/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:47:52,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:47:52,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:47:52,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:47:52,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:47:52,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:47:52,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:47:52,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:47:52,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:47:52,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:47:52,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:47:52,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:47:52,804 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:47:52,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:47:52,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:47:52,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:47:52,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:47:52,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:47:52,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:47:52,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:47:52,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:47:52,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:47:52,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:47:52,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:47:52,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:47:52,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:47:52,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:47:52,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:47:52,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:47:52,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:47:52,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:47:52,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:47:52,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:47:52,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:47:52,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:47:52,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:47:52,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:47:52,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:47:52,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:47:52,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:47:52,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:47:52,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 17:47:52,852 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:47:52,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:47:52,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:47:52,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:47:52,854 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:47:52,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:47:52,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:47:52,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:47:52,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:47:52,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:47:52,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:47:52,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:47:52,855 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:47:52,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:47:52,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:47:52,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:47:52,856 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:47:52,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:47:52,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:47:52,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:47:52,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:47:52,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:47:52,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:47:52,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:47:52,858 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:47:52,858 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:47:52,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:47:52,858 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:47:53,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:47:53,199 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:47:53,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:47:53,205 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:47:53,205 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:47:53,206 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko.cil.out.i [2020-10-13 17:47:53,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/068bafe43/d023ec7c3bac43be96951e73ea9c6eae/FLAG4e8bd8fe5 [2020-10-13 17:47:54,039 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:47:54,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko.cil.out.i [2020-10-13 17:47:54,074 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/068bafe43/d023ec7c3bac43be96951e73ea9c6eae/FLAG4e8bd8fe5 [2020-10-13 17:47:54,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/068bafe43/d023ec7c3bac43be96951e73ea9c6eae [2020-10-13 17:47:54,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:47:54,547 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:47:54,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:47:54,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:47:54,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:47:54,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:47:54" (1/1) ... [2020-10-13 17:47:54,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1392b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:54, skipping insertion in model container [2020-10-13 17:47:54,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:47:54" (1/1) ... [2020-10-13 17:47:54,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:47:54,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:47:56,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:47:56,322 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:47:56,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:47:56,661 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:47:56,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:56 WrapperNode [2020-10-13 17:47:56,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:47:56,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:47:56,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:47:56,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:47:56,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:56" (1/1) ... [2020-10-13 17:47:56,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:56" (1/1) ... [2020-10-13 17:47:56,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:56" (1/1) ... [2020-10-13 17:47:56,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:56" (1/1) ... [2020-10-13 17:47:56,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:56" (1/1) ... [2020-10-13 17:47:56,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:56" (1/1) ... [2020-10-13 17:47:56,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:56" (1/1) ... [2020-10-13 17:47:56,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:47:56,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:47:56,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:47:56,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:47:56,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:47:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:47:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:47:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-13 17:47:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 17:47:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2020-10-13 17:47:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-13 17:47:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 17:47:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 17:47:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-13 17:47:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:47:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:47:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-13 17:47:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-13 17:47:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-13 17:47:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 17:47:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-13 17:47:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-13 17:47:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 17:47:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2020-10-13 17:47:57,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_buffer_init [2020-10-13 17:47:57,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_buffer_free [2020-10-13 17:47:57,054 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_buffer_write [2020-10-13 17:47:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2020-10-13 17:47:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure deregister_from_lirc [2020-10-13 17:47:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2020-10-13 17:47:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2020-10-13 17:47:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2020-10-13 17:47:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure vfd_write [2020-10-13 17:47:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_callback [2020-10-13 17:47:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_open [2020-10-13 17:47:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_close [2020-10-13 17:47:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_data [2020-10-13 17:47:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_incoming_packet [2020-10-13 17:47:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_rx_callback [2020-10-13 17:47:57,056 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_probe [2020-10-13 17:47:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2020-10-13 17:47:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_suspend [2020-10-13 17:47:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2020-10-13 17:47:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init [2020-10-13 17:47:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_exit [2020-10-13 17:47:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-13 17:47:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-13 17:47:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:47:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-13 17:47:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-13 17:47:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-13 17:47:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-13 17:47:57,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-13 17:47:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 17:47:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:47:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-13 17:47:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2020-10-13 17:47:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2020-10-13 17:47:57,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2020-10-13 17:47:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2020-10-13 17:47:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:47:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:47:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-13 17:47:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 17:47:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-13 17:47:57,060 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-13 17:47:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 17:47:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:47:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-13 17:47:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_all [2020-10-13 17:47:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 17:47:57,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_printk [2020-10-13 17:47:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 