/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 06:32:46,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 06:32:46,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 06:32:46,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 06:32:46,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 06:32:46,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 06:32:46,450 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 06:32:46,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 06:32:46,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 06:32:46,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 06:32:46,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 06:32:46,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 06:32:46,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 06:32:46,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 06:32:46,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 06:32:46,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 06:32:46,470 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 06:32:46,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 06:32:46,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 06:32:46,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 06:32:46,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 06:32:46,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 06:32:46,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 06:32:46,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 06:32:46,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 06:32:46,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 06:32:46,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 06:32:46,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 06:32:46,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 06:32:46,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 06:32:46,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 06:32:46,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 06:32:46,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 06:32:46,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 06:32:46,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 06:32:46,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 06:32:46,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 06:32:46,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 06:32:46,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 06:32:46,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 06:32:46,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 06:32:46,518 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 [2020-10-15 06:32:46,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 06:32:46,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 06:32:46,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 06:32:46,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 06:32:46,562 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 06:32:46,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 06:32:46,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 06:32:46,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 06:32:46,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 06:32:46,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 06:32:46,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 06:32:46,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 06:32:46,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 06:32:46,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 06:32:46,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 06:32:46,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 06:32:46,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 06:32:46,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 06:32:46,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:32:46,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 06:32:46,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 06:32:46,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 06:32:46,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 06:32:46,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 06:32:46,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 06:32:46,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 06:32:46,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 06:32:46,568 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 06:32:46,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 06:32:46,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 06:32:46,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 06:32:46,881 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 06:32:46,882 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 06:32:46,882 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2020-10-15 06:32:46,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96fbb56e8/23ed4b9b8c3e490fa660dccd08135da2/FLAG2ae991cb6 [2020-10-15 06:32:47,631 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 06:32:47,631 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2020-10-15 06:32:47,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96fbb56e8/23ed4b9b8c3e490fa660dccd08135da2/FLAG2ae991cb6 [2020-10-15 06:32:47,758 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/96fbb56e8/23ed4b9b8c3e490fa660dccd08135da2 [2020-10-15 06:32:47,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 06:32:47,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 06:32:47,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 06:32:47,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 06:32:47,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 06:32:47,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:32:47" (1/1) ... [2020-10-15 06:32:47,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d85f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:47, skipping insertion in model container [2020-10-15 06:32:47,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:32:47" (1/1) ... [2020-10-15 06:32:47,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 06:32:47,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 06:32:48,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:32:48,966 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 06:32:49,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:32:49,375 INFO L208 MainTranslator]: Completed translation [2020-10-15 06:32:49,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:49 WrapperNode [2020-10-15 06:32:49,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 06:32:49,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 06:32:49,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 06:32:49,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 06:32:49,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:49" (1/1) ... [2020-10-15 06:32:49,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:49" (1/1) ... [2020-10-15 06:32:49,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:49" (1/1) ... [2020-10-15 06:32:49,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:49" (1/1) ... [2020-10-15 06:32:49,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:49" (1/1) ... [2020-10-15 06:32:49,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:49" (1/1) ... [2020-10-15 06:32:49,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:49" (1/1) ... [2020-10-15 06:32:49,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 06:32:49,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 06:32:49,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 06:32:49,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 06:32:49,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:49" (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 [2020-10-15 06:32:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 06:32:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 06:32:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2020-10-15 06:32:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 06:32:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 06:32:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 06:32:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 06:32:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 06:32:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-15 06:32:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-15 06:32:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-15 06:32:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2020-10-15 06:32:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_save_reg_conf [2020-10-15 06:32:49,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_restore_reg_conf [2020-10-15 06:32:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2020-10-15 06:32:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2020-10-15 06:32:49,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom_val [2020-10-15 06:32:49,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom_val [2020-10-15 06:32:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf [2020-10-15 06:32:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf_mp [2020-10-15 06:32:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_gbe_mac_addr [2020-10-15 06:32:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_gbe_mac_addr [2020-10-15 06:32:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_read [2020-10-15 06:32:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_write [2020-10-15 06:32:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pch_mac [2020-10-15 06:32:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pch_mac [2020-10-15 06:32:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_probe [2020-10-15 06:32:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2020-10-15 06:32:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_suspend [2020-10-15 06:32:49,792 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_resume [2020-10-15 06:32:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_init [2020-10-15 06:32:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_exit [2020-10-15 06:32:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 06:32:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-15 06:32:49,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-15 06:32:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-15 06:32:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-15 06:32:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-15 06:32:49,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-15 06:32:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-15 06:32:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2020-10-15 06:32:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2020-10-15 06:32:49,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-15 06:32:49,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-15 06:32:49,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 06:32:49,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 06:32:49,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 06:32:49,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-15 06:32:49,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-15 