,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:43,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:43,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:00:43,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:43,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:43,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:43,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:00:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:43,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:43,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:43,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:43,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:43,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:00:43,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:43,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:43,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:43,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:43,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:00:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:43,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:43,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:43,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:43,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:43,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:00:43,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:43,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:43,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:43,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:43,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:43,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:00:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:43,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:43,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:43,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:00:43,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:43,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:43,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:43,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:43,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:43,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:43,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:43,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:00:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:43,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:44,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:44,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 23:00:44,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:44,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 23:00:44,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 23:00:44,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 23:00:44,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 23:00:44,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:44,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 23:00:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:44,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:44,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:44,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:44,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 23:00:44,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:00:44,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-13 23:00:44,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:44,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:44,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 23:00:44,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:44,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:44,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 23:00:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:44,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:44,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:44,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:00:44,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 23:00:44,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 23:00:44,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:44,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:44,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:00:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:44,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:44,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:44,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:00:44,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:44,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:44,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:44,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:44,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-13 23:00:44,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622663503] [2020-10-13 23:00:44,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 23:00:44,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 23:00:44,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460055250] [2020-10-13 23:00:44,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 23:00:44,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:00:44,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 23:00:44,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-13 23:00:44,199 INFO L87 Difference]: Start difference. First operand 534 states and 691 transitions. Second operand 9 states. [2020-10-13 23:00:44,803 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-13 23:00:46,101 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-13 23:00:46,645 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-13 23:00:47,181 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-13 23:00:52,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:00:52,441 INFO L93 Difference]: Finished difference Result 1111 states and 1444 transitions. [2020-10-13 23:00:52,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 23:00:52,444 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-13 23:00:52,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:00:52,451 INFO L225 Difference]: With dead ends: 1111 [2020-10-13 23:00:52,451 INFO L226 Difference]: Without dead ends: 591 [2020-10-13 23:00:52,454 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-13 23:00:52,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2020-10-13 23:00:52,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 535. [2020-10-13 23:00:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2020-10-13 23:00:52,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 692 transitions. [2020-10-13 23:00:52,557 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 692 transitions. Word has length 64 [2020-10-13 23:00:52,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:00:52,557 INFO L479 AbstractCegarLoop]: Abstraction has 535 states and 692 transitions. [2020-10-13 23:00:52,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 23:00:52,558 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 692 transitions. [2020-10-13 23:00:52,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-13 23:00:52,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:00:52,560 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2020-10-13 23:00:52,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 23:00:52,560 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:00:52,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:00:52,561 INFO L82 PathProgramCache]: Analyzing trace with hash 632813730, now seen corresponding path program 2 times [2020-10-13 23:00:52,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:00:52,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2070082654] [2020-10-13 23:00:52,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:00:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:52,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:52,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:57,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:57,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 23:00:57,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:00:57,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5096 [2020-10-13 23:00:57,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:57,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 23:00:57,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-13 23:00:57,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 23:00:57,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:58,482 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:00:58,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:00:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:58,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:58,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:58,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:00:58,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:58,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-13 23:00:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:58,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:00:58,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:00:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:58,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:58,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:58,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:58,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:58,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 23:00:58,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:58,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:58,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:58,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:58,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:00:58,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:00:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:58,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:58,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:58,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:58,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:58,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 23:00:58,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:58,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:58,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:58,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:00:58,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:00:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:58,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:58,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:58,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:00:58,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:58,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:00:58,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:58,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:58,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:58,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:58,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:00:58,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:00:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:58,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:58,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:58,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:00:58,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:58,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:58,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:58,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:58,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:58,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:58,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:58,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:00:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:58,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:58,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:58,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:58,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 23:00:58,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:00:58,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-13 23:00:58,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:58,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:58,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:58,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 23:00:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:58,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:58,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:58,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 23:00:58,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:58,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 23:00:58,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 23:00:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 23:00:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 23:00:58,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:59,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 23:00:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:59,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:59,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:59,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:00:59,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:59,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 