/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 [2020-10-29 16:20:01,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 16:20:01,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 16:20:01,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 16:20:01,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 16:20:01,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 16:20:01,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 16:20:01,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 16:20:01,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 16:20:01,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 16:20:01,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 16:20:01,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 16:20:01,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 16:20:01,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 16:20:01,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 16:20:01,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 16:20:01,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 16:20:01,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 16:20:01,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 16:20:01,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 16:20:01,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 16:20:01,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 16:20:01,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 16:20:01,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 16:20:01,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 16:20:01,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 16:20:01,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 16:20:01,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 16:20:01,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 16:20:01,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 16:20:01,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 16:20:01,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 16:20:01,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 16:20:01,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 16:20:01,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 16:20:01,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 16:20:01,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 16:20:01,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 16:20:01,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 16:20:01,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 16:20:01,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 16:20:01,743 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 [2020-10-29 16:20:01,789 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 16:20:01,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 16:20:01,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 16:20:01,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 16:20:01,794 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 16:20:01,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 16:20:01,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 16:20:01,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 16:20:01,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 16:20:01,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 16:20:01,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 16:20:01,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 16:20:01,796 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 16:20:01,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 16:20:01,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 16:20:01,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 16:20:01,797 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 16:20:01,798 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 16:20:01,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 16:20:01,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 16:20:01,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 16:20:01,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 16:20:01,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 16:20:01,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 16:20:01,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 16:20:01,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 16:20:01,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-29 16:20:01,800 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 16:20:02,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 16:20:02,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 16:20:02,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 16:20:02,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 16:20:02,280 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 16:20:02,281 INFO L432 ainManager$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 [2020-10-29 16:20:02,368 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e72455eab/7f43d5ad814d4cc59e5d8034675905ed/FLAGb5ce21cb8 [2020-10-29 16:20:03,405 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 16:20:03,408 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 [2020-10-29 16:20:03,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e72455eab/7f43d5ad814d4cc59e5d8034675905ed/FLAGb5ce21cb8 [2020-10-29 16:20:03,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e72455eab/7f43d5ad814d4cc59e5d8034675905ed [2020-10-29 16:20:03,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 16:20:03,930 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 16:20:03,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 16:20:03,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 16:20:03,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 16:20:03,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:03" (1/1) ... [2020-10-29 16:20:03,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a41b052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:03, skipping insertion in model container [2020-10-29 16:20:03,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:20:03" (1/1) ... [2020-10-29 16:20:03,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 16:20:04,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 16:20:04,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:20:05,033 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 16:20:05,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 16:20:05,358 INFO L208 MainTranslator]: Completed translation [2020-10-29 16:20:05,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:05 WrapperNode [2020-10-29 16:20:05,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 16:20:05,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 16:20:05,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 16:20:05,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 16:20:05,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:05" (1/1) ... [2020-10-29 16:20:05,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:05" (1/1) ... [2020-10-29 16:20:05,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:05" (1/1) ... [2020-10-29 16:20:05,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:05" (1/1) ... [2020-10-29 16:20:05,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:05" (1/1) ... [2020-10-29 16:20:05,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:05" (1/1) ... [2020-10-29 16:20:05,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:05" (1/1) ... [2020-10-29 16:20:05,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 16:20:05,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 16:20:05,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 16:20:05,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 16:20:05,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:05" (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 [2020-10-29 16:20:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 16:20:05,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 16:20:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 16:20:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2020-10-29 16:20:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 16:20:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-29 16:20:05,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-29 16:20:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-29 16:20:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-29 16:20:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-29 16:20:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2020-10-29 16:20:05,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2020-10-29 16:20:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2020-10-29 16:20:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_save_reg_conf [2020-10-29 16:20:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_restore_reg_conf [2020-10-29 16:20:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2020-10-29 16:20:05,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2020-10-29 16:20:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom_val [2020-10-29 16:20:05,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom_val [2020-10-29 16:20:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf [2020-10-29 16:20:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_gbe_serial_rom_conf_mp [2020-10-29 16:20:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_gbe_mac_addr [2020-10-29 16:20:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_gbe_mac_addr [2020-10-29 16:20:05,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_read [2020-10-29 16:20:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_bin_write [2020-10-29 16:20:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure show_pch_mac [2020-10-29 16:20:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure store_pch_mac [2020-10-29 16:20:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_probe [2020-10-29 16:20:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2020-10-29 16:20:05,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_suspend [2020-10-29 16:20:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_resume [2020-10-29 16:20:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_init [2020-10-29 16:20:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_driver_exit [2020-10-29 16:20:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 16:20:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-29 16:20:05,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-29 16:20:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-29 16:20:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-29 16:20:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-29 16:20:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-29 16:20:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-29 16:20:05,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2020-10-29 16:20:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_9 [2020-10-29 16:20:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2020-10-29 16:20:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-29 16:20:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-29 16:20:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-29 16:20:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-29 16:20:05,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:20:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:20:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-29 16:20:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-29 