17:47:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2020-10-13 17:47:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-13 17:47:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:47:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-13 17:47:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_register_driver [2020-10-13 17:47:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_unregister_driver [2020-10-13 17:47:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2020-10-13 17:47:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2020-10-13 17:47:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 17:47:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:47:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 17:47:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2020-10-13 17:47:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_find_interface [2020-10-13 17:47:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2020-10-13 17:47:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-13 17:47:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2020-10-13 17:47:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2020-10-13 17:47:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 17:47:57,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-13 17:47:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible [2020-10-13 17:47:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-13 17:47:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:47:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-13 17:47:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2020-10-13 17:47:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:47:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:47:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-13 17:47:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2020-10-13 17:47:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-13 17:47:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-13 17:47:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-13 17:47:57,066 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 17:47:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2020-10-13 17:47:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:47:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-13 17:47:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:47:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 17:47:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 17:47:57,067 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:47:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 17:47:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 17:47:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-13 17:47:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-13 17:47:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-13 17:47:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2020-10-13 17:47:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 17:47:57,068 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-13 17:47:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible [2020-10-13 17:47:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-13 17:47:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure complete_all [2020-10-13 17:47:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:47:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-13 17:47:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-13 17:47:57,069 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:47:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:47:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:47:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:47:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 17:47:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 17:47:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure dev_printk [2020-10-13 17:47:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2020-10-13 17:47:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-13 17:47:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-13 17:47:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2020-10-13 17:47:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-13 17:47:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-13 17:47:57,071 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 17:47:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:47:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2020-10-13 17:47:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2020-10-13 17:47:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_find_interface [2020-10-13 17:47:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 17:47:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-13 17:47:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:47:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 17:47:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2020-10-13 17:47:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2020-10-13 17:47:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-13 17:47:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:47:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-13 17:47:57,073 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 17:47:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-13 17:47:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-13 17:47:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-13 17:47:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-13 17:47:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 17:47:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2020-10-13 17:47:57,074 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2020-10-13 17:47:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2020-10-13 17:47:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2020-10-13 17:47:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2020-10-13 17:47:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_buffer_init [2020-10-13 17:47:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_buffer_free [2020-10-13 17:47:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_buffer_write [2020-10-13 17:47:57,075 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_register_driver [2020-10-13 17:47:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_unregister_driver [2020-10-13 17:47:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure imon_probe [2020-10-13 17:47:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2020-10-13 17:47:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_rx_callback [2020-10-13 17:47:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_callback [2020-10-13 17:47:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2020-10-13 17:47:57,076 INFO L130 BoogieDeclarations]: Found specification of procedure imon_suspend [2020-10-13 17:47:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2020-10-13 17:47:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2020-10-13 17:47:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure vfd_write [2020-10-13 17:47:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure ir_open [2020-10-13 17:47:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure ir_close [2020-10-13 17:47:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init [2020-10-13 17:47:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure imon_exit [2020-10-13 17:47:57,077 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2020-10-13 17:47:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure deregister_from_lirc [2020-10-13 17:47:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2020-10-13 17:47:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-13 17:47:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:47:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure submit_data [2020-10-13 17:47:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure imon_incoming_packet [2020-10-13 17:47:57,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2020-10-13 17:47:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:47:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-13 17:47:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:47:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:47:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:47:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-13 17:47:57,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-13 17:47:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-13 17:47:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 17:47:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 17:47:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:47:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:47:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:47:57,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 17:47:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:47:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:47:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:47:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:47:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:47:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-13 17:47:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-13 17:47:57,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-13 17:47:57,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-13 17:47:58,707 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-13 17:48:03,861 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:48:03,875 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-13 17:48:03,876 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-13 17:48:04,018 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-13 17:48:04,051 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume !false; [2020-10-13 17:48:04,051 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##22: assume false; [2020-10-13 17:48:04,512 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:48:04,513 INFO L295 CfgBuilder]: Removed 40 assume(true) statements. [2020-10-13 17:48:04,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:48:04 BoogieIcfgContainer [2020-10-13 17:48:04,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:48:04,523 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:48:04,523 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:48:04,526 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:48:04,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:47:54" (1/3) ... [2020-10-13 17:48:04,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f993374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:48:04, skipping insertion in model container [2020-10-13 17:48:04,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:47:56" (2/3) ... [2020-10-13 17:48:04,528 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f993374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:48:04, skipping insertion in model container [2020-10-13 17:48:04,528 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:48:04" (3/3) ... [2020-10-13 17:48:04,530 INFO L109 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-staging-lirc-lirc_imon.ko.cil.out.i [2020-10-13 17:48:04,541 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:48:04,550 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:48:04,564 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:48:04,590 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:48:04,591 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:48:04,591 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:48:04,591 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:48:04,591 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:48:04,591 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:48:04,591 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:48:04,592 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:48:04,625 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states. [2020-10-13 