23:00:59,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:59,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:59,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 23:00:59,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:59,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:59,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:00:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:00:59,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:00:59,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:00:59,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:00:59,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:00:59,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:00:59,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:00:59,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:00:59,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:00:59,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:00:59,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:00:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 23:00:59,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2070082654] [2020-10-13 23:00:59,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 23:00:59,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 23:00:59,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366435779] [2020-10-13 23:00:59,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 23:00:59,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:00:59,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 23:00:59,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-13 23:00:59,110 INFO L87 Difference]: Start difference. First operand 535 states and 692 transitions. Second operand 10 states. [2020-10-13 23:00:59,697 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-13 23:01:01,073 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-13 23:01:01,610 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-13 23:01:02,107 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-13 23:01:02,622 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-13 23:01:08,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:01:08,030 INFO L93 Difference]: Finished difference Result 1113 states and 1446 transitions. [2020-10-13 23:01:08,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 23:01:08,034 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-10-13 23:01:08,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:01:08,049 INFO L225 Difference]: With dead ends: 1113 [2020-10-13 23:01:08,050 INFO L226 Difference]: Without dead ends: 592 [2020-10-13 23:01:08,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2020-10-13 23:01:08,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-13 23:01:08,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 536. [2020-10-13 23:01:08,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-10-13 23:01:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 693 transitions. [2020-10-13 23:01:08,152 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 693 transitions. Word has length 66 [2020-10-13 23:01:08,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:01:08,153 INFO L479 AbstractCegarLoop]: Abstraction has 536 states and 693 transitions. [2020-10-13 23:01:08,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 23:01:08,153 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 693 transitions. [2020-10-13 23:01:08,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-13 23:01:08,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:01:08,155 INFO L422 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 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] [2020-10-13 23:01:08,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 23:01:08,156 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:01:08,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:01:08,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1086946980, now seen corresponding path program 3 times [2020-10-13 23:01:08,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:01:08,157 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [174575428] [2020-10-13 23:01:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:01:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:08,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:08,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:13,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:13,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-13 23:01:13,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:01:13,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-13 23:01:13,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:13,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 23:01:13,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 23:01:13,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 23:01:13,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:13,783 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:01:13,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:01:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:13,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:13,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:13,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:13,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:13,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-10-13 23:01:13,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:13,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:13,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:13,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:01:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:13,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:13,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:13,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:13,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:13,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:13,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:13,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:13,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:13,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:01:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:13,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:13,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:13,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:13,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:13,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:01:13,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:13,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:13,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:01:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:13,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:13,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:13,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:13,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:14,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:14,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:14,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:01:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:14,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:14,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:14,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:01:14,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:14,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 23:01:14,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:14,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:01:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:14,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:14,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:14,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 23:01:14,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:14,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 23:01:14,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:14,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 23:01:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 23:01:14,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 23:01:14,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:14,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 23:01:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:14,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:14,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:14,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:14,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-13 23:01:14,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:01:14,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 23:01:14,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:14,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:14,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 23:01:14,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:14,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:14,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 23:01:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:14,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:14,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:14,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:01:14,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:14,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 23:01:14,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 23:01:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:14,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:14,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:01:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:14,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:14,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:14,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:14,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:14,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:14,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:14,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:14,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:14,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:14,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-13 23:01:14,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [174575428] [2020-10-13 23:01:14,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 23:01:14,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 23:01:14,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697776362] [2020-10-13 23:01:14,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 23:01:14,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:01:14,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 23:01:14,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-13 23:01:14,270 INFO L87 Difference]: Start difference. First operand 536 states and 693 transitions. Second operand 11 states. [2020-10-13 23:01:14,799 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-13 23:01:16,148 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-13 23:01:16,646 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-13 23:01:17,157 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-13 23:01:17,672 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2020-10-13 23:01:18,190 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2020-10-13 23:01:24,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:01:24,024 INFO L93 Difference]: Finished difference Result 1115 states and 1448 transitions. [2020-10-13 23:01:24,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 23:01:24,025 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 68 [2020-10-13 23:01:24,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:01:24,030 INFO L225 Difference]: With dead ends: 1115 [2020-10-13 23:01:24,031 INFO L226 Difference]: Without dead ends: 593 [2020-10-13 23:01:24,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2020-10-13 23:01:24,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-13 23:01:24,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 537. [2020-10-13 23:01:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-10-13 23:01:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 694 transitions. [2020-10-13 23:01:24,120 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 694 transitions. Word has length 68 [2020-10-13 23:01:24,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:01:24,120 INFO L479 AbstractCegarLoop]: Abstraction has 537 states and 694 transitions. [2020-10-13 23:01:24,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 23:01:24,121 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 694 transitions. [2020-10-13 23:01:24,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-13 23:01:24,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:01:24,122 INFO L422 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 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] [2020-10-13 23:01:24,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 23:01:24,123 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:01:24,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:01:24,123 INFO L82 PathProgramCache]: Analyzing trace with hash -243265886, now seen corresponding path program 4 times [2020-10-13 23:01:24,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:01:24,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8043709] [2020-10-13 23:01:24,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:01:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:24,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:25,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:25,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-13 