16:20:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:20:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-29 16:20:05,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-29 16:20:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:20:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:20:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:20:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:20:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:20:05,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:20:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:20:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2020-10-29 16:20:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pch_phub_mutex [2020-10-29 16:20:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pch_phub_mutex [2020-10-29 16:20:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pch_phub_mutex [2020-10-29 16:20:05,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2020-10-29 16:20:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pch_phub_mutex [2020-10-29 16:20:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2020-10-29 16:20:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-29 16:20:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-29 16:20:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-29 16:20:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_enable_wake [2020-10-29 16:20:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2020-10-29 16:20:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-29 16:20:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-29 16:20:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-29 16:20:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dmi_get_system_info [2020-10-29 16:20:05,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2020-10-29 16:20:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2020-10-29 16:20:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2020-10-29 16:20:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_probe_2 [2020-10-29 16:20:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pch_bin_attr_release_2 [2020-10-29 16:20:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-10-29 16:20:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-29 16:20:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-29 16:20:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-29 16:20:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-29 16:20:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2020-10-29 16:20:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2020-10-29 16:20:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2020-10-29 16:20:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2020-10-29 16:20:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2020-10-29 16:20:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2020-10-29 16:20:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2020-10-29 16:20:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2020-10-29 16:20:05,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2020-10-29 16:20:05,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2020-10-29 16:20:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2020-10-29 16:20:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2020-10-29 16:20:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2020-10-29 16:20:05,771 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2020-10-29 16:20:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2020-10-29 16:20:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2020-10-29 16:20:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2020-10-29 16:20:05,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-29 16:20:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 16:20:05,772 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 16:20:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 16:20:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 16:20:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 16:20:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 16:20:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-29 16:20:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-29 16:20:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-29 16:20:05,773 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-29 16:20:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-29 16:20:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-29 16:20:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-29 16:20:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-29 16:20:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-29 16:20:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-29 16:20:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-29 16:20:05,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2020-10-29 16:20:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2020-10-29 16:20:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-29 16:20:05,775 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-29 16:20:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-29 16:20:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_9 [2020-10-29 16:20:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-29 16:20:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-29 16:20:05,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-29 16:20:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-29 16:20:05,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-29 16:20:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-29 16:20:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-29 16:20:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-29 16:20:05,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2020-10-29 16:20:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2020-10-29 16:20:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 16:20:05,779 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2020-10-29 16:20:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2020-10-29 16:20:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2020-10-29 16:20:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2020-10-29 16:20:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2020-10-29 16:20:05,780 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2020-10-29 16:20:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2020-10-29 16:20:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2020-10-29 16:20:05,781 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2020-10-29 16:20:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-29 16:20:05,782 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-29 16:20:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-29 16:20:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2020-10-29 16:20:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2020-10-29 16:20:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2020-10-29 16:20:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2020-10-29 16:20:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2020-10-29 16:20:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2020-10-29 16:20:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2020-10-29 16:20:05,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2020-10-29 16:20:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_enable_wake [2020-10-29 16:20:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2020-10-29 16:20:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2020-10-29 16:20:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2020-10-29 16:20:05,784 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2020-10-29 16:20:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2020-10-29 16:20:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-29 16:20:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 16:20:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 16:20:05,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-29 16:20:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-29 16:20:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 16:20:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-29 16:20:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-29 16:20:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-29 16:20:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-29 16:20:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2020-10-29 16:20:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2020-10-29 16:20:05,786 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-10-29 16:20:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure dmi_get_system_info [2020-10-29 16:20:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2020-10-29 16:20:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 16:20:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_save_reg_conf [2020-10-29 16:20:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 16:20:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 16:20:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 16:20:05,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 16:20:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_restore_reg_conf [2020-10-29 16:20:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2020-10-29 16:20:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2020-10-29 16:20:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom_val [2020-10-29 16:20:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom_val [2020-10-29 16:20:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf [2020-10-29 16:20:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_gbe_serial_rom_conf_mp [2020-10-29 16:20:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_gbe_mac_addr [2020-10-29 16:20:05,788 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_gbe_mac_addr [2020-10-29 16:20:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_read [2020-10-29 16:20:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_bin_write [2020-10-29 16:20:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure show_pch_mac [2020-10-29 16:20:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure store_pch_mac [2020-10-29 16:20:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_probe [2020-10-29 16:20:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2020-10-29 16:20:05,789 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_suspend [2020-10-29 16:20:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_resume [2020-10-29 16:20:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_init [2020-10-29 16:20:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_driver_exit [2020-10-29 16:20:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-29 16:20:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_release_2 [2020-10-29 16:20:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pch_bin_attr_probe_2 [2020-10-29 16:20:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-29 16:20:05,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 16:20:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-29 16:20:05,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-29 16:20:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-29 16:20:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-29 16:20:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-29 16:20:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-29 