17:48:04,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-13 17:48:04,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:04,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:04,634 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:04,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:04,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1189821431, now seen corresponding path program 1 times [2020-10-13 17:48:04,649 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:04,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140275973] [2020-10-13 17:48:04,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:05,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:10,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:10,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-13 17:48:10,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:10,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 17:48:10,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:10,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:48:10,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:10,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-13 17:48:10,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-13 17:48:15,467 WARN L193 SmtUtils]: Spent 4.62 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-13 17:48:15,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:48:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:15,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:18,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2558 [2020-10-13 17:48:18,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:18,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:48:18,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:48:18,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:48:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:48:18,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:48:18,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:18,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:48:18,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:48:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:48:18,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 17:48:18,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:18,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 17:48:18,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:48:18,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 17:48:18,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:48:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:18,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:18,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:18,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:48:18,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:18,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:48:18,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:18,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:48:18,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:48:18,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:48:18,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:48:18,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:48:18,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140275973] [2020-10-13 17:48:18,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:48:18,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 17:48:18,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287924637] [2020-10-13 17:48:18,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 17:48:18,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:48:18,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 17:48:18,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 17:48:18,589 INFO L87 Difference]: Start difference. First operand 691 states. Second operand 4 states. [2020-10-13 17:48:25,181 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 1059 [2020-10-13 17:48:51,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:48:51,853 INFO L93 Difference]: Finished difference Result 1634 states and 2443 transitions. [2020-10-13 17:48:51,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 17:48:51,855 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-10-13 17:48:51,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:48:51,884 INFO L225 Difference]: With dead ends: 1634 [2020-10-13 17:48:51,885 INFO L226 Difference]: Without dead ends: 1212 [2020-10-13 17:48:51,895 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:48:51,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2020-10-13 17:48:52,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 954. [2020-10-13 17:48:52,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2020-10-13 17:48:52,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1245 transitions. [2020-10-13 17:48:52,539 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1245 transitions. Word has length 30 [2020-10-13 17:48:52,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:48:52,540 INFO L479 AbstractCegarLoop]: Abstraction has 954 states and 1245 transitions. [2020-10-13 17:48:52,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 17:48:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1245 transitions. [2020-10-13 17:48:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-13 17:48:52,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:48:52,542 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:48:52,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 17:48:52,542 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:48:52,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:48:52,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1769900848, now seen corresponding path program 1 times [2020-10-13 17:48:52,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:48:52,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1293868070] [2020-10-13 17:48:52,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:48:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:48:52,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:48:56,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:48:56,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-13 17:48:56,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:48:56,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3707 [2020-10-13 17:48:56,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:48:56,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:48:56,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:48:56,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 17:48:56,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:01,011 WARN L193 SmtUtils]: Spent 4.32 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-13 17:49:01,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:01,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:03,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1908 [2020-10-13 17:49:03,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:49:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:49:03,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:49:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:03,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:49:03,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:49:03,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:49:03,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:03,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 17:49:03,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:49:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:03,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:49:03,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 17:49:03,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:49:03,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:03,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 17:49:03,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:03,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:03,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:03,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:03,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:03,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:03,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:03,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:03,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:03,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:03,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:49:03,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:03,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:03,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:49:03,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1293868070] [2020-10-13 17:49:03,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:49:03,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 17:49:03,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60631559] [2020-10-13 17:49:03,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 17:49:03,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:49:03,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 17:49:03,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 17:49:03,236 INFO L87 Difference]: Start difference. First operand 954 states and 1245 transitions. Second operand 4 states. [2020-10-13 17:49:10,043 WARN L193 SmtUtils]: Spent 4.43 s on a formula simplification that was a NOOP. DAG size: 1059 [2020-10-13 17:49:22,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:49:22,599 INFO L93 Difference]: Finished difference Result 1211 states and 1653 transitions. [2020-10-13 17:49:22,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 17:49:22,601 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-10-13 17:49:22,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:49:22,609 INFO L225 Difference]: With dead ends: 1211 [2020-10-13 17:49:22,610 INFO L226 Difference]: Without dead ends: 1197 [2020-10-13 17:49:22,614 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:49:22,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2020-10-13 17:49:23,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 942. [2020-10-13 17:49:23,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 942 states. [2020-10-13 17:49:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1229 transitions. [2020-10-13 17:49:23,155 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1229 transitions. Word has length 31 [2020-10-13 17:49:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:49:23,156 INFO L479 AbstractCegarLoop]: Abstraction has 942 states and 1229 transitions. [2020-10-13 17:49:23,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 17:49:23,156 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1229 transitions. [2020-10-13 17:49:23,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-13 17:49:23,159 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:49:23,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:49:23,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 17:49:23,160 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:49:23,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:49:23,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1201633426, now seen corresponding path program 1 times [2020-10-13 17:49:23,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:49:23,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1090564285] [2020-10-13 17:49:23,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:49:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:23,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:23,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:29,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:29,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-13 17:49:29,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:49:29,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5889 [2020-10-13 