/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:56:01,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:56:01,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:56:01,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:56:01,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:56:01,635 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:56:01,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:56:01,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:56:01,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:56:01,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:56:01,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:56:01,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:56:01,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:56:01,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:56:01,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:56:01,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:56:01,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:56:01,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:56:01,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:56:01,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:56:01,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:56:01,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:56:01,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:56:01,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:56:01,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:56:01,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:56:01,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:56:01,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:56:01,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:56:01,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:56:01,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:56:01,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:56:01,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:56:01,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:56:01,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:56:01,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:56:01,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:56:01,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:56:01,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:56:01,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:56:01,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:56:01,696 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 [2020-09-25 03:56:01,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:56:01,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:56:01,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:56:01,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:56:01,747 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:56:01,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:56:01,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:56:01,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:56:01,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:56:01,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:56:01,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:56:01,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:56:01,750 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:56:01,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:56:01,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:56:01,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:56:01,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:56:01,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:56:01,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:56:01,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:56:01,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:56:01,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:56:01,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:56:01,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:56:01,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:56:01,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:56:01,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 03:56:01,753 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=true; [2020-09-25 03:56:02,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:56:02,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:56:02,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:56:02,246 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:56:02,247 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:56:02,249 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 03:56:02,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7cbe00cbb/8a2c8ab47c324326bc6900e6d1289939/FLAG186d9bf7f [2020-09-25 03:56:03,110 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:56:03,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 03:56:03,136 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7cbe00cbb/8a2c8ab47c324326bc6900e6d1289939/FLAG186d9bf7f [2020-09-25 03:56:03,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7cbe00cbb/8a2c8ab47c324326bc6900e6d1289939 [2020-09-25 03:56:03,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:56:03,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:56:03,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:56:03,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:56:03,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:56:03,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:56:03" (1/1) ... [2020-09-25 03:56:03,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729581a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:03, skipping insertion in model container [2020-09-25 03:56:03,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:56:03" (1/1) ... [2020-09-25 03:56:03,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:56:03,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:56:04,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:56:04,296 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:56:04,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:56:04,676 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:56:04,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:04 WrapperNode [2020-09-25 03:56:04,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:56:04,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:56:04,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:56:04,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:56:04,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:04" (1/1) ... [2020-09-25 03:56:04,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:04" (1/1) ... [2020-09-25 03:56:04,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:04" (1/1) ... [2020-09-25 03:56:04,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:04" (1/1) ... [2020-09-25 03:56:04,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:04" (1/1) ... [2020-09-25 03:56:04,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:04" (1/1) ... [2020-09-25 03:56:04,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:04" (1/1) ... [2020-09-25 03:56:04,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:56:04,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:56:04,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:56:04,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:56:04,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:04" (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 [2020-09-25 03:56:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:56:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:56:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 03:56:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 03:56:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 03:56:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-09-25 03:56:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-09-25 03:56:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-09-25 03:56:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-09-25 03:56:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-09-25 03:56:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-09-25 03:56:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-09-25 03:56:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-09-25 03:56:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-09-25 03:56:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-09-25 03:56:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:56:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 03:56:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 03:56:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 03:56:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 03:56:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 03:56:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 03:56:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 03:56:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-09-25 03:56:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-25 03:56:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-09-25 03:56:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-09-25 03:56:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 03:56:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 03:56:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 03:56:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 03:56:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 03:56:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 03:56:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 03:56:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 03:56:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 03:56:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 03:56:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 03:56:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 03:56:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 03:56:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 03:56:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 03:56:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 03:56:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 03:56:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 03:56:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 03:56:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 03:56:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 03:56:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 03:56:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 03:56:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 03:56:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 03:56:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 03:56:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-25 03:56:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 03:56:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 03:56:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 03:56:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 03:56:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 03:56:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-09-25 03:56:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-09-25 