/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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=DEEPEST --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 language data_model -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 0.2.0-0f64333 [2020-10-28 02:49:09,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 02:49:09,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 02:49:09,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 02:49:09,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 02:49:09,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 02:49:09,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 02:49:09,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 02:49:09,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 02:49:09,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 02:49:09,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 02:49:09,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 02:49:09,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 02:49:09,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 02:49:09,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 02:49:09,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 02:49:09,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 02:49:09,483 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 02:49:09,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 02:49:09,488 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 02:49:09,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 02:49:09,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 02:49:09,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 02:49:09,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 02:49:09,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 02:49:09,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 02:49:09,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 02:49:09,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 02:49:09,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 02:49:09,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 02:49:09,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 02:49:09,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 02:49:09,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 02:49:09,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 02:49:09,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 02:49:09,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 02:49:09,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 02:49:09,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 02:49:09,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 02:49:09,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 02:49:09,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 02:49:09,539 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 [2020-10-28 02:49:09,567 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 02:49:09,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 02:49:09,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 02:49:09,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 02:49:09,570 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 02:49:09,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 02:49:09,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 02:49:09,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 02:49:09,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 02:49:09,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 02:49:09,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 02:49:09,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 02:49:09,572 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 02:49:09,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 02:49:09,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 02:49:09,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 02:49:09,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 02:49:09,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 02:49:09,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 02:49:09,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 02:49:09,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 02:49:09,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 02:49:09,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 02:49:09,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 02:49:09,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 02:49:09,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 02:49:09,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 02:49:09,577 INFO L138 SettingsManager]: * To the following directory=dump/ WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 02:49:10,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 02:49:10,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 02:49:10,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 02:49:10,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 02:49:10,076 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 02:49:10,078 INFO L432 ainManager$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 [2020-10-28 02:49:10,176 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/858c079c1/734643eb035c42168aa83ea679be4c93/FLAG16beb7554 [2020-10-28 02:49:11,329 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 02:49:11,330 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 [2020-10-28 02:49:11,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/858c079c1/734643eb035c42168aa83ea679be4c93/FLAG16beb7554 [2020-10-28 02:49:11,798 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/858c079c1/734643eb035c42168aa83ea679be4c93 [2020-10-28 02:49:11,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 02:49:11,808 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 02:49:11,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 02:49:11,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 02:49:11,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 02:49:11,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:49:11" (1/1) ... [2020-10-28 02:49:11,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2704eb72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:11, skipping insertion in model container [2020-10-28 02:49:11,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:49:11" (1/1) ... [2020-10-28 02:49:11,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 02:49:11,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 02:49:13,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 02:49:13,048 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 02:49:13,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 02:49:13,349 INFO L208 MainTranslator]: Completed translation [2020-10-28 02:49:13,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:13 WrapperNode [2020-10-28 02:49:13,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 02:49:13,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 02:49:13,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 02:49:13,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 02:49:13,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:13" (1/1) ... [2020-10-28 02:49:13,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:13" (1/1) ... [2020-10-28 02:49:13,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:13" (1/1) ... [2020-10-28 02:49:13,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:13" (1/1) ... [2020-10-28 02:49:13,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:13" (1/1) ... [2020-10-28 02:49:13,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:13" (1/1) ... [2020-10-28 02:49:13,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:13" (1/1) ... [2020-10-28 02:49:13,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 02:49:13,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 02:49:13,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 02:49:13,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 02:49:13,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:13" (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 [2020-10-28 02:49:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 02:49:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 02:49:13,738 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 02:49:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2020-10-28 02:49:13,739 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-28 02:49:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-28 02:49:13,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 02:49:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 02:49:13,741 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 02:49:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 02:49:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-28 02:49:13,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-28 02:49:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2020-10-28 02:49:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_save_reg_conf [2020-10-28 02:49:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_restore_reg_conf [2020-10-28 02:49:13,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2020-10-28 02:49:13,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2020-10-28 02:49:13,746 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom_val [2020-10-28 02:49:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom_val [2020-10-28 02:49:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf [2020-10-28 02:49:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf_mp [2020-10-28 02:49:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_gbe_mac_addr [2020-10-28 02:49:13,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_gbe_mac_addr [2020-10-28 02:49:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_read [2020-10-28 02:49:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_write [2020-10-28 02:49:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pch_mac [2020-10-28 02:49:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pch_mac [2020-10-28 02:49:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_probe [2020-10-28 02:49:13,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2020-10-28 02:49:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_suspend [2020-10-28 02:49:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_resume [2020-10-28 