23:01:25,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:25,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 956 [2020-10-13 23:01:25,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:25,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 23:01:25,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 23:01:25,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-13 23:01:25,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:25,917 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:01:25,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:01:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:26,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:26,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:26,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:26,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:26,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 396 [2020-10-13 23:01:26,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:01:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:26,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 23:01:26,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:26,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:01:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:26,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:26,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:26,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:26,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:26,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:01:26,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:26,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:01:26,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:26,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 23:01:26,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:26,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:01:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:26,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:26,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:26,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:26,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:26,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 23:01:26,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:01:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 23:01:26,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:26,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:01:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:26,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:26,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:26,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:26,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:26,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:01:26,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:01:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:26,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 23:01:26,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:26,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:01:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:26,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:26,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:26,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:01:26,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:26,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:01:26,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:26,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:01:26,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:26,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 23:01:26,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:26,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:01:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:26,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:26,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:26,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:01:26,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:26,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 23:01:26,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:01:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 23:01:26,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:26,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 23:01:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:26,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:26,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:26,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:01:26,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:26,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 23:01:26,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:26,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:01:26,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:26,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 23:01:26,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 23:01:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:26,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:26,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:26,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:01:26,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:26,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 23:01:26,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:26,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:01:26,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:26,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 23:01:26,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:26,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:01:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:26,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:26,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:26,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:26,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:26,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:26,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:26,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:26,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-13 23:01:26,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8043709] [2020-10-13 23:01:26,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:01:26,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 23:01:26,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116274828] [2020-10-13 23:01:26,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 23:01:26,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:01:26,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 23:01:26,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-13 23:01:26,689 INFO L87 Difference]: Start difference. First operand 537 states and 694 transitions. Second operand 7 states. [2020-10-13 23:01:27,210 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-13 23:01:27,975 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-13 23:01:28,525 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-13 23:01:37,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:01:37,530 INFO L93 Difference]: Finished difference Result 1129 states and 1482 transitions. [2020-10-13 23:01:37,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 23:01:37,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-10-13 23:01:37,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:01:37,539 INFO L225 Difference]: With dead ends: 1129 [2020-10-13 23:01:37,540 INFO L226 Difference]: Without dead ends: 1110 [2020-10-13 23:01:37,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2020-10-13 23:01:37,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2020-10-13 23:01:37,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 994. [2020-10-13 23:01:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 994 states. [2020-10-13 23:01:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 994 states and 1295 transitions. [2020-10-13 23:01:37,691 INFO L78 Accepts]: Start accepts. Automaton has 994 states and 1295 transitions. Word has length 70 [2020-10-13 23:01:37,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:01:37,691 INFO L479 AbstractCegarLoop]: Abstraction has 994 states and 1295 transitions. [2020-10-13 23:01:37,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 23:01:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1295 transitions. [2020-10-13 23:01:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-13 23:01:37,695 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:01:37,696 INFO L422 BasicCegarLoop]: trace histogram [8, 3, 3, 3, 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] [2020-10-13 23:01:37,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 23:01:37,696 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:01:37,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:01:37,697 INFO L82 PathProgramCache]: Analyzing trace with hash -32628077, now seen corresponding path program 1 times [2020-10-13 23:01:37,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:01:37,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914554185] [2020-10-13 23:01:37,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:01:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:37,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:37,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:38,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:39,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:39,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-13 23:01:39,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 23:01:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1804 [2020-10-13 23:01:39,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:01:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-13 23:01:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 23:01:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,425 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:01:40,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:01:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:40,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-13 23:01:40,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:01:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:40,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:01:40,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:01:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:40,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:01:40,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:01:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:40,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:01:40,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:01:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:01:40,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 23:01:40,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:01:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:01:40,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:01:40,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 23:01:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:01:40,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:01:40,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 23:01:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 23:01:40,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 23:01:40,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 23:01:40,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:01:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:40,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:40,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:01:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:40,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:40,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 23:01:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:40,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:01:40,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 23:01:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 23:01:40,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:01:40,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:01:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:40,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:01:40,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 23:01:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:40,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:40,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 23:01:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:01:40,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 23:01:40,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 23:01:40,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:01:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:40,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:40,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:40,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:40,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:40,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:40,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:40,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:40,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:40,898 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-13 23:01:40,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914554185] [2020-10-13 