03:56:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-09-25 03:56:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-09-25 03:56:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-09-25 03:56:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 03:56:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 03:56:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 03:56:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-09-25 03:56:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-09-25 03:56:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-09-25 03:56:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-09-25 03:56:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-09-25 03:56:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 03:56:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:56:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 03:56:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 03:56:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 03:56:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-25 03:56:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 03:56:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 03:56:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 03:56:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 03:56:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 03:56:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 03:56:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-25 03:56:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-09-25 03:56:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 03:56:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 03:56:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 03:56:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 03:56:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-09-25 03:56:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-09-25 03:56:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 03:56:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 03:56:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 03:56:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 03:56:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 03:56:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 03:56:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 03:56:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:56:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-09-25 03:56:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 03:56:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 03:56:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 03:56:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-09-25 03:56:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-09-25 03:56:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-09-25 03:56:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-09-25 03:56:05,006 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-09-25 03:56:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-09-25 03:56:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-09-25 03:56:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-09-25 03:56:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-09-25 03:56:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-09-25 03:56:05,007 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-09-25 03:56:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-09-25 03:56:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 03:56:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:56:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-09-25 03:56:05,008 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-09-25 03:56:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:56:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-09-25 03:56:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-09-25 03:56:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:56:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:56:05,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:56:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-09-25 03:56:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-09-25 03:56:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-09-25 03:56:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 03:56:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 03:56:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:56:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 03:56:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 03:56:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 03:56:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 03:56:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 03:56:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 03:56:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 03:56:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 03:56:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 03:56:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 03:56:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 03:56:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 03:56:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 03:56:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 03:56:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 03:56:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 03:56:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 03:56:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 03:56:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:56:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:56:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 03:56:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 03:56:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:56:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:56:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 03:56:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:56:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:56:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 03:56:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:56:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:56:06,946 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:56:06,947 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 03:56:06,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:56:06 BoogieIcfgContainer [2020-09-25 03:56:06,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:56:06,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:56:06,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:56:06,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:56:06,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:56:03" (1/3) ... [2020-09-25 03:56:06,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56833d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:56:06, skipping insertion in model container [2020-09-25 03:56:06,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:56:04" (2/3) ... [2020-09-25 03:56:06,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56833d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:56:06, skipping insertion in model container [2020-09-25 03:56:06,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:56:06" (3/3) ... [2020-09-25 03:56:06,969 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 03:56:06,982 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:56:06,994 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:56:07,022 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:56:07,057 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:56:07,058 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:56:07,058 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:56:07,058 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:56:07,058 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:56:07,058 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:56:07,058 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:56:07,059 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:56:07,098 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states. [2020-09-25 03:56:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-25 03:56:07,123 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:56:07,124 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:56:07,125 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:56:07,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:56:07,132 INFO L82 PathProgramCache]: Analyzing trace with hash -945339618, now seen corresponding path program 1 times [2020-09-25 03:56:07,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:56:07,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1850895891] [2020-09-25 03:56:07,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:56:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:07,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:08,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:09,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:09,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-25 03:56:09,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:09,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1589 [2020-09-25 03:56:09,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-09-25 03:56:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 03:56:09,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:56:09,754 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 03:56:09,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:09,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:10,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:10,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 03:56:10,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:10,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 296 [2020-09-25 03:56:10,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:10,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 03:56:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:10,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:10,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:10,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:56:10,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:10,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 03:56:10,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:10,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 03:56:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:10,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 03:56:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:10,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:10,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:10,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:56:10,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:10,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 03:56:10,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:10,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:10,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 