06:32:49,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-15 06:32:49,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-15 06:32:49,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-15 06:32:49,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-15 06:32:49,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-15 06:32:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-15 06:32:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-15 06:32:49,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-15 06:32:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-15 06:32:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-15 06:32:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-15 06:32:49,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-15 06:32:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2020-10-15 06:32:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pch_phub_mutex [2020-10-15 06:32:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pch_phub_mutex [2020-10-15 06:32:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pch_phub_mutex [2020-10-15 06:32:49,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2020-10-15 06:32:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pch_phub_mutex [2020-10-15 06:32:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2020-10-15 06:32:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 06:32:49,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 06:32:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-15 06:32:49,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2020-10-15 06:32:49,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-15 06:32:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-15 06:32:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-15 06:32:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-15 06:32:49,809 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2020-10-15 06:32:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2020-10-15 06:32:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2020-10-15 06:32:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2020-10-15 06:32:49,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_probe_2 [2020-10-15 06:32:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_release_2 [2020-10-15 06:32:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-15 06:32:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-15 06:32:49,811 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-15 06:32:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-15 06:32:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 06:32:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-10-15 06:32:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-15 06:32:49,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-15 06:32:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2020-10-15 06:32:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2020-10-15 06:32:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2020-10-15 06:32:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-15 06:32:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-15 06:32:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-10-15 06:32:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-10-15 06:32:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-10-15 06:32:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2020-10-15 06:32:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-15 06:32:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2020-10-15 06:32:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2020-10-15 06:32:49,815 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2020-10-15 06:32:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2020-10-15 06:32:49,816 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 06:32:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 06:32:49,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 06:32:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-15 06:32:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-15 06:32:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-15 06:32:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-15 06:32:49,817 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-15 06:32:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-15 06:32:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 06:32:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-15 06:32:49,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-15 06:32:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-15 06:32:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2020-10-15 06:32:49,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-15 06:32:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-15 06:32:49,820 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-15 06:32:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-15 06:32:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2020-10-15 06:32:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-15 06:32:49,821 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-15 06:32:49,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-15 06:32:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-15 06:32:49,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-15 06:32:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-15 06:32:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-15 06:32:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-15 06:32:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2020-10-15 06:32:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2020-10-15 06:32:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 06:32:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2020-10-15 06:32:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-15 06:32:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-15 06:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2020-10-15 06:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2020-10-15 06:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2020-10-15 06:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2020-10-15 06:32:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2020-10-15 06:32:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2020-10-15 06:32:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-15 06:32:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-15 06:32:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-15 06:32:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-15 06:32:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-15 06:32:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2020-10-15 06:32:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2020-10-15 06:32:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-10-15 06:32:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-10-15 06:32:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-10-15 06:32:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-10-15 06:32:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2020-10-15 06:32:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2020-10-15 06:32:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-15 06:32:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-15 06:32:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-15 06:32:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-15 06:32:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 06:32:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 06:32:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 06:32:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 06:32:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 06:32:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 06:32:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 06:32:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 06:32:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 06:32:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-15 06:32:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-15 06:32:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-15 06:32:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-15 06:32:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-15 06:32:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2020-10-15 06:32:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 06:32:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2020-10-15 06:32:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 06:32:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_save_reg_conf [2020-10-15 06:32:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 06:32:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 06:32:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 06:32:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 06:32:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_restore_reg_conf [2020-10-15 06:32:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2020-10-15 06:32:49,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2020-10-15 06:32:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom_val [2020-10-15 06:32:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom_val [2020-10-15 06:32:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf [2020-10-15 06:32:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf_mp [2020-10-15 06:32:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_gbe_mac_addr [2020-10-15 06:32:49,850 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_gbe_mac_addr [2020-10-15 06:32:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_read [2020-10-15 06:32:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_write [2020-10-15 06:32:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure show_pch_mac [2020-10-15 06:32:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure store_pch_mac [2020-10-15 06:32:49,851 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_probe [2020-10-15 06:32:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2020-10-15 06:32:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_suspend [2020-10-15 06:32:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_resume [2020-10-15 06:32:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_init [2020-10-15 06:32:49,852 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_exit [2020-10-15 06:32:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 06:32:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_release_2 [2020-10-15 06:32:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_probe_2 [2020-10-15 06:32:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 06:32:49,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 06:32:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 06:32:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 06:32:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-15 06:32:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-15 06:32:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-15 06:32:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-15 06:32:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-15 