16:20:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-29 16:20:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-29 16:20:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-29 16:20:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-29 16:20:05,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-29 16:20:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pch_phub_mutex [2020-10-29 16:20:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pch_phub_mutex [2020-10-29 16:20:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pch_phub_mutex [2020-10-29 16:20:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pch_phub_mutex [2020-10-29 16:20:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pch_phub_mutex [2020-10-29 16:20:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-29 16:20:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 16:20:05,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 16:20:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 16:20:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 16:20:05,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 16:20:10,699 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 16:20:10,699 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 16:20:10,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:10 BoogieIcfgContainer [2020-10-29 16:20:10,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 16:20:10,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 16:20:10,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 16:20:10,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 16:20:10,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 04:20:03" (1/3) ... [2020-10-29 16:20:10,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6903ee15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:20:10, skipping insertion in model container [2020-10-29 16:20:10,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:20:05" (2/3) ... [2020-10-29 16:20:10,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6903ee15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 04:20:10, skipping insertion in model container [2020-10-29 16:20:10,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:20:10" (3/3) ... [2020-10-29 16:20:10,717 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2020-10-29 16:20:10,730 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 16:20:10,737 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 16:20:10,750 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 16:20:10,798 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 16:20:10,798 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 16:20:10,798 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 16:20:10,798 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 16:20:10,798 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 16:20:10,799 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 16:20:10,799 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 16:20:10,799 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 16:20:10,846 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states. [2020-10-29 16:20:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-29 16:20:10,861 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:20:10,862 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] [2020-10-29 16:20:10,862 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:20:10,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:20:10,874 INFO L82 PathProgramCache]: Analyzing trace with hash 234812811, now seen corresponding path program 1 times [2020-10-29 16:20:10,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:20:10,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1084590156] [2020-10-29 16:20:10,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:20:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:11,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:11,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:14,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:14,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 16:20:14,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:20:14,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3660 [2020-10-29 16:20:14,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:14,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:14,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:20:14,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:20:14,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-29 16:20:14,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-29 16:20:18,069 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-29 16:20:18,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:20:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:18,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:18,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:18,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:20:18,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:18,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-10-29 16:20:18,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:18,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:18,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:20:18,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:20:18,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:20:18,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:20:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:18,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:18,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:18,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:20:18,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:18,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:20:18,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:18,462 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:18,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:20:18,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:18,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:20:18,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:18,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 16:20:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:18,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:18,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:18,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 16:20:18,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:18,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:20:18,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:18,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:18,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:20:18,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:18,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 16:20:18,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:18,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:20:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:18,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:18,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:18,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:20:18,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:18,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:20:18,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:18,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:20:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:20:18,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:20:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:20:18,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1084590156] [2020-10-29 16:20:18,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:20:18,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:20:18,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432094108] [2020-10-29 16:20:18,527 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:20:18,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:20:18,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:20:18,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:20:18,546 INFO L87 Difference]: Start difference. First operand 859 states. Second operand 5 states. [2020-10-29 16:20:23,632 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-29 16:20:41,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:20:41,011 INFO L93 Difference]: Finished difference Result 1639 states and 2251 transitions. [2020-10-29 16:20:41,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:20:41,014 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-10-29 16:20:41,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:20:41,040 INFO L225 Difference]: With dead ends: 1639 [2020-10-29 16:20:41,040 INFO L226 Difference]: Without dead ends: 863 [2020-10-29 16:20:41,058 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:20:41,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2020-10-29 16:20:41,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 767. [2020-10-29 16:20:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-10-29 16:20:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1013 transitions. [2020-10-29 16:20:41,517 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1013 transitions. Word has length 31 [2020-10-29 16:20:41,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:20:41,518 INFO L481 AbstractCegarLoop]: Abstraction has 767 states and 1013 transitions. [2020-10-29 16:20:41,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:20:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1013 transitions. [2020-10-29 16:20:41,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-29 16:20:41,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:20:41,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:20:41,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 16:20:41,530 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:20:41,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:20:41,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1880011774, now seen corresponding path program 1 times [2020-10-29 16:20:41,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:20:41,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969113149] [2020-10-29 16:20:41,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:20:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:41,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:41,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:43,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:43,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 16:20:43,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:20:43,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2335 [2020-10-29 16:20:43,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:43,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:20:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:20:43,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 16:20:43,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:46,429 WARN L193 SmtUtils]: Spent 2.34 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-29 16:20:46,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:20:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:46,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:46,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:46,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:20:46,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:46,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-29 