02:49:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_init [2020-10-28 02:49:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_exit [2020-10-28 02:49:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 02:49:13,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-28 02:49:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-28 02:49:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-28 02:49:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-28 02:49:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-28 02:49:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-28 02:49:13,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-28 02:49:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2020-10-28 02:49:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2020-10-28 02:49:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-28 02:49:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-28 02:49:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-28 02:49:13,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-28 02:49:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-28 02:49:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 02:49:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-28 02:49:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-28 02:49:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-28 02:49:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 02:49:13,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-28 02:49:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-28 02:49:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 02:49:13,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 02:49:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 02:49:13,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 02:49:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 02:49:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 02:49:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 02:49:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2020-10-28 02:49:13,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pch_phub_mutex [2020-10-28 02:49:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pch_phub_mutex [2020-10-28 02:49:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pch_phub_mutex [2020-10-28 02:49:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2020-10-28 02:49:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pch_phub_mutex [2020-10-28 02:49:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2020-10-28 02:49:13,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 02:49:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 02:49:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-28 02:49:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2020-10-28 02:49:13,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-28 02:49:13,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-28 02:49:13,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 02:49:13,759 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 02:49:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2020-10-28 02:49:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2020-10-28 02:49:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2020-10-28 02:49:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2020-10-28 02:49:13,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_probe_2 [2020-10-28 02:49:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_release_2 [2020-10-28 02:49:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-28 02:49:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-28 02:49:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-28 02:49:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-28 02:49:13,762 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-28 02:49:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-10-28 02:49:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-28 02:49:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-28 02:49:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2020-10-28 02:49:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2020-10-28 02:49:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2020-10-28 02:49:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-28 02:49:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-28 02:49:13,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-10-28 02:49:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-10-28 02:49:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-10-28 02:49:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2020-10-28 02:49:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-28 02:49:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2020-10-28 02:49:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2020-10-28 02:49:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2020-10-28 02:49:13,764 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2020-10-28 02:49:13,765 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 02:49:13,765 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 02:49:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 02:49:13,768 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 02:49:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 02:49:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 02:49:13,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 02:49:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-28 02:49:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-28 02:49:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-28 02:49:13,770 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-28 02:49:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-28 02:49:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-28 02:49:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-28 02:49:13,771 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-28 02:49:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-28 02:49:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-28 02:49:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-28 02:49:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2020-10-28 02:49:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-28 02:49:13,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-28 02:49:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-28 02:49:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-28 02:49:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2020-10-28 02:49:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-28 02:49:13,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-28 02:49:13,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-28 02:49:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-28 02:49:13,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-28 02:49:13,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-28 02:49:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-28 02:49:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-28 02:49:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2020-10-28 02:49:13,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2020-10-28 02:49:13,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 02:49:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2020-10-28 02:49:13,781 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-28 02:49:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-28 02:49:13,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2020-10-28 02:49:13,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2020-10-28 02:49:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2020-10-28 02:49:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2020-10-28 02:49:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2020-10-28 02:49:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2020-10-28 02:49:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 02:49:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 02:49:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-28 02:49:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-28 02:49:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-28 02:49:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2020-10-28 02:49:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2020-10-28 02:49:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-10-28 02:49:13,791 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-10-28 02:49:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-10-28 02:49:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-10-28 02:49:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2020-10-28 02:49:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2020-10-28 02:49:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-28 02:49:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-28 02:49:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-28 02:49:13,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-28 02:49:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 02:49:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-28 02:49:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 02:49:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-28 02:49:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 02:49:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 02:49:13,793 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 02:49:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 02:49:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 02:49:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 02:49:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-28 02:49:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-28 02:49:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-28 02:49:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2020-10-28 02:49:13,794 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2020-10-28 02:49:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 02:49:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_save_reg_conf [2020-10-28 02:49:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 02:49:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 02:49:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 02:49:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 02:49:13,795 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_restore_reg_conf [2020-10-28 