17:49:29,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:29,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:49:29,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-13 17:49:29,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 17:49:29,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:33,712 WARN L193 SmtUtils]: Spent 4.33 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-13 17:49:33,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:49:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:33,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:34,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:34,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:34,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:34,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-13 17:49:34,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:49:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:34,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:34,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:34,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:49:34,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:49:34,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:34,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:49:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:34,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:34,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:34,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:49:34,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:34,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:49:34,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:34,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:34,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:34,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:34,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:34,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:34,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:49:34,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:34,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:49:34,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:34,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:34,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:34,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:34,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:34,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:34,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:34,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:34,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:49:34,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:34,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:49:34,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:34,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:34,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:34,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:34,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:34,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 17:49:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:34,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:34,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:34,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:49:34,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:34,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 17:49:34,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:34,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:34,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:34,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:34,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:34,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:34,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:34,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:34,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:49:34,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:34,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:49:34,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:34,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:34,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:34,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:34,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:34,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:34,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:49:34,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:34,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:49:34,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:34,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:34,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:34,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:34,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:49:34,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:49:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:49:34,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:49:34,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:49:34,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:49:34,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:49:34,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:49:34,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:49:34,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:49:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:49:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:49:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:49:34,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:49:34,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1090564285] [2020-10-13 17:49:35,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:49:35,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:49:35,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967472532] [2020-10-13 17:49:35,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:49:35,002 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:49:35,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:49:35,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:49:35,003 INFO L87 Difference]: Start difference. First operand 942 states and 1229 transitions. Second operand 5 states. [2020-10-13 17:49:42,292 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification that was a NOOP. DAG size: 1060 [2020-10-13 17:49:59,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:49:59,956 INFO L93 Difference]: Finished difference Result 2247 states and 3079 transitions. [2020-10-13 17:49:59,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 17:49:59,956 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-10-13 17:49:59,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:49:59,966 INFO L225 Difference]: With dead ends: 2247 [2020-10-13 17:49:59,966 INFO L226 Difference]: Without dead ends: 1331 [2020-10-13 17:49:59,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:49:59,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2020-10-13 17:50:00,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 963. [2020-10-13 17:50:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-10-13 17:50:00,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1253 transitions. [2020-10-13 17:50:00,457 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1253 transitions. Word has length 65 [2020-10-13 17:50:00,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:50:00,458 INFO L479 AbstractCegarLoop]: Abstraction has 963 states and 1253 transitions. [2020-10-13 17:50:00,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:50:00,458 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1253 transitions. [2020-10-13 17:50:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-13 17:50:00,464 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:50:00,464 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:50:00,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 17:50:00,465 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:50:00,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:50:00,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1334628147, now seen corresponding path program 1 times [2020-10-13 17:50:00,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:50:00,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912537535] [2020-10-13 17:50:00,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:50:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:00,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:01,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:06,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:06,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-13 17:50:06,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:50:06,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5622 [2020-10-13 17:50:06,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:06,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 17:50:06,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 17:50:06,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:50:06,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:10,734 WARN L193 SmtUtils]: Spent 4.33 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-13 17:50:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:10,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:11,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:11,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:11,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:11,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 904 [2020-10-13 17:50:11,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:11,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:11,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:11,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 17:50:11,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:50:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:11,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:11,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:11,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:50:11,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:11,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:11,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:11,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:11,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:11,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:11,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:11,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:50:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:11,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:11,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:11,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:50:11,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:11,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 17:50:11,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:50:11,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-13 17:50:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:11,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:11,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:11,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:11,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:11,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:11,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 17:50:11,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:11,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:11,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 17:50:11,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:11,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:11,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:11,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:11,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:11,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:11,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:11,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:11,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:11,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:11,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 