03:56:10,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:10,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:10,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:10,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:10,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:56:10,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:10,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:56:10,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:10,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:10,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:10,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:10,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:56:10,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1850895891] [2020-09-25 03:56:10,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:56:10,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:56:10,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53490844] [2020-09-25 03:56:10,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:56:10,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:56:10,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:56:10,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:56:10,564 INFO L87 Difference]: Start difference. First operand 934 states. Second operand 5 states. [2020-09-25 03:56:11,928 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 03:56:14,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:56:14,204 INFO L93 Difference]: Finished difference Result 1280 states and 1446 transitions. [2020-09-25 03:56:14,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:56:14,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-09-25 03:56:14,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:56:14,256 INFO L225 Difference]: With dead ends: 1280 [2020-09-25 03:56:14,256 INFO L226 Difference]: Without dead ends: 778 [2020-09-25 03:56:14,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:56:14,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-09-25 03:56:14,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 735. [2020-09-25 03:56:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-09-25 03:56:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 793 transitions. [2020-09-25 03:56:14,412 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 793 transitions. Word has length 278 [2020-09-25 03:56:14,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:56:14,414 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 793 transitions. [2020-09-25 03:56:14,414 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:56:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 793 transitions. [2020-09-25 03:56:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-25 03:56:14,426 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:56:14,426 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:56:14,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:56:14,430 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:56:14,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:56:14,431 INFO L82 PathProgramCache]: Analyzing trace with hash 758943000, now seen corresponding path program 1 times [2020-09-25 03:56:14,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:56:14,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065304227] [2020-09-25 03:56:14,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:56:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:14,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:14,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:15,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:15,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 03:56:15,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:15,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1018 [2020-09-25 03:56:15,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:15,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:15,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-09-25 03:56:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 03:56:15,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:15,901 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 03:56:15,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:15,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:16,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:16,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 03:56:16,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:16,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-09-25 03:56:16,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:16,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:16,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 03:56:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:16,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:16,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:16,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:56:16,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:16,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 03:56:16,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:16,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:16,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:16,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 03:56:16,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:16,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 03:56:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:16,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:16,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:16,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:56:16,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:16,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 03:56:16,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:16,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:16,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 03:56:16,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:16,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:16,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:16,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:16,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:56:16,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:16,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:56:16,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:16,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:16,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:16,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:16,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:16,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:56:16,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065304227] [2020-09-25 03:56:16,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:56:16,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:56:16,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355075756] [2020-09-25 03:56:16,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:56:16,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:56:16,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:56:16,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:56:16,559 INFO L87 Difference]: Start difference. First operand 735 states and 793 transitions. Second operand 5 states. [2020-09-25 03:56:17,915 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 03:56:19,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:56:19,892 INFO L93 Difference]: Finished difference Result 780 states and 845 transitions. [2020-09-25 03:56:19,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:56:19,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2020-09-25 03:56:19,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:56:19,905 INFO L225 Difference]: With dead ends: 780 [2020-09-25 03:56:19,905 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 03:56:19,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:56:19,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 03:56:19,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 734. [2020-09-25 03:56:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-09-25 03:56:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 791 transitions. [2020-09-25 03:56:19,982 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 791 transitions. Word has length 279 [2020-09-25 03:56:19,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:56:19,983 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 791 transitions. [2020-09-25 03:56:19,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:56:19,983 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 791 transitions. [2020-09-25 03:56:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 03:56:19,988 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:56:19,988 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:56:19,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:56:19,989 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:56:19,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:56:19,989 INFO L82 PathProgramCache]: Analyzing trace with hash 2052101473, now seen corresponding path program 1 times [2020-09-25 03:56:19,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:56:19,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1877892168] [2020-09-25 03:56:19,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:56:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:20,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:20,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:21,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:21,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 03:56:21,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:21,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 970 [2020-09-25 03:56:21,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:21,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:21,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-09-25 03:56:21,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 03:56:21,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:21,384 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 03:56:21,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:21,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:21,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:21,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 03:56:21,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:21,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 372 [2020-09-25 03:56:21,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:21,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:21,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:21,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 03:56:21,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 03:56:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:21,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:22,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:22,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:56:22,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:22,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 03:56:22,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:56:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:22,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 