02:49:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2020-10-28 02:49:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2020-10-28 02:49:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom_val [2020-10-28 02:49:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom_val [2020-10-28 02:49:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf [2020-10-28 02:49:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf_mp [2020-10-28 02:49:13,796 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_gbe_mac_addr [2020-10-28 02:49:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_gbe_mac_addr [2020-10-28 02:49:13,797 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_read [2020-10-28 02:49:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_write [2020-10-28 02:49:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure show_pch_mac [2020-10-28 02:49:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure store_pch_mac [2020-10-28 02:49:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_probe [2020-10-28 02:49:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2020-10-28 02:49:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_suspend [2020-10-28 02:49:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_resume [2020-10-28 02:49:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_init [2020-10-28 02:49:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_exit [2020-10-28 02:49:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 02:49:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_release_2 [2020-10-28 02:49:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_probe_2 [2020-10-28 02:49:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 02:49:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 02:49:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-28 02:49:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-28 02:49:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-28 02:49:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-28 02:49:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-28 02:49:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-28 02:49:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-28 02:49:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-28 02:49:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-28 02:49:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-28 02:49:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-28 02:49:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pch_phub_mutex [2020-10-28 02:49:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pch_phub_mutex [2020-10-28 02:49:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pch_phub_mutex [2020-10-28 02:49:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2020-10-28 02:49:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pch_phub_mutex [2020-10-28 02:49:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-28 02:49:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 02:49:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 02:49:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 02:49:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 02:49:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 02:49:18,503 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 02:49:18,504 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 02:49:18,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:49:18 BoogieIcfgContainer [2020-10-28 02:49:18,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 02:49:18,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 02:49:18,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 02:49:18,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 02:49:18,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:49:11" (1/3) ... [2020-10-28 02:49:18,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a628104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:49:18, skipping insertion in model container [2020-10-28 02:49:18,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:49:13" (2/3) ... [2020-10-28 02:49:18,519 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a628104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:49:18, skipping insertion in model container [2020-10-28 02:49:18,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:49:18" (3/3) ... [2020-10-28 02:49:18,521 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2020-10-28 02:49:18,535 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 02:49:18,542 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 02:49:18,556 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 02:49:18,592 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 02:49:18,593 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 02:49:18,593 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 02:49:18,593 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 02:49:18,593 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 02:49:18,593 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 02:49:18,593 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 02:49:18,593 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 02:49:18,633 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states. [2020-10-28 02:49:18,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-28 02:49:18,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:49:18,645 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] [2020-10-28 02:49:18,646 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:49:18,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:49:18,652 INFO L82 PathProgramCache]: Analyzing trace with hash 234812811, now seen corresponding path program 1 times [2020-10-28 02:49:18,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:49:18,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116267133] [2020-10-28 02:49:18,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:49:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:49:19,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:49:19,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:49:22,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:49:22,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-28 02:49:22,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:49:22,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3610 [2020-10-28 02:49:22,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:49:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:49:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 02:49:22,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 02:49:22,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 02:49:25,366 WARN L193 SmtUtils]: Spent 2.41 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-28 02:49:25,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:49:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:49:25,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:49:25,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:49:25,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:49:25,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:49:25,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-10-28 02:49:25,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:49:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:49:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:49:25,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:49:25,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:49:25,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:49:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:49:25,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:49:25,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:49:25,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:49:25,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:49:25,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:49:25,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:49:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:49:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:49:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:49:25,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:49:25,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-28 02:49:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:49:25,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:49:25,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:49:25,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 02:49:25,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:49:25,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:49:25,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:49:25,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:49:25,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 02:49:25,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:49:25,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:49:25,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:49:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:49:25,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:49:25,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:49:25,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:49:25,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:49:25,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:49:25,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:49:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:49:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:49:25,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:49:25,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:49:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:49:25,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116267133] [2020-10-28 02:49:25,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:49:25,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:49:25,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163963165] [2020-10-28 02:49:25,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:49:25,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:49:25,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:49:25,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:49:25,819 INFO L87 Difference]: Start difference. First operand 859 states. Second operand 5 states. [2020-10-28 02:49:29,150 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-28 