06:32:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-15 06:32:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-15 06:32:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-15 06:32:49,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-15 06:32:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pch_phub_mutex [2020-10-15 06:32:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pch_phub_mutex [2020-10-15 06:32:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pch_phub_mutex [2020-10-15 06:32:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2020-10-15 06:32:49,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pch_phub_mutex [2020-10-15 06:32:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-15 06:32:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 06:32:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 06:32:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 06:32:49,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 06:32:49,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 06:32:53,792 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 06:32:53,792 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 06:32:53,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:32:53 BoogieIcfgContainer [2020-10-15 06:32:53,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 06:32:53,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 06:32:53,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 06:32:53,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 06:32:53,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:32:47" (1/3) ... [2020-10-15 06:32:53,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f162b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:32:53, skipping insertion in model container [2020-10-15 06:32:53,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:32:49" (2/3) ... [2020-10-15 06:32:53,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f162b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:32:53, skipping insertion in model container [2020-10-15 06:32:53,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:32:53" (3/3) ... [2020-10-15 06:32:53,810 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2020-10-15 06:32:53,820 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 06:32:53,829 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 06:32:53,843 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 06:32:53,869 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 06:32:53,869 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 06:32:53,869 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 06:32:53,869 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 06:32:53,870 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 06:32:53,870 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 06:32:53,870 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 06:32:53,870 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 06:32:53,918 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states. [2020-10-15 06:32:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-15 06:32:53,928 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:32:53,929 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:32:53,929 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:32:53,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:32:53,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1951538702, now seen corresponding path program 1 times [2020-10-15 06:32:53,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:32:53,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339569263] [2020-10-15 06:32:53,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:32:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:32:54,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:32:54,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:32:57,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:32:57,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 06:32:57,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:32:57,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3325 [2020-10-15 06:32:57,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:32:57,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:32:57,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:32:57,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:32:57,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 06:32:57,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 18 [2020-10-15 06:33:00,045 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-15 06:33:00,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:33:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:00,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:00,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:00,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:33:00,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:00,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-10-15 06:33:00,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:00,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:33:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:33:00,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:33:00,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:33:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:00,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:00,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:00,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:33:00,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:00,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:33:00,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:00,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:00,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:33:00,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:00,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:33:00,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:33:00,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:33:00,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:00,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:00,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:00,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 06:33:00,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:00,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:33:00,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:00,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:00,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:33:00,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:00,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 06:33:00,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:33:00,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:33:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:00,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:00,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:00,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:33:00,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:33:00,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:00,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:00,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:33:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:33:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:33:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:33:00,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339569263] [2020-10-15 06:33:00,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:33:00,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:33:00,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615602143] [2020-10-15 06:33:00,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:33:00,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:33:00,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:33:00,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:33:00,548 INFO L87 Difference]: Start difference. First operand 854 states. Second operand 5 states. [2020-10-15 06:33:04,130 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-15 06:33:18,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:33:18,970 INFO L93 Difference]: Finished difference Result 1632 states and 2241 transitions. [2020-10-15 06:33:18,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 06:33:18,973 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-15 06:33:18,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:33:19,001 INFO L225 Difference]: With dead ends: 1632 [2020-10-15 06:33:19,001 INFO L226 Difference]: Without dead ends: 861 [2020-10-15 06:33:19,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:33:19,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2020-10-15 06:33:19,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 765. [2020-10-15 06:33:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-10-15 06:33:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1011 transitions. [2020-10-15 06:33:19,369 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1011 transitions. Word has length 29 [2020-10-15 06:33:19,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:33:19,370 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 1011 transitions. [2020-10-15 06:33:19,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:33:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1011 transitions. [2020-10-15 06:33:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-15 06:33:19,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:33:19,374 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] [2020-10-15 06:33:19,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 06:33:19,374 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:33:19,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:33:19,375 INFO L82 PathProgramCache]: Analyzing trace with hash 367601446, now seen corresponding path program 1 times [2020-10-15 06:33:19,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:33:19,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1258579217] [2020-10-15 06:33:19,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:33:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:19,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:19,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:21,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:21,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 06:33:21,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:33:21,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2141 [2020-10-15 06:33:21,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:21,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:33:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:33:21,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-15 06:33:21,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:33:23,565 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-15 