23:01:40,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:01:40,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 23:01:40,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289020236] [2020-10-13 23:01:40,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 23:01:40,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:01:40,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 23:01:40,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-13 23:01:40,901 INFO L87 Difference]: Start difference. First operand 994 states and 1295 transitions. Second operand 11 states. [2020-10-13 23:01:41,424 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-13 23:01:42,144 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-13 23:01:42,725 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-13 23:01:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:01:47,960 INFO L93 Difference]: Finished difference Result 2397 states and 3127 transitions. [2020-10-13 23:01:47,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 23:01:47,963 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2020-10-13 23:01:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:01:47,973 INFO L225 Difference]: With dead ends: 2397 [2020-10-13 23:01:47,973 INFO L226 Difference]: Without dead ends: 1430 [2020-10-13 23:01:47,977 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=136, Invalid=326, Unknown=0, NotChecked=0, Total=462 [2020-10-13 23:01:47,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2020-10-13 23:01:48,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1277. [2020-10-13 23:01:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-10-13 23:01:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1669 transitions. [2020-10-13 23:01:48,180 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1669 transitions. Word has length 113 [2020-10-13 23:01:48,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:01:48,180 INFO L479 AbstractCegarLoop]: Abstraction has 1277 states and 1669 transitions. [2020-10-13 23:01:48,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 23:01:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1669 transitions. [2020-10-13 23:01:48,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 23:01:48,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:01:48,190 INFO L422 BasicCegarLoop]: trace histogram [8, 6, 6, 6, 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] [2020-10-13 23:01:48,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 23:01:48,190 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:01:48,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:01:48,190 INFO L82 PathProgramCache]: Analyzing trace with hash -83300883, now seen corresponding path program 1 times [2020-10-13 23:01:48,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:01:48,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1579771024] [2020-10-13 23:01:48,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:01:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:48,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:48,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:49,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:51,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:52,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:53,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:53,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-13 23:01:53,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 23:01:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5112 [2020-10-13 23:01:53,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 23:01:53,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-10-13 23:01:53,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 23:01:53,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:54,460 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:01:54,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:01:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:54,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:54,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:54,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:54,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:54,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-13 23:01:54,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:54,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:01:54,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:01:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:54,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:54,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:54,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:54,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:54,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:54,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:54,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:54,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:54,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:54,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:54,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:01:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:54,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:54,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:54,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:54,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:54,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:01:54,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:54,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:54,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:54,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:01:54,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:01:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:54,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:54,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:54,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:54,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:54,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 23:01:54,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:54,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:54,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:54,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:01:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:54,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:54,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:54,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:01:54,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:54,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:54,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:54,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:54,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:54,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:54,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:54,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:01:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:54,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:54,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:54,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:01:54,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:54,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 23:01:54,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:54,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:54,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:54,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:54,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:54,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 23:01:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:54,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:54,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:54,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:01:54,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:54,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 23:01:54,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:54,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 23:01:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:54,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:54,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:54,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:01:54,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:54,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 23:01:54,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 23:01:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:54,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 23:01:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:54,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:01:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:54,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:54,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:54,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:54,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:54,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:01:54,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:54,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:54,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:54,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 23:01:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 23:01:55,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 23:01:55,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 23:01:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:01:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:55,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:01:55,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:55,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:01:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:55,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:01:55,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:55,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 23:01:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:01:55,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:01:55,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:55,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 23:01:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 23:01:55,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 23:01:55,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 23:01:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:01:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:55,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:01:55,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:01:55,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:55,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:55,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:55,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 23:01:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:55,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:01:55,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:55,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 23:01:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 23:01:55,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:01:55,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:55,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:01:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:55,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:55,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 23:01:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:55,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:01:55,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:55,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:01:55,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 23:01:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:01:55,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 23:01:55,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 23:01:55,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:01:55,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:01:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:01:55,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:01:55,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:01:55,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:01:55,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:01:55,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:01:55,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:01:55,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:01:55,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:01:55,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:01:55,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:01:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-10-13 23:01:55,367 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1579771024] [2020-10-13 23:01:55,367 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 23:01:55,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 23:01:55,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349745351] [2020-10-13 23:01:55,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 23:01:55,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:01:55,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 23:01:55,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-13 23:01:55,369 INFO L87 Difference]: Start difference. First operand 1277 states and 1669 transitions. Second operand 14 states. [2020-10-13 23:01:55,931 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-13 