02:50:02,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:50:02,363 INFO L93 Difference]: Finished difference Result 2467 states and 3432 transitions. [2020-10-28 02:50:02,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 02:50:02,366 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-28 02:50:02,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:50:02,408 INFO L225 Difference]: With dead ends: 2467 [2020-10-28 02:50:02,408 INFO L226 Difference]: Without dead ends: 1691 [2020-10-28 02:50:02,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:50:02,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2020-10-28 02:50:03,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1493. [2020-10-28 02:50:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-10-28 02:50:03,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1984 transitions. [2020-10-28 02:50:03,189 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1984 transitions. Word has length 31 [2020-10-28 02:50:03,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:50:03,189 INFO L481 AbstractCegarLoop]: Abstraction has 1493 states and 1984 transitions. [2020-10-28 02:50:03,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:50:03,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1984 transitions. [2020-10-28 02:50:03,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-28 02:50:03,201 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:50:03,201 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] [2020-10-28 02:50:03,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 02:50:03,202 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:50:03,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:50:03,202 INFO L82 PathProgramCache]: Analyzing trace with hash -597328046, now seen corresponding path program 1 times [2020-10-28 02:50:03,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:50:03,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561662249] [2020-10-28 02:50:03,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:50:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:03,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:03,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:05,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:05,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 02:50:05,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 02:50:05,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2587 [2020-10-28 02:50:05,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:50:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 02:50:05,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:50:05,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:08,542 WARN L193 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-28 02:50:08,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:50:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:08,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:08,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:08,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:08,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 198 [2020-10-28 02:50:08,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:08,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:08,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:08,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:50:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:08,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:08,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:08,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:08,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:50:08,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:08,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:08,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:50:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:08,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:08,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:08,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:50:08,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:08,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 02:50:08,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:08,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:08,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:08,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:50:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:08,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:08,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:08,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:08,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:08,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:50:08,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:08,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:08,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:50:08,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561662249] [2020-10-28 02:50:08,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:50:08,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:50:08,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502886270] [2020-10-28 02:50:08,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:50:08,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:50:08,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:50:08,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:50:08,936 INFO L87 Difference]: Start difference. First operand 1493 states and 1984 transitions. Second operand 5 states. [2020-10-28 02:50:12,041 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-28 02:50:29,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:50:29,565 INFO L93 Difference]: Finished difference Result 1707 states and 2300 transitions. [2020-10-28 02:50:29,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 02:50:29,567 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-28 02:50:29,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:50:29,581 INFO L225 Difference]: With dead ends: 1707 [2020-10-28 02:50:29,581 INFO L226 Difference]: Without dead ends: 1696 [2020-10-28 02:50:29,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:50:29,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2020-10-28 02:50:30,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1493. [2020-10-28 02:50:30,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-10-28 02:50:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1983 transitions. [2020-10-28 02:50:30,176 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1983 transitions. Word has length 36 [2020-10-28 02:50:30,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:50:30,177 INFO L481 AbstractCegarLoop]: Abstraction has 1493 states and 1983 transitions. [2020-10-28 02:50:30,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:50:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1983 transitions. [2020-10-28 02:50:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-28 02:50:30,179 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:50:30,179 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] [2020-10-28 02:50:30,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 02:50:30,179 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:50:30,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:50:30,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1406674672, now seen corresponding path program 1 times [2020-10-28 02:50:30,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:50:30,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [851124225] [2020-10-28 02:50:30,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:50:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:30,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:31,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:31,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 02:50:31,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:31,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1010 [2020-10-28 02:50:31,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:31,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:50:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:50:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 02:50:31,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 02:50:33,781 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-28 02:50:33,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:50:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:33,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:34,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:34,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:34,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:34,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-10-28 02:50:34,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:34,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:34,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:34,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:34,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:34,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:50:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:34,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:34,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:34,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:34,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:34,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 02:50:34,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:50:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:50:34,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:34,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:50:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:34,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:34,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:34,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:50:34,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:34,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 02:50:34,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:34,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:50:34,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:34,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 