06:33:23,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:33:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:23,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:23,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:23,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:33:23,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:23,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-15 06:33:23,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:23,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:23,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:33:23,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:23,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:33:23,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:33:23,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:33:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:23,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:23,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:33:23,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:23,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:33:23,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:23,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:33:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:33:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:33:23,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:33:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:23,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:23,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:23,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 06:33:23,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:23,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-15 06:33:23,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:23,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:23,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:33:23,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:23,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 06:33:23,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:33:23,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:33:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:23,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:23,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:23,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:33:23,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:33:23,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:23,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:33:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:23,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:33:23,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:33:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:33:23,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1258579217] [2020-10-15 06:33:23,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:33:23,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:33:23,878 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71328605] [2020-10-15 06:33:23,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:33:23,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:33:23,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:33:23,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:33:23,881 INFO L87 Difference]: Start difference. First operand 765 states and 1011 transitions. Second operand 5 states. [2020-10-15 06:33:27,592 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-15 06:33:41,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:33:41,413 INFO L93 Difference]: Finished difference Result 863 states and 1158 transitions. [2020-10-15 06:33:41,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 06:33:41,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-15 06:33:41,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:33:41,431 INFO L225 Difference]: With dead ends: 863 [2020-10-15 06:33:41,431 INFO L226 Difference]: Without dead ends: 860 [2020-10-15 06:33:41,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:33:41,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2020-10-15 06:33:41,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 764. [2020-10-15 06:33:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2020-10-15 06:33:41,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 1009 transitions. [2020-10-15 06:33:41,758 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 1009 transitions. Word has length 30 [2020-10-15 06:33:41,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:33:41,759 INFO L479 AbstractCegarLoop]: Abstraction has 764 states and 1009 transitions. [2020-10-15 06:33:41,759 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:33:41,759 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1009 transitions. [2020-10-15 06:33:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-15 06:33:41,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:33:41,766 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] [2020-10-15 06:33:41,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 06:33:41,767 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:33:41,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:33:41,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1489808367, now seen corresponding path program 1 times [2020-10-15 06:33:41,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:33:41,768 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [380877884] [2020-10-15 06:33:41,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:33:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:41,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:42,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:43,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:43,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-15 06:33:43,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:33:43,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1890 [2020-10-15 06:33:43,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:43,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:43,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:33:43,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:33:43,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-15 06:33:43,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:33:45,581 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-15 06:33:45,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:33:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:45,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:45,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:45,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:33:45,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:45,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-10-15 06:33:45,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:45,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:45,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:33:45,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:45,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:33:45,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:33:45,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:33:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:45,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:45,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:45,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:33:45,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:45,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:33:45,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:45,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:45,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:33:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:45,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:33:45,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:33:45,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:33:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:45,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:45,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:45,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-15 06:33:45,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:45,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:33:45,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:45,852 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:45,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:33:45,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:45,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 06:33:45,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:33:45,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:33:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:33:45,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:33:45,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:33:45,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:33:45,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:33:45,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:33:45,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:33:45,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:33:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:33:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:33:45,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:33:45,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:33:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:33:45,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [380877884] [2020-10-15 06:33:45,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:33:45,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:33:45,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460583050] [2020-10-15 06:33:45,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:33:45,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:33:45,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:33:45,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:33:45,874 INFO L87 Difference]: Start difference. First operand 764 states and 1009 transitions. Second operand 5 states. [2020-10-15 06:33:48,723 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-15 06:34:15,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:34:15,593 INFO L93 Difference]: Finished difference Result 2324 states and 3116 transitions. [2020-10-15 06:34:15,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:34:15,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-15 06:34:15,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:34:15,606 INFO L225 Difference]: With dead ends: 2324 [2020-10-15 06:34:15,606 INFO L226 Difference]: Without dead ends: 1559 [2020-10-15 06:34:15,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:34:15,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2020-10-15 06:34:16,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1477. [2020-10-15 06:34:16,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1477 states. [2020-10-15 06:34:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 1969 transitions. [2020-10-15 06:34:16,078 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 1969 transitions. Word has length 31 [2020-10-15 06:34:16,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:34:16,078 INFO L479 AbstractCegarLoop]: Abstraction has 1477 states and 1969 transitions. [2020-10-15 06:34:16,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:34:16,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1969 transitions. [2020-10-15 06:34:16,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-15 06:34:16,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:34:16,085 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] [2020-10-15 06:34:16,086 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 06:34:16,086 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:34:16,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:34:16,086 INFO L82 PathProgramCache]: Analyzing trace with hash 720470094, now seen corresponding path program 1 times [2020-10-15 06:34:16,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:34:16,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417355039] [2020-10-15 06:34:16,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:34:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:16,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:16,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:16,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:19,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:21,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:21,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-15 06:34:21,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:34:21,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-10-15 06:34:21,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:21,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-15 06:34:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:34:21,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-15 06:34:21,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:23,168 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-15 06:34:23,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:34:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:23,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:23,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:23,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:34:23,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:23,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 413 [2020-10-15 06:34:23,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:23,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:23,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:34:23,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:23,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:34:23,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:34:23,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:34:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:23,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:23,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:23,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:34:23,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:23,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:34:23,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:23,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:34:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:23,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:34:23,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:34:23,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-15 06:34:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:23,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:23,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:23,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:34:23,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:23,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:34:23,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:23,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:23,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:34:23,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:23,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-15 06:34:23,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:34:23,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:34:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:23,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:23,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:23,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:34:23,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:23,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:34:23,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:23,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:23,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:23,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:23,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:34:23,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-15 06:34:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:23,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:23,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:23,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:34:23,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-15 06:34:23,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:23,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:34:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-15 06:34:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:34:23,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:34:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:23,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:23,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:23,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:34:23,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:23,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:34:23,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:23,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:23,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:23,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:23,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:34:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:23,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:23,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:23,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:34:23,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:34:23,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:23,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:23,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:23,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-15 06:34:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:23,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:23,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:23,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:34:23,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:23,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:34:23,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:23,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:23,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:34:23,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:23,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:34:23,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417355039] [2020-10-15 06:34:23,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:34:23,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-15 06:34:23,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094402137] [2020-10-15 06:34:23,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 06:34:23,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:34:23,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 06:34:23,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-15 06:34:23,908 INFO L87 Difference]: Start difference. First operand 1477 states and 1969 transitions. Second operand 9 states. [2020-10-15 06:34:27,187 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-15 06:34:29,286 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 581 [2020-10-15 06:34:45,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:34:45,918 INFO L93 Difference]: Finished difference Result 3085 states and 4168 transitions. [2020-10-15 06:34:45,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 06:34:45,919 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-10-15 06:34:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:34:45,930 INFO L225 Difference]: With dead ends: 3085 [2020-10-15 06:34:45,931 INFO L226 Difference]: Without dead ends: 1619 [2020-10-15 06:34:45,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-15 06:34:45,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2020-10-15 06:34:46,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1477. [2020-10-15 06:34:46,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1477 states. [2020-10-15 06:34:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 1967 transitions. [2020-10-15 06:34:46,342 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 1967 transitions. Word has length 65 [2020-10-15 06:34:46,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:34:46,342 INFO L479 AbstractCegarLoop]: Abstraction has 1477 states and 1967 transitions. [2020-10-15 06:34:46,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 06:34:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1967 transitions. [2020-10-15 06:34:46,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-15 06:34:46,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:34:46,345 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:34:46,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 06:34:46,346 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:34:46,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:34:46,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1919562345, now seen corresponding path program 1 times [2020-10-15 06:34:46,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:34:46,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564530852] [2020-10-15 06:34:46,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:34:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:46,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:46,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:46,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:51,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:51,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-15 06:34:51,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:34:51,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5117 [2020-10-15 06:34:51,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:51,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:51,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:34:51,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-15 06:34:51,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-15 06:34:51,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:53,854 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-15 