23:01:57,770 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 326 [2020-10-13 23:01:59,063 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-13 23:02:00,068 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2020-10-13 23:02:00,971 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2020-10-13 23:02:15,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:02:15,481 INFO L93 Difference]: Finished difference Result 4034 states and 5249 transitions. [2020-10-13 23:02:15,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 23:02:15,482 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2020-10-13 23:02:15,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:02:15,497 INFO L225 Difference]: With dead ends: 4034 [2020-10-13 23:02:15,497 INFO L226 Difference]: Without dead ends: 2770 [2020-10-13 23:02:15,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=217, Invalid=713, Unknown=0, NotChecked=0, Total=930 [2020-10-13 23:02:15,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2770 states. [2020-10-13 23:02:15,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2770 to 2372. [2020-10-13 23:02:15,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2372 states. [2020-10-13 23:02:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 3107 transitions. [2020-10-13 23:02:15,866 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 3107 transitions. Word has length 155 [2020-10-13 23:02:15,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:02:15,866 INFO L479 AbstractCegarLoop]: Abstraction has 2372 states and 3107 transitions. [2020-10-13 23:02:15,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 23:02:15,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 3107 transitions. [2020-10-13 23:02:15,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-13 23:02:15,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:02:15,876 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 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 23:02:15,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 23:02:15,876 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:02:15,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:02:15,877 INFO L82 PathProgramCache]: Analyzing trace with hash -838320904, now seen corresponding path program 1 times [2020-10-13 23:02:15,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:02:15,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963688078] [2020-10-13 23:02:15,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:02:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:16,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:16,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:16,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:18,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:18,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-13 23:02:18,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 23:02:18,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2312 [2020-10-13 23:02:18,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:02:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-13 23:02:18,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-13 23:02:18,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:18,853 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:02:18,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:02:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:18,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:19,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-13 23:02:19,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:02:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:19,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:02:19,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:02:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:19,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:02:19,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:02:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:19,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:02:19,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:02:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:02:19,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:02:19,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:02:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:02:19,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 23:02:19,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 23:02:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:02:19,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 23:02:19,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 23:02:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 23:02:19,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 23:02:19,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:19,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:02:19,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:02:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 23:02:19,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 23:02:19,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 23:02:19,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 23:02:19,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:19,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:02:19,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:02:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:02:19,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:02:19,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:19,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:02:19,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:02:19,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 23:02:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 23:02:19,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 23:02:19,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:02:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-13 23:02:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:19,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:02:19,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:02:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:19,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:02:19,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 23:02:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:19,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:02:19,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 23:02:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 23:02:19,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 23:02:19,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-13 23:02:19,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:19,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:02:19,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:02:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:19,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:02:19,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 23:02:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:19,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:02:19,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 23:02:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 23:02:19,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:02:19,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:19,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:02:19,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-13 23:02:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:19,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:02:19,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 23:02:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:02:19,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:02:19,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 23:02:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:19,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:19,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:19,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:19,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 23:02:19,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:19,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:19,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:19,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:19,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:19,741 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2020-10-13 23:02:19,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963688078] [2020-10-13 23:02:19,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:02:19,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 23:02:19,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122698180] [2020-10-13 23:02:19,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 23:02:19,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:02:19,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 23:02:19,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=116, Unknown=0, NotChecked=0, Total=156 [2020-10-13 23:02:19,743 INFO L87 Difference]: Start difference. First operand 2372 states and 3107 transitions. Second operand 13 states. [2020-10-13 23:02:20,262 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-13 23:02:20,983 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2020-10-13 23:02:21,573 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2020-10-13 23:02:27,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:02:27,194 INFO L93 Difference]: Finished difference Result 5733 states and 7523 transitions. [2020-10-13 23:02:27,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 23:02:27,201 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 182 [2020-10-13 23:02:27,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:02:27,219 INFO L225 Difference]: With dead ends: 5733 [2020-10-13 23:02:27,219 INFO L226 Difference]: Without dead ends: 3388 [2020-10-13 23:02:27,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=200, Invalid=502, Unknown=0, NotChecked=0, Total=702 [2020-10-13 23:02:27,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3388 states. [2020-10-13 23:02:27,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3388 to 2919. [2020-10-13 23:02:27,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2919 states. [2020-10-13 23:02:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 2919 states and 3801 transitions. [2020-10-13 23:02:27,669 INFO L78 Accepts]: Start accepts. Automaton has 2919 states and 3801 transitions. Word has length 182 [2020-10-13 23:02:27,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:02:27,671 INFO L479 AbstractCegarLoop]: Abstraction has 2919 states and 3801 transitions. [2020-10-13 23:02:27,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 23:02:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2919 states and 3801 transitions. [2020-10-13 23:02:27,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-13 23:02:27,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:02:27,681 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 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] [2020-10-13 23:02:27,681 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 23:02:27,681 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:02:27,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:02:27,682 INFO L82 PathProgramCache]: Analyzing trace with hash 993623064, now seen corresponding path program 1 times [2020-10-13 23:02:27,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:02:27,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698808115] [2020-10-13 23:02:27,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:02:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:28,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:28,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:29,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:30,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:33,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:33,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-13 23:02:33,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 23:02:33,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5211 [2020-10-13 23:02:33,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 23:02:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-10-13 23:02:33,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 23:02:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:33,671 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:02:33,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:02:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:33,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:33,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:33,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:33,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:33,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-13 23:02:33,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:33,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:33,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:33,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:33,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:33,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:02:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:33,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:33,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:33,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:33,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:33,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:02:33,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:33,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:33,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:33,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:02:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:33,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:33,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:33,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:33,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:33,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 