02:50:34,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:34,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:50:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:34,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:34,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:34,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:34,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:34,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:50:34,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:34,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:34,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:50:34,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [851124225] [2020-10-28 02:50:34,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:50:34,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:50:34,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673171374] [2020-10-28 02:50:34,163 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:50:34,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:50:34,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:50:34,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:50:34,164 INFO L87 Difference]: Start difference. First operand 1493 states and 1983 transitions. Second operand 5 states. [2020-10-28 02:50:37,791 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-28 02:50:54,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:50:54,576 INFO L93 Difference]: Finished difference Result 1689 states and 2278 transitions. [2020-10-28 02:50:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 02:50:54,577 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-10-28 02:50:54,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:50:54,590 INFO L225 Difference]: With dead ends: 1689 [2020-10-28 02:50:54,591 INFO L226 Difference]: Without dead ends: 1684 [2020-10-28 02:50:54,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:50:54,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2020-10-28 02:50:55,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1492. [2020-10-28 02:50:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2020-10-28 02:50:55,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1981 transitions. [2020-10-28 02:50:55,019 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1981 transitions. Word has length 36 [2020-10-28 02:50:55,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:50:55,019 INFO L481 AbstractCegarLoop]: Abstraction has 1492 states and 1981 transitions. [2020-10-28 02:50:55,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:50:55,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1981 transitions. [2020-10-28 02:50:55,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-28 02:50:55,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:50:55,021 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] [2020-10-28 02:50:55,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 02:50:55,021 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:50:55,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:50:55,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1226516195, now seen corresponding path program 1 times [2020-10-28 02:50:55,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:50:55,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032597267] [2020-10-28 02:50:55,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:50:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:55,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:56,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:56,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-10-28 02:50:56,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:56,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-10-28 02:50:56,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:50:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:50:56,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 02:50:56,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:58,610 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-28 02:50:58,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:50:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:58,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:58,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:58,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:58,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:58,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-28 02:50:58,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:58,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:58,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:58,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:58,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:58,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:50:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:58,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:58,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:58,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:58,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:58,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:50:58,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:58,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:50:58,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:58,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:50:58,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:58,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:50:58,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:58,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:58,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:58,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:50:58,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:58,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 02:50:58,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:50:58,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:58,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 02:50:58,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:58,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:50:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:50:58,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:50:58,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:50:58,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:50:58,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:50:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:50:58,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:50:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:50:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:50:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:50:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:50:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:50:58,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032597267] [2020-10-28 02:50:58,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:50:58,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:50:58,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240440514] [2020-10-28 02:50:58,995 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:50:58,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:50:58,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:50:58,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:50:58,997 INFO L87 Difference]: Start difference. First operand 1492 states and 1981 transitions. Second operand 5 states. [2020-10-28 02:51:02,349 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-28 02:51:19,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:51:19,269 INFO L93 Difference]: Finished difference Result 1688 states and 2276 transitions. [2020-10-28 02:51:19,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 02:51:19,270 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-10-28 02:51:19,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:51:19,283 INFO L225 Difference]: With dead ends: 1688 [2020-10-28 02:51:19,283 INFO L226 Difference]: Without dead ends: 1683 [2020-10-28 02:51:19,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:51:19,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2020-10-28 02:51:19,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1491. [2020-10-28 02:51:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2020-10-28 02:51:19,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1979 transitions. [2020-10-28 02:51:19,773 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1979 transitions. Word has length 37 [2020-10-28 02:51:19,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:51:19,773 INFO L481 AbstractCegarLoop]: Abstraction has 1491 states and 1979 transitions. [2020-10-28 02:51:19,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:51:19,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1979 transitions. [2020-10-28 02:51:19,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-28 02:51:19,774 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:51:19,775 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] [2020-10-28 02:51:19,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 02:51:19,775 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:51:19,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:51:19,775 INFO L82 PathProgramCache]: Analyzing trace with hash 68106483, now seen corresponding path program 1 times [2020-10-28 02:51:19,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:51:19,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687432748] [2020-10-28 02:51:19,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:51:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:19,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:20,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:20,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-10-28 02:51:20,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 874 [2020-10-28 02:51:20,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 02:51:20,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 02:51:20,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:23,110 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-28 02:51:23,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:51:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:23,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:23,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:23,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:23,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:23,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 