16:20:46,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:46,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:46,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:20:46,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:46,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:20:46,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:46,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:20:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:46,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:46,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:46,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:20:46,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:46,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:20:46,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:46,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:20:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:46,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:20:46,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:46,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 16:20:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:46,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:46,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:46,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 16:20:46,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:46,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 16:20:46,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:46,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:20:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:46,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 16:20:46,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:46,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:20:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:20:46,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:20:46,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:20:46,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:20:46,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:20:46,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:20:46,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:20:46,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:20:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:20:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:20:46,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:20:46,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:20:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:20:46,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969113149] [2020-10-29 16:20:46,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:20:46,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:20:46,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920967616] [2020-10-29 16:20:46,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:20:46,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:20:46,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:20:46,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:20:46,810 INFO L87 Difference]: Start difference. First operand 767 states and 1013 transitions. Second operand 5 states. [2020-10-29 16:20:51,554 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-29 16:21:07,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:21:07,932 INFO L93 Difference]: Finished difference Result 867 states and 1162 transitions. [2020-10-29 16:21:07,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 16:21:07,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-10-29 16:21:07,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:21:07,943 INFO L225 Difference]: With dead ends: 867 [2020-10-29 16:21:07,944 INFO L226 Difference]: Without dead ends: 862 [2020-10-29 16:21:07,945 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 [2020-10-29 16:21:07,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2020-10-29 16:21:08,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 766. [2020-10-29 16:21:08,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 766 states. [2020-10-29 16:21:08,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1011 transitions. [2020-10-29 16:21:08,260 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1011 transitions. Word has length 32 [2020-10-29 16:21:08,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:21:08,261 INFO L481 AbstractCegarLoop]: Abstraction has 766 states and 1011 transitions. [2020-10-29 16:21:08,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:21:08,261 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1011 transitions. [2020-10-29 16:21:08,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-29 16:21:08,263 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:21:08,263 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] [2020-10-29 16:21:08,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 16:21:08,263 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:21:08,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:21:08,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1284580014, now seen corresponding path program 1 times [2020-10-29 16:21:08,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:21:08,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28191155] [2020-10-29 16:21:08,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:21:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:08,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:08,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:10,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:10,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-29 16:21:10,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:21:10,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2230 [2020-10-29 16:21:10,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:10,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:10,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:21:10,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-29 16:21:10,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 16:21:10,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:13,176 WARN L193 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-29 16:21:13,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:21:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:13,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:13,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:13,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:13,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:13,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 192 [2020-10-29 16:21:13,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:13,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:21:13,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:13,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:21:13,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:21:13,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:21:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:13,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:13,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:13,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:13,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:13,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:21:13,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:13,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:13,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:21:13,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:13,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:21:13,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:21:13,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-29 16:21:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:13,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:13,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:13,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-29 16:21:13,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:13,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:21:13,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:13,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:21:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:13,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 16:21:13,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:21:13,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:21:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:13,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:13,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:13,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:13,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:13,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 16:21:13,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:13,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:21:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:21:13,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:21:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:21:13,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28191155] [2020-10-29 16:21:13,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:21:13,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-29 16:21:13,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785175371] [2020-10-29 16:21:13,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 16:21:13,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:21:13,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 16:21:13,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 16:21:13,564 INFO L87 Difference]: Start difference. First operand 766 states and 1011 transitions. Second operand 5 states. [2020-10-29 16:21:16,663 WARN L193 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-29 16:21:44,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:21:44,232 INFO L93 Difference]: Finished difference Result 2330 states and 3122 transitions. [2020-10-29 16:21:44,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 16:21:44,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-10-29 16:21:44,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:21:44,246 INFO L225 Difference]: With dead ends: 2330 [2020-10-29 16:21:44,246 INFO L226 Difference]: Without dead ends: 1563 [2020-10-29 16:21:44,251 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 [2020-10-29 16:21:44,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2020-10-29 16:21:44,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1479. [2020-10-29 16:21:44,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1479 states. [2020-10-29 16:21:44,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1971 transitions. [2020-10-29 16:21:44,683 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1971 transitions. Word has length 33 [2020-10-29 16:21:44,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:21:44,684 INFO L481 AbstractCegarLoop]: Abstraction has 1479 states and 1971 transitions. [2020-10-29 16:21:44,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 16:21:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1971 transitions. [2020-10-29 16:21:44,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-29 16:21:44,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:21:44,688 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] [2020-10-29 