06:34:53,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:34:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:53,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:54,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:54,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:34:54,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:54,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-10-15 06:34:54,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:54,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:54,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:54,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:34:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:54,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:54,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:54,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:34:54,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:54,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:34:54,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:54,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:54,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:54,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:54,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:54,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 06:34:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:54,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:54,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:54,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:34:54,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:54,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:34:54,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:54,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:54,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:54,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 06:34:54,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:54,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:54,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:34:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:54,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:54,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:54,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:34:54,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:54,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:34:54,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:54,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:54,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:54,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:54,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:54,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:54,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-15 06:34:54,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:54,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:54,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:54,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:34:54,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:54,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-15 06:34:54,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:54,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:54,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 06:34:54,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:54,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:54,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:34:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:54,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:54,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:54,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:34:54,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:54,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:34:54,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:54,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:54,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:54,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:54,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:54,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:54,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:34:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:54,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:54,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:34:54,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:34:54,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:54,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:54,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:54,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:54,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:54,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:54,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-15 06:34:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:54,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:54,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:54,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:34:54,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:54,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:34:54,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:54,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 06:34:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:54,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:54,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:34:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:34:54,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:34:54,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:34:54,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:34:54,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:34:54,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:34:54,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:34:54,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:34:54,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:34:54,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:34:54,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:34:54,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:34:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 06:34:54,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564530852] [2020-10-15 06:34:54,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:34:54,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 06:34:54,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936463539] [2020-10-15 06:34:54,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 06:34:54,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:34:54,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 06:34:54,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:34:54,371 INFO L87 Difference]: Start difference. First operand 1477 states and 1967 transitions. Second operand 7 states. [2020-10-15 06:34:58,487 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-15 06:35:28,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:35:28,875 INFO L93 Difference]: Finished difference Result 4449 states and 6018 transitions. [2020-10-15 06:35:28,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 06:35:28,877 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2020-10-15 06:35:28,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:35:28,897 INFO L225 Difference]: With dead ends: 4449 [2020-10-15 06:35:28,897 INFO L226 Difference]: Without dead ends: 2983 [2020-10-15 06:35:28,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-15 06:35:28,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2983 states. [2020-10-15 06:35:29,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2983 to 2695. [2020-10-15 06:35:29,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2695 states. [2020-10-15 06:35:29,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2695 states and 3593 transitions. [2020-10-15 06:35:29,681 INFO L78 Accepts]: Start accepts. Automaton has 2695 states and 3593 transitions. Word has length 71 [2020-10-15 06:35:29,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:35:29,681 INFO L479 AbstractCegarLoop]: Abstraction has 2695 states and 3593 transitions. [2020-10-15 06:35:29,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 06:35:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 3593 transitions. [2020-10-15 06:35:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-15 06:35:29,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:35:29,689 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:35:29,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 06:35:29,689 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:35:29,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:35:29,690 INFO L82 PathProgramCache]: Analyzing trace with hash 362052600, now seen corresponding path program 1 times [2020-10-15 06:35:29,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:35:29,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015397497] [2020-10-15 06:35:29,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:35:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:29,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:29,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:34,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:34,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 124 [2020-10-15 06:35:34,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:35:34,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-15 06:35:34,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:34,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:34,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:35:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-15 06:35:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-15 06:35:34,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:35:37,146 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-15 06:35:37,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:35:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:35:37,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-15 06:35:37,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:35:37,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:35:37,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:35:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:35:37,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:35:37,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:35:37,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:35:37,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 06:35:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:35:37,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:35:37,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:35:37,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:35:37,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:35:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:35:37,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:35:37,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:35:37,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:35:37,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 