177 [2020-10-28 02:51:23,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:23,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:23,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:23,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:51:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:23,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:23,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:23,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:23,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:23,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:51:23,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 02:51:23,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:23,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 02:51:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:23,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:23,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:23,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 02:51:23,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:23,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 02:51:23,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:23,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:51:23,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:23,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 02:51:23,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:23,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:51:23,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:23,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:23,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:51:23,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:51:23,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:51:23,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:51:23,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:51:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:51:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:51:23,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:51:23,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:51:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:51:23,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687432748] [2020-10-28 02:51:23,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:51:23,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 02:51:23,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898908115] [2020-10-28 02:51:23,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 02:51:23,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:51:23,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 02:51:23,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 02:51:23,419 INFO L87 Difference]: Start difference. First operand 1491 states and 1979 transitions. Second operand 5 states. [2020-10-28 02:51:26,902 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-28 02:51:57,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:51:57,138 INFO L93 Difference]: Finished difference Result 4561 states and 6139 transitions. [2020-10-28 02:51:57,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 02:51:57,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2020-10-28 02:51:57,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:51:57,167 INFO L225 Difference]: With dead ends: 4561 [2020-10-28 02:51:57,167 INFO L226 Difference]: Without dead ends: 3069 [2020-10-28 02:51:57,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:51:57,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3069 states. [2020-10-28 02:51:58,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3069 to 2888. [2020-10-28 02:51:58,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2888 states. [2020-10-28 02:51:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2888 states and 3869 transitions. [2020-10-28 02:51:58,305 INFO L78 Accepts]: Start accepts. Automaton has 2888 states and 3869 transitions. Word has length 38 [2020-10-28 02:51:58,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:51:58,305 INFO L481 AbstractCegarLoop]: Abstraction has 2888 states and 3869 transitions. [2020-10-28 02:51:58,305 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 02:51:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3869 transitions. [2020-10-28 02:51:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-28 02:51:58,310 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:51:58,310 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:51:58,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 02:51:58,310 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:51:58,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:51:58,311 INFO L82 PathProgramCache]: Analyzing trace with hash 526015668, now seen corresponding path program 1 times [2020-10-28 02:51:58,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:51:58,311 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1348660808] [2020-10-28 02:51:58,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:51:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:51:58,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:58,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:51:59,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:03,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:03,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 02:52:03,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 02:52:03,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5067 [2020-10-28 02:52:03,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 02:52:03,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 02:52:03,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 02:52:03,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:05,990 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-28 02:52:05,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:52:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:06,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:06,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:06,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:06,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:06,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-28 02:52:06,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:06,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:06,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:06,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:06,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:06,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:52:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:06,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:06,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:06,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:06,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:06,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:52:06,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:06,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:06,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:06,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 02:52:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:06,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:06,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:06,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:52:06,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 02:52:06,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:06,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:52:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:06,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:06,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:06,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:52:06,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:06,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:52:06,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:06,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:06,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:06,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 02:52:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:06,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:06,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:06,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 02:52:06,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:06,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 02:52:06,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 02:52:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:06,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 02:52:06,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:06,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:52:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:06,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:06,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:06,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:06,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:06,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:52:06,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:06,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:06,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:06,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:06,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:06,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:52:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:06,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:06,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:06,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 02:52:06,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:06,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 02:52:06,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 02:52:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:06,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 02:52:06,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:06,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 