16:21:44,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 16:21:44,688 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:21:44,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:21:44,689 INFO L82 PathProgramCache]: Analyzing trace with hash 526015668, now seen corresponding path program 1 times [2020-10-29 16:21:44,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:21:44,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393588655] [2020-10-29 16:21:44,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:21:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:44,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:44,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:45,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:49,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:49,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-29 16:21:49,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 16:21:49,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5092 [2020-10-29 16:21:49,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:49,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:21:49,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:21:49,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-29 16:21:49,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:52,216 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-29 16:21:52,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:21:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:52,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:52,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:52,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:52,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:52,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 437 [2020-10-29 16:21:52,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:52,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:52,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:21:52,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:52,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:21:52,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:52,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:21:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:52,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:52,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:52,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:52,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:52,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:21:52,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:52,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:52,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:21:52,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:52,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:21:52,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:21:52,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 16:21:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:52,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:52,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:52,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:21:52,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 16:21:52,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:52,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:21:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:52,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 16:21:52,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:52,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:21:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:52,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:52,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:52,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:21:52,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:52,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:21:52,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:52,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:52,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:21:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:21:52,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:52,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 16:21:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:52,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:52,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:52,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 16:21:52,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:52,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-29 16:21:52,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:52,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:52,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:21:52,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:52,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 16:21:52,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:52,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:21:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:52,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:52,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:52,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:52,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:52,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:21:52,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:52,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:52,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:21:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:52,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:21:52,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:52,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:21:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:52,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:52,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:52,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 16:21:52,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:21:52,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:52,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:21:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:21:52,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:21:52,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:21:52,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 16:21:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:21:52,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:21:52,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:21:52,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:21:52,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:21:52,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:21:52,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:21:52,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:21:52,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:21:52,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:21:52,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:21:52,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:21:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:21:52,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393588655] [2020-10-29 16:21:52,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:21:52,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 16:21:52,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633959748] [2020-10-29 16:21:52,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 16:21:52,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:21:52,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 16:21:52,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 16:21:52,974 INFO L87 Difference]: Start difference. First operand 1479 states and 1971 transitions. Second operand 9 states. [2020-10-29 16:21:56,515 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-29 16:21:59,332 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 593 [2020-10-29 16:22:19,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:22:19,765 INFO L93 Difference]: Finished difference Result 3089 states and 4172 transitions. [2020-10-29 16:22:19,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 16:22:19,767 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 67 [2020-10-29 16:22:19,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:22:19,779 INFO L225 Difference]: With dead ends: 3089 [2020-10-29 16:22:19,779 INFO L226 Difference]: Without dead ends: 1621 [2020-10-29 16:22:19,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-29 16:22:19,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2020-10-29 16:22:20,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1479. [2020-10-29 16:22:20,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1479 states. [2020-10-29 16:22:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1969 transitions. [2020-10-29 16:22:20,309 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1969 transitions. Word has length 67 [2020-10-29 16:22:20,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:22:20,310 INFO L481 AbstractCegarLoop]: Abstraction has 1479 states and 1969 transitions. [2020-10-29 16:22:20,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 16:22:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1969 transitions. [2020-10-29 16:22:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-29 16:22:20,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:22:20,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:22:20,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 16:22:20,314 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:22:20,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:22:20,314 INFO L82 PathProgramCache]: Analyzing trace with hash 2106923938, now seen corresponding path program 1 times [2020-10-29 16:22:20,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:22:20,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691558399] [2020-10-29 16:22:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:22:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:20,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:20,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:20,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:20,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:25,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:25,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-29 16:22:25,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 16:22:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-29 16:22:25,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:25,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 16:22:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:22:25,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-29 16:22:25,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:27,837 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-29 16:22:27,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:22:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:27,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:28,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:28,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:28,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:28,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 469 [2020-10-29 