23:02:33,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:33,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:33,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:33,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:33,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:33,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:02:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:33,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:33,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:33,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:33,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:33,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:02:33,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:33,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:33,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:33,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:02:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:33,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:33,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:33,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:02:33,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:33,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 23:02:33,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:33,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:33,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:33,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:33,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:02:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:02:34,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 23:02:34,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:34,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 23:02:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:02:34,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 23:02:34,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:34,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 23:02:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 23:02:34,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 23:02:34,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:34,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:34,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:02:34,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:34,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:02:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 23:02:34,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-13 23:02:34,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:34,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 23:02:34,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 23:02:34,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:34,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:34,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:02:34,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:02:34,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:02:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:02:34,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 23:02:34,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:02:34,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:34,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:02:34,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:02:34,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 23:02:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 23:02:34,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 23:02:34,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:34,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:34,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:02:34,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:34,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:02:34,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:34,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:02:34,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:34,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 23:02:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:34,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:34,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:34,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:02:34,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:34,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:34,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:34,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:34,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:34,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 23:02:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:34,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:34,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:35,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:35,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:35,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-13 23:02:35,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 23:02:35,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1292 [2020-10-13 23:02:35,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 23:02:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 23:02:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 23:02:35,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:35,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:02:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:35,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:35,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:36,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:36,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-13 23:02:36,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:02:36,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 366 [2020-10-13 23:02:36,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 23:02:36,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-13 23:02:36,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 23:02:36,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:36,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:36,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:36,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:36,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 23:02:36,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:36,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-13 23:02:36,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:36,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 23:02:36,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:36,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-13 23:02:36,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:36,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:36,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:36,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:36,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 23:02:36,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:36,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-10-13 23:02:36,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:36,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 23:02:36,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:36,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 23:02:36,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:36,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:36,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:36,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:36,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:02:36,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-13 23:02:36,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 23:02:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 23:02:36,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:36,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:36,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:36,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:36,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:02:36,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:36,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 23:02:36,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 23:02:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 23:02:36,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:36,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 23:02:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:36,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:36,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:36,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:36,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:36,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:02:36,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:36,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:36,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 23:02:36,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:36,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:36,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 23:02:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:36,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:36,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:36,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:02:36,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:36,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 23:02:36,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 23:02:36,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:36,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:36,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:02:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:36,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:36,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:02:36,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:02:36,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:02:36,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:02:36,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:02:36,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:02:36,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:02:36,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:02:36,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:02:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-10-13 23:02:37,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698808115] [2020-10-13 23:02:37,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:02:37,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-13 23:02:37,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745529888] [2020-10-13 23:02:37,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-13 23:02:37,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:02:37,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-13 23:02:37,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2020-10-13 23:02:37,067 INFO L87 Difference]: Start difference. First operand 2919 states and 3801 transitions. Second operand 25 states. [2020-10-13 23:02:37,618 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-13 23:02:43,613 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-13 23:02:44,353 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-13 23:02:44,937 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-13 23:02:45,559 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-13 23:02:46,146 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-13 23:02:46,753 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-13 23:02:47,332 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-13 23:02:47,945 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2020-10-13 23:02:48,557 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2020-10-13 23:02:57,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:02:57,077 INFO L93 Difference]: Finished difference Result 4751 states and 6175 transitions. [2020-10-13 23:02:57,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 23:02:57,084 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 189 [2020-10-13 23:02:57,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:02:57,099 INFO L225 Difference]: With dead ends: 4751 [2020-10-13 23:02:57,099 INFO L226 Difference]: Without dead ends: 3199 [2020-10-13 23:02:57,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=315, Invalid=1491, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 23:02:57,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2020-10-13 23:02:57,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 2971. [2020-10-13 23:02:57,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2971 states. [2020-10-13 23:02:57,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 2971 states and 3853 transitions. [2020-10-13 23:02:57,573 INFO L78 Accepts]: Start accepts. Automaton has 2971 states and 3853 transitions. Word has length 189 [2020-10-13 23:02:57,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:02:57,574 INFO L479 AbstractCegarLoop]: Abstraction has 2971 states and 3853 transitions. [2020-10-13 23:02:57,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-13 23:02:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2971 states and 3853 transitions. [2020-10-13 23:02:57,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-13 23:02:57,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:02:57,582 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 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] [2020-10-13 23:02:57,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 23:02:57,583 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:02:57,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:02:57,583 INFO L82 PathProgramCache]: Analyzing trace with hash -236636675, now seen corresponding path program 1 times [2020-10-13 23:02:57,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:02:57,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [738603474] [2020-10-13 23:02:57,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:02:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:02:58,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:58,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:58,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:02:59,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:00,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:00,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:02,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:02,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-10-13 23:03:02,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 23:03:02,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-13 23:03:02,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:02,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 23:03:02,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 223 [2020-10-13 23:03:02,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 23:03:02,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:03,561 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:03:03,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:03:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:03,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:03,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:03,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:03,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:03,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-13 23:03:03,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:03,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:03,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:03,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:03,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:04,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:03:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:04,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:03:04,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:04,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:03:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:04,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:03:04,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:04,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:03:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:04,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 23:03:04,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:04,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:03:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:03:04,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:03:04,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:04,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:03:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:03:04,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 23:03:04,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 23:03:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:03:04,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 23:03:04,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 23:03:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 23:03:04,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 23:03:04,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:04,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:04,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:03:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 23:03:04,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 23:03:04,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 23:03:04,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 23:03:04,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:04,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:04,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:03:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:03:04,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:03:04,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:04,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:04,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:03:04,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:04,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 23:03:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 23:03:04,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 23:03:04,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:04,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:04,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:03:04,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:03:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:04,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:03:04,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 23:03:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:04,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:04,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:04,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:03:04,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:04,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:04,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 23:03:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:04,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:04,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:05,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:05,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-10-13 23:03:05,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 23:03:05,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1020 [2020-10-13 23:03:05,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:05,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 23:03:05,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-10-13 23:03:05,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 23:03:05,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:05,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:03:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:05,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:05,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:06,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:06,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 23:03:06,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:03:06,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 345 [2020-10-13 23:03:06,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 23:03:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-13 23:03:06,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:06,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:06,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:06,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:06,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 23:03:06,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-13 23:03:06,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 23:03:06,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:06,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 23:03:06,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:06,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:06,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:06,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:06,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 23:03:06,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:06,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-13 23:03:06,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:06,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 23:03:06,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:06,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-13 23:03:06,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:06,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:06,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:06,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:06,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 23:03:06,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:06,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-13 23:03:06,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:06,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 23:03:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:06,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 23:03:06,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:06,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:06,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:06,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:07,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:07,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 23:03:07,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-13 23:03:07,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 23:03:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:07,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 23:03:07,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:07,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 23:03:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:07,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:07,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:07,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:07,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:07,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 23:03:07,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 23:03:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 23:03:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:07,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 23:03:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:07,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:07,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:07,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:07,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:07,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 23:03:07,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:07,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 23:03:07,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:07,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 23:03:07,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:07,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 23:03:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:07,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:07,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:07,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:03:07,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:07,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:03:07,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:07,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:07,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 23:03:07,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:07,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:07,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:07,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:07,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:07,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:07,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:07,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:03:07,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:07,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:07,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:07,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:07,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-10-13 23:03:07,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [738603474] [2020-10-13 23:03:07,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:03:07,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2020-10-13 23:03:07,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897879214] [2020-10-13 23:03:07,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-13 23:03:07,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:03:07,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-13 23:03:07,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=739, Unknown=0, NotChecked=0, Total=812 [2020-10-13 23:03:07,397 INFO L87 Difference]: Start difference. First operand 2971 states and 3853 transitions. Second operand 29 states. [2020-10-13 23:03:08,014 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2020-10-13 23:03:09,920 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2020-10-13 23:03:10,525 