02:52:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:06,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:06,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:06,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:06,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:06,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:52:06,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 02:52:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:06,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:06,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:52:06,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1348660808] [2020-10-28 02:52:06,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:52:06,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 02:52:06,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208893377] [2020-10-28 02:52:06,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 02:52:06,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:52:06,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 02:52:06,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-28 02:52:06,564 INFO L87 Difference]: Start difference. First operand 2888 states and 3869 transitions. Second operand 11 states. [2020-10-28 02:52:12,665 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-28 02:52:15,061 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-28 02:52:17,419 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-28 02:52:34,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 02:52:34,751 INFO L93 Difference]: Finished difference Result 3282 states and 4454 transitions. [2020-10-28 02:52:34,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 02:52:34,752 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 67 [2020-10-28 02:52:34,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 02:52:34,772 INFO L225 Difference]: With dead ends: 3282 [2020-10-28 02:52:34,772 INFO L226 Difference]: Without dead ends: 3133 [2020-10-28 02:52:34,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2020-10-28 02:52:34,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2020-10-28 02:52:35,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 2852. [2020-10-28 02:52:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2020-10-28 02:52:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3811 transitions. [2020-10-28 02:52:36,003 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3811 transitions. Word has length 67 [2020-10-28 02:52:36,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 02:52:36,003 INFO L481 AbstractCegarLoop]: Abstraction has 2852 states and 3811 transitions. [2020-10-28 02:52:36,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 02:52:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3811 transitions. [2020-10-28 02:52:36,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-28 02:52:36,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 02:52:36,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 02:52:36,010 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 02:52:36,010 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 02:52:36,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 02:52:36,011 INFO L82 PathProgramCache]: Analyzing trace with hash 593022421, now seen corresponding path program 1 times [2020-10-28 02:52:36,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 02:52:36,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507413406] [2020-10-28 02:52:36,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 02:52:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:36,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:37,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:37,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:41,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:41,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 02:52:41,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 02:52:41,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-28 02:52:41,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 02:52:41,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 63 [2020-10-28 02:52:41,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 02:52:41,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:43,769 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-28 02:52:43,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 02:52:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:43,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:43,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:43,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:43,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:43,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-28 02:52:43,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:43,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:43,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:43,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:43,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:44,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:52:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:44,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:44,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:44,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:44,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:44,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:52:44,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:44,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:44,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:44,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:44,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:44,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-28 02:52:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:44,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:44,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:44,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 02:52:44,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:44,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 02:52:44,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:44,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:44,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:44,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:44,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:52:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:44,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:44,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:44,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 02:52:44,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 02:52:44,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:44,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:44,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:44,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 02:52:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:44,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:44,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:44,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 02:52:44,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:44,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 02:52:44,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:52:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:44,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-28 02:52:44,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:44,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 02:52:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:44,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:44,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:44,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:44,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:44,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 02:52:44,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 02:52:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:44,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 02:52:44,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:44,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 02:52:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:44,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:44,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:44,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 02:52:44,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:44,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 02:52:44,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:44,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:52:44,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:44,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 02:52:44,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:44,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 02:52:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 02:52:44,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 02:52:44,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 02:52:44,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 02:52:44,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 02:52:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 02:52:44,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 02:52:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 02:52:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 02:52:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 02:52:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 02:52:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 02:52:44,185 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507413406] [2020-10-28 02:52:44,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 02:52:44,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 02:52:44,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077319482] [2020-10-28 02:52:44,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 02:52:44,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 02:52:44,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 02:52:44,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 02:52:44,189 INFO L87 Difference]: Start difference. First operand 2852 states and 3811 transitions. Second operand 7 states. [2020-10-28 02:52:50,784 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 592