17:50:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:11,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:11,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:11,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:11,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:11,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:11,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:11,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:11,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:11,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:11,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:11,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 17:50:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:11,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:11,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:11,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:50:11,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:11,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 17:50:11,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:50:11,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:11,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:50:11,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:11,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:12,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:12,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:50:12,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:12,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:50:12,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:12,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:12,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:12,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:12,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:50:12,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:12,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:12,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:12,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:12,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:12,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:12,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:12,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:12,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:12,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:12,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:12,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 17:50:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:12,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:12,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:12,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:12,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:12,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:12,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:12,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:12,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:12,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 17:50:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:12,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:12,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:12,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:12,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 17:50:12,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:12,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 17:50:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:12,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:12,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:12,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:12,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:12,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:12,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:12,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:12,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:12,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:12,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:12,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:12,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:12,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 17:50:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:12,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:12,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:12,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:12,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:12,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:12,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:12,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:12,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:12,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:12,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:12,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 17:50:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:12,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:12,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:12,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:12,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:12,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:12,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:12,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 17:50:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:12,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:12,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:12,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:50:12,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:12,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 17:50:12,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 17:50:12,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:12,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:12,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:12,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:12,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:12,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:12,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:12,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:12,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:12,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:12,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 17:50:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:12,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:12,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:12,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:12,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:12,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:12,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:12,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:12,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:12,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:12,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 17:50:12,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912537535] [2020-10-13 17:50:12,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:50:12,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 17:50:12,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84239256] [2020-10-13 17:50:12,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 17:50:12,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:50:12,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 17:50:12,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-13 17:50:12,372 INFO L87 Difference]: Start difference. First operand 963 states and 1253 transitions. Second operand 7 states. [2020-10-13 17:50:19,484 WARN L193 SmtUtils]: Spent 4.41 s on a formula simplification that was a NOOP. DAG size: 1062 [2020-10-13 17:50:37,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:50:37,378 INFO L93 Difference]: Finished difference Result 2235 states and 3018 transitions. [2020-10-13 17:50:37,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 17:50:37,379 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 112 [2020-10-13 17:50:37,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:50:37,387 INFO L225 Difference]: With dead ends: 2235 [2020-10-13 17:50:37,387 INFO L226 Difference]: Without dead ends: 1294 [2020-10-13 17:50:37,391 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-13 17:50:37,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2020-10-13 17:50:38,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 963. [2020-10-13 17:50:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2020-10-13 17:50:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1252 transitions. [2020-10-13 17:50:38,020 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1252 transitions. Word has length 112 [2020-10-13 17:50:38,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:50:38,021 INFO L479 AbstractCegarLoop]: Abstraction has 963 states and 1252 transitions. [2020-10-13 17:50:38,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 17:50:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1252 transitions. [2020-10-13 17:50:38,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-13 17:50:38,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:50:38,029 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:50:38,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 17:50:38,030 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:50:38,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:50:38,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1990048142, now seen corresponding path program 1 times [2020-10-13 17:50:38,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:50:38,031 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [374605304] [2020-10-13 17:50:38,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:50:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:38,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:42,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:42,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 158 [2020-10-13 17:50:42,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:42,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4264 [2020-10-13 17:50:42,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 17:50:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 17:50:42,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 17:50:42,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:47,289 WARN L193 SmtUtils]: Spent 4.63 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-13 17:50:47,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:50:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:47,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:48,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:48,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:48,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:48,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1684 [2020-10-13 17:50:48,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:48,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:50:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:50:49,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:49,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:50:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:50:49,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:50:49,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:49,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:49,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:49,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:49,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:49,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:49,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 