16:22:28,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:28,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:28,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 16:22:28,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:22:28,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:22:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:28,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:28,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:28,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:28,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:28,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:22:28,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:28,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:28,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:28,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:28,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-29 16:22:28,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:28,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-29 16:22:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:28,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:28,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:28,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:22:28,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:28,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 16:22:28,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:28,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:28,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 16:22:28,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:28,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:22:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:28,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:28,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:28,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:22:28,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-29 16:22:28,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:28,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:28,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-29 16:22:28,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 16:22:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:28,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:28,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:28,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 16:22:28,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:28,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 16:22:28,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:28,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:28,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-29 16:22:28,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:28,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:22:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:28,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:28,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:28,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:28,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:28,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:22:28,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:28,633 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:28,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:28,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:28,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:28,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:28,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:22:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:28,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:28,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:28,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 16:22:28,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:28,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:22:28,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:28,644 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:28,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:28,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:28,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-29 16:22:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:28,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:28,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:28,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:28,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:28,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:22:28,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:28,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 16:22:28,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:28,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:28,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 16:22:28,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691558399] [2020-10-29 16:22:28,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:22:28,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 16:22:28,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093866388] [2020-10-29 16:22:28,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 16:22:28,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:22:28,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 16:22:28,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 16:22:28,683 INFO L87 Difference]: Start difference. First operand 1479 states and 1969 transitions. Second operand 9 states. [2020-10-29 16:22:31,803 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-29 16:22:34,410 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 593 [2020-10-29 16:22:48,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:22:48,062 INFO L93 Difference]: Finished difference Result 3075 states and 4146 transitions. [2020-10-29 16:22:48,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 16:22:48,063 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 68 [2020-10-29 16:22:48,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:22:48,074 INFO L225 Difference]: With dead ends: 3075 [2020-10-29 16:22:48,074 INFO L226 Difference]: Without dead ends: 1607 [2020-10-29 16:22:48,083 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-10-29 16:22:48,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-10-29 16:22:48,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1465. [2020-10-29 16:22:48,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1465 states. [2020-10-29 16:22:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 1943 transitions. [2020-10-29 16:22:48,705 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 1943 transitions. Word has length 68 [2020-10-29 16:22:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:22:48,706 INFO L481 AbstractCegarLoop]: Abstraction has 1465 states and 1943 transitions. [2020-10-29 16:22:48,706 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 16:22:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1943 transitions. [2020-10-29 16:22:48,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-29 16:22:48,709 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:22:48,709 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:22:48,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 16:22:48,710 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:22:48,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:22:48,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1472433818, now seen corresponding path program 1 times [2020-10-29 16:22:48,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:22:48,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065604623] [2020-10-29 16:22:48,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:22:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:48,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:48,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:50,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:53,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:53,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-29 16:22:53,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 16:22:53,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-29 16:22:53,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:53,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:53,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:22:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-29 16:22:53,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 16:22:53,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:22:56,295 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-29 16:22:56,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:22:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:56,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:56,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:56,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:56,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:56,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-29 16:22:56,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:56,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:56,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:56,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:56,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:56,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:22:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:56,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:56,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:56,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:56,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:56,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:22:56,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:56,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:56,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:56,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:56,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:56,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:56,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 16:22:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:56,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:56,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:56,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:22:56,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:56,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 16:22:56,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:56,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:56,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:56,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 16:22:56,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:56,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:56,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:22:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:56,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:56,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:56,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:22:56,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:56,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 16:22:56,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:56,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:56,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:56,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:56,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:56,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:56,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 