06:35:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:35:37,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:35:37,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 06:35:37,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:35:37,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:35:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:35:37,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:35:37,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:35:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:35:37,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-15 06:35:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:35:37,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:35:37,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-15 06:35:37,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:35:37,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:35:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:35:37,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 06:35:37,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:35:37,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:35:37,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:35:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:35:37,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:35:37,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:35:37,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:35:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-15 06:35:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:35:37,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:35:37,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 06:35:37,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:35:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:35:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:35:37,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:35:37,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:35:37,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:35:37,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:35:37,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:35:37,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:35:37,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:35:37,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:35:37,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:35:37,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:35:37,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:35:37,527 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 06:35:37,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015397497] [2020-10-15 06:35:37,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:35:37,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 06:35:37,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569087325] [2020-10-15 06:35:37,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 06:35:37,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:35:37,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 06:35:37,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:35:37,532 INFO L87 Difference]: Start difference. First operand 2695 states and 3593 transitions. Second operand 7 states. [2020-10-15 06:35:40,103 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-15 06:36:06,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:36:06,530 INFO L93 Difference]: Finished difference Result 7016 states and 9475 transitions. [2020-10-15 06:36:06,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 06:36:06,531 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 90 [2020-10-15 06:36:06,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:36:06,557 INFO L225 Difference]: With dead ends: 7016 [2020-10-15 06:36:06,558 INFO L226 Difference]: Without dead ends: 4332 [2020-10-15 06:36:06,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-15 06:36:06,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4332 states. [2020-10-15 06:36:07,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4332 to 3913. [2020-10-15 06:36:07,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3913 states. [2020-10-15 06:36:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3913 states and 5221 transitions. [2020-10-15 06:36:07,393 INFO L78 Accepts]: Start accepts. Automaton has 3913 states and 5221 transitions. Word has length 90 [2020-10-15 06:36:07,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:36:07,394 INFO L479 AbstractCegarLoop]: Abstraction has 3913 states and 5221 transitions. [2020-10-15 06:36:07,394 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 06:36:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 3913 states and 5221 transitions. [2020-10-15 06:36:07,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-10-15 06:36:07,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:36:07,401 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 06:36:07,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 06:36:07,402 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:36:07,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:36:07,402 INFO L82 PathProgramCache]: Analyzing trace with hash -604271589, now seen corresponding path program 1 times [2020-10-15 06:36:07,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:36:07,403 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1052426404] [2020-10-15 06:36:07,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:36:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:07,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:09,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:09,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-15 06:36:09,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:09,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2431 [2020-10-15 06:36:09,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:09,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:36:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-15 06:36:09,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:36:09,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:11,898 WARN L193 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-15 06:36:11,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:36:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:11,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:36:12,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-10-15 06:36:12,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:36:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:36:12,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:36:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:36:12,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 06:36:12,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:36:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:36:12,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 06:36:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-15 06:36:12,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:36:12,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:36:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:36:12,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:36:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:36:12,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 06:36:12,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:36:12,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:36:12,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-15 06:36:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:36:12,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-15 06:36:12,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:36:12,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:36:12,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-15 06:36:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:36:12,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:36:12,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:36:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:36:12,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:36:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:36:12,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:36:12,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:36:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:36:12,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-15 06:36:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-15 06:36:12,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-15 06:36:12,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-15 06:36:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-15 06:36:12,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:36:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:36:12,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:36:12,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:36:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:36:12,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:36:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-15 06:36:12,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:36:12,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-15 06:36:12,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 06:36:12,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-15 06:36:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-15 06:36:12,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:36:12,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:36:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-15 06:36:12,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:36:12,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:36:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:36:12,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:36:12,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:36:12,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:36:12,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:36:12,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:36:12,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:36:12,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:36:12,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:36:12,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:36:12,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:36:12,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:36:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-15 06:36:12,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1052426404] [2020-10-15 06:36:12,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:36:12,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-15 06:36:12,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731854254] [2020-10-15 06:36:12,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-15 06:36:12,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:36:12,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-15 06:36:12,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-15 06:36:12,491 INFO L87 Difference]: Start difference. First operand 3913 states and 5221 transitions. Second operand 11 states.