17:50:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:49,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:50:49,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:49,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 17:50:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:50:49,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:50:49,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 17:50:49,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:50:49,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:50:49,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:50:49,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:49,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:49,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:50:49,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 17:50:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:49,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:49,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:49,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 17:50:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:50:49,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 17:50:49,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 17:50:49,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:49,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:50:49,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:50:49,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 17:50:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:49,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:49,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:49,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:50:49,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 17:50:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:49,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:49,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:49,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 17:50:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:50:49,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:50:49,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 17:50:49,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:50:49,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:50:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:49,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:49,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:50:49,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:50:49,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 17:50:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:50:49,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:50:49,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:50:49,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:50:49,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:50:49,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 17:50:49,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:50:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:50:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:50:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:50:49,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:50:49,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-13 17:50:49,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [374605304] [2020-10-13 17:50:49,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:50:49,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 17:50:49,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894541870] [2020-10-13 17:50:49,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 17:50:49,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:50:49,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 17:50:49,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:50:49,586 INFO L87 Difference]: Start difference. First operand 963 states and 1252 transitions. Second operand 5 states. [2020-10-13 17:51:12,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 17:51:12,179 INFO L93 Difference]: Finished difference Result 2257 states and 3058 transitions. [2020-10-13 17:51:12,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 17:51:12,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2020-10-13 17:51:12,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 17:51:12,188 INFO L225 Difference]: With dead ends: 2257 [2020-10-13 17:51:12,188 INFO L226 Difference]: Without dead ends: 1320 [2020-10-13 17:51:12,191 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-13 17:51:12,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-10-13 17:51:12,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 989. [2020-10-13 17:51:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 989 states. [2020-10-13 17:51:12,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1291 transitions. [2020-10-13 17:51:12,915 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1291 transitions. Word has length 112 [2020-10-13 17:51:12,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 17:51:12,915 INFO L479 AbstractCegarLoop]: Abstraction has 989 states and 1291 transitions. [2020-10-13 17:51:12,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 17:51:12,916 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1291 transitions. [2020-10-13 17:51:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-13 17:51:12,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:51:12,918 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:51:12,918 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 17:51:12,918 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:51:12,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:51:12,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1061359785, now seen corresponding path program 1 times [2020-10-13 17:51:12,919 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:51:12,919 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660679079] [2020-10-13 17:51:12,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:51:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:13,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:13,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:18,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:18,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-13 17:51:18,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:51:18,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5188 [2020-10-13 17:51:18,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:18,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 17:51:18,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-13 17:51:18,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 17:51:18,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:23,200 WARN L193 SmtUtils]: Spent 4.67 s on a formula simplification that was a NOOP. DAG size: 1057 [2020-10-13 17:51:23,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:51:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:23,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:23,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:23,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:51:23,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:23,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 711 [2020-10-13 17:51:23,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:23,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:23,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:23,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:23,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:51:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:51:24,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 17:51:24,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 17:51:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:51:24,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:51:24,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:51:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:51:24,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:51:24,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:51:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:51:24,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:51:24,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 17:51:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 17:51:24,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 17:51:24,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:51:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 17:51:24,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 17:51:24,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:51:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:51:24,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:51:24,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:51:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:51:24,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 17:51:24,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 17:51:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:51:24,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-13 17:51:24,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:51:24,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:51:24,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:51:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:51:24,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:51:24,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:51:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:51:24,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 17:51:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:51:24,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:51:24,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:51:24,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 17:51:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:51:24,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 17:51:24,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 17:51:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:51:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:51:24,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:51:24,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:51:24,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 17:51:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:51:24,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:51:24,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:51:24,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:51:24,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:51:24,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 17:51:24,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:51:24,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:51:24,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 17:51:24,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:51:24,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:51:24,431 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-13 17:51:24,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660679079] [2020-10-13 17:51:24,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 17:51:24,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 17:51:24,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728972933] [2020-10-13 17:51:24,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 17:51:24,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:51:24,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 17:51:24,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-13 17:51:24,434 INFO L87 Difference]: Start difference. First operand 989 states and 1291 transitions. Second operand 9 states. [2020-10-13 17:51:31,809 WARN L193 SmtUtils]: Spent 4.43 s on a formula simplification that was a NOOP. DAG size: 1062