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2020-10-13 23:03:22,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 23:03:22,331 INFO L93 Difference]: Finished difference Result 6127 states and 7953 transitions. [2020-10-13 23:03:22,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-13 23:03:22,332 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 195 [2020-10-13 23:03:22,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 23:03:22,345 INFO L225 Difference]: With dead ends: 6127 [2020-10-13 23:03:22,345 INFO L226 Difference]: Without dead ends: 3183 [2020-10-13 23:03:22,354 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=269, Invalid=2487, Unknown=0, NotChecked=0, Total=2756 [2020-10-13 23:03:22,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2020-10-13 23:03:22,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2967. [2020-10-13 23:03:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2967 states. [2020-10-13 23:03:22,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2967 states and 3843 transitions. [2020-10-13 23:03:22,750 INFO L78 Accepts]: Start accepts. Automaton has 2967 states and 3843 transitions. Word has length 195 [2020-10-13 23:03:22,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 23:03:22,751 INFO L479 AbstractCegarLoop]: Abstraction has 2967 states and 3843 transitions. [2020-10-13 23:03:22,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-13 23:03:22,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2967 states and 3843 transitions. [2020-10-13 23:03:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-13 23:03:22,759 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 23:03:22,759 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 23:03:22,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 23:03:22,759 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 23:03:22,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 23:03:22,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1731141134, now seen corresponding path program 1 times [2020-10-13 23:03:22,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 23:03:22,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607888374] [2020-10-13 23:03:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 23:03:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:22,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:23,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:24,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:24,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:24,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:27,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:27,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 285 [2020-10-13 23:03:27,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 23:03:27,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 23:03:27,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:27,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 23:03:27,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 248 [2020-10-13 23:03:27,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 23:03:27,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:28,506 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2020-10-13 23:03:28,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 23:03:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:28,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:28,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:28,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:28,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:28,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-13 23:03:28,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:28,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:28,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:28,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:03:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:28,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:28,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:28,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:28,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:28,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:03:28,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:28,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:28,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:28,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:28,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:28,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 23:03:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:28,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:28,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:28,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:28,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:28,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:03:28,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:28,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:28,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 23:03:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:28,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:28,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:28,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:28,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:28,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:28,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:28,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:28,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:28,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 23:03:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:28,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:28,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:28,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 23:03:28,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:28,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 23:03:28,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:28,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:28,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:28,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 23:03:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:28,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:28,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:28,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:03:28,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:28,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 23:03:28,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:28,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:28,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:28,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:28,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:28,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 23:03:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:28,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:28,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:28,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-13 23:03:28,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:28,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 23:03:28,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:28,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:28,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 23:03:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:28,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:28,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:28,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 23:03:28,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:28,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 23:03:28,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:28,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:28,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:28,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:28,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:28,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:28,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:28,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:28,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:28,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:28,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:03:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-13 23:03:29,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 23:03:29,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 23:03:29,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 23:03:29,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:29,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:29,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:03:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:03:29,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 23:03:29,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:29,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:03:29,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 23:03:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-13 23:03:29,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 23:03:29,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:29,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 23:03:29,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-13 23:03:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:29,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 23:03:29,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 23:03:29,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 23:03:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:29,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 23:03:29,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 23:03:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 23:03:29,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 23:03:29,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-13 23:03:29,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 23:03:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-13 23:03:29,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 23:03:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 23:03:29,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 23:03:29,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 23:03:29,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 23:03:29,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:29,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 23:03:29,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 23:03:29,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-13 23:03:29,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 23:03:29,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 23:03:29,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 23:03:29,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 23:03:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 23:03:29,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:29,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 23:03:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:29,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:29,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 23:03:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:29,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:29,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 23:03:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:29,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:29,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 23:03:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:29,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:29,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-13 23:03:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 23:03:29,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 23:03:29,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 23:03:29,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 23:03:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 23:03:29,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 23:03:29,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 23:03:29,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 23:03:29,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 23:03:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 23:03:29,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 23:03:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 23:03:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 23:03:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 23:03:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 23:03:29,876 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-10-13 23:03:29,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607888374] [2020-10-13 23:03:29,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 23:03:29,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-13 23:03:29,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015517924] [2020-10-13 23:03:29,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 23:03:29,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 23:03:29,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 23:03:29,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2020-10-13 23:03:29,879 INFO L87 Difference]: Start difference. First operand 2967 states and 3843 transitions. Second operand 16 states. [2020-10-13 23:03:30,494 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 322