16:22:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:56,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:56,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:56,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 16:22:56,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:56,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:22:56,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:56,643 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 16:22:56,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:56,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:22:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:56,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:56,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:56,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:22:56,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:22:56,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:56,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:56,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:56,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:22:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:56,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:56,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:56,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 16:22:56,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:56,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:22:56,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:56,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:56,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:56,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:56,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 16:22:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:56,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:56,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:56,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:22:56,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:56,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:22:56,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:56,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 16:22:56,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:56,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:56,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:22:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:22:56,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:22:56,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:22:56,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:22:56,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:22:56,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:22:56,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:22:56,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:22:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:22:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:22:56,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:22:56,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:22:56,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 16:22:56,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065604623] [2020-10-29 16:22:56,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:22:56,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 16:22:56,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269083854] [2020-10-29 16:22:56,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 16:22:56,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:22:56,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 16:22:56,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:22:56,727 INFO L87 Difference]: Start difference. First operand 1465 states and 1943 transitions. Second operand 7 states. [2020-10-29 16:23:00,163 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-29 16:23:31,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 16:23:31,965 INFO L93 Difference]: Finished difference Result 4397 states and 5915 transitions. [2020-10-29 16:23:31,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 16:23:31,966 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-10-29 16:23:31,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 16:23:31,982 INFO L225 Difference]: With dead ends: 4397 [2020-10-29 16:23:31,982 INFO L226 Difference]: Without dead ends: 2943 [2020-10-29 16:23:31,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-29 16:23:31,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2943 states. [2020-10-29 16:23:33,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2943 to 2663. [2020-10-29 16:23:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2663 states. [2020-10-29 16:23:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3537 transitions. [2020-10-29 16:23:33,206 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3537 transitions. Word has length 73 [2020-10-29 16:23:33,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 16:23:33,207 INFO L481 AbstractCegarLoop]: Abstraction has 2663 states and 3537 transitions. [2020-10-29 16:23:33,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 16:23:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3537 transitions. [2020-10-29 16:23:33,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-29 16:23:33,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 16:23:33,215 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 16:23:33,215 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 16:23:33,215 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 16:23:33,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 16:23:33,216 INFO L82 PathProgramCache]: Analyzing trace with hash 299931864, now seen corresponding path program 1 times [2020-10-29 16:23:33,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 16:23:33,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171571954] [2020-10-29 16:23:33,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 16:23:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:33,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:38,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:38,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 128 [2020-10-29 16:23:38,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 16:23:38,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-29 16:23:38,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:38,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:38,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 16:23:38,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-29 16:23:38,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 16:23:38,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:40,975 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-29 16:23:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 16:23:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:41,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-29 16:23:41,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:41,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:23:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:41,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:23:41,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:41,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:41,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-29 16:23:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 16:23:41,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:23:41,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:41,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:41,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:23:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:41,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:23:41,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:41,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:41,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 16:23:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:23:41,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:23:41,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 16:23:41,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:41,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:23:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:23:41,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:23:41,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:41,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:41,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 16:23:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-29 16:23:41,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 16:23:41,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-29 16:23:41,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:41,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:23:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 16:23:41,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:23:41,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:41,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 16:23:41,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 16:23:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 16:23:41,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 16:23:41,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:41,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:41,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-29 16:23:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-29 16:23:41,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 16:23:41,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 16:23:41,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:41,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 16:23:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 16:23:41,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 16:23:41,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 16:23:41,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 16:23:41,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 16:23:41,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 16:23:41,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 16:23:41,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 16:23:41,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 16:23:41,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 16:23:41,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 16:23:41,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 16:23:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 16:23:41,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171571954] [2020-10-29 16:23:41,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 16:23:41,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 16:23:41,403 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335532222] [2020-10-29 16:23:41,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 16:23:41,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 16:23:41,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 16:23:41,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-29 16:23:41,404 INFO L87 Difference]: Start difference. First operand 2663 states and 3537 transitions. Second operand 7 states.