03:56:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:22,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:22,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:22,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:56:22,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:22,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 03:56:22,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:22,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:22,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:22,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 03:56:22,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:22,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:22,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:22,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:22,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:56:22,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:22,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:56:22,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:22,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:22,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:22,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:56:22,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1877892168] [2020-09-25 03:56:22,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:56:22,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:56:22,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877179767] [2020-09-25 03:56:22,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:56:22,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:56:22,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:56:22,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:56:22,213 INFO L87 Difference]: Start difference. First operand 734 states and 791 transitions. Second operand 5 states. [2020-09-25 03:56:23,532 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 03:56:25,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:56:25,589 INFO L93 Difference]: Finished difference Result 781 states and 844 transitions. [2020-09-25 03:56:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:56:25,590 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 280 [2020-09-25 03:56:25,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:56:25,598 INFO L225 Difference]: With dead ends: 781 [2020-09-25 03:56:25,598 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 03:56:25,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:56:25,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 03:56:25,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 732. [2020-09-25 03:56:25,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-09-25 03:56:25,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 787 transitions. [2020-09-25 03:56:25,647 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 787 transitions. Word has length 280 [2020-09-25 03:56:25,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:56:25,648 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 787 transitions. [2020-09-25 03:56:25,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:56:25,648 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 787 transitions. [2020-09-25 03:56:25,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-25 03:56:25,653 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:56:25,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:56:25,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:56:25,654 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:56:25,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:56:25,654 INFO L82 PathProgramCache]: Analyzing trace with hash -809653957, now seen corresponding path program 1 times [2020-09-25 03:56:25,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:56:25,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776233001] [2020-09-25 03:56:25,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:56:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:25,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:26,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:26,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:26,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-25 03:56:26,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:56:26,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1001 [2020-09-25 03:56:26,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:26,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-09-25 03:56:26,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 03:56:26,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:27,130 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 03:56:27,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:27,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:27,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 03:56:27,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:27,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-25 03:56:27,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:27,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:27,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:27,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:27,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 03:56:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:27,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:27,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:56:27,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:27,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 03:56:27,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:27,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:56:27,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:27,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 03:56:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:27,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:27,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:56:27,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:27,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 03:56:27,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 03:56:27,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:27,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:27,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:27,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:27,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:27,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:56:27,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:27,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:56:27,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:27,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:27,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:27,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:27,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:56:27,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776233001] [2020-09-25 03:56:27,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:56:27,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:56:27,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616009990] [2020-09-25 03:56:27,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:56:27,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:56:27,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:56:27,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:56:27,682 INFO L87 Difference]: Start difference. First operand 732 states and 787 transitions. Second operand 5 states. [2020-09-25 03:56:28,795 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 03:56:30,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:56:30,670 INFO L93 Difference]: Finished difference Result 777 states and 839 transitions. [2020-09-25 03:56:30,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:56:30,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2020-09-25 03:56:30,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:56:30,677 INFO L225 Difference]: With dead ends: 777 [2020-09-25 03:56:30,677 INFO L226 Difference]: Without dead ends: 760 [2020-09-25 03:56:30,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:56:30,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-25 03:56:30,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 717. [2020-09-25 03:56:30,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-09-25 03:56:30,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 770 transitions. [2020-09-25 03:56:30,719 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 770 transitions. Word has length 281 [2020-09-25 03:56:30,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:56:30,720 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 770 transitions. [2020-09-25 03:56:30,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:56:30,720 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 770 transitions. [2020-09-25 03:56:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-25 03:56:30,723 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:56:30,723 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:56:30,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:56:30,724 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:56:30,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:56:30,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1704679464, now seen corresponding path program 1 times [2020-09-25 03:56:30,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:56:30,725 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378064114] [2020-09-25 03:56:30,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:56:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:30,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:31,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:31,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:33,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:33,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-25 03:56:33,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:56:33,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3008 [2020-09-25 03:56:33,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:33,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:56:33,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 319 [2020-09-25 03:56:33,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 03:56:33,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:34,157 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 03:56:34,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:56:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:34,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:34,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:34,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 03:56:34,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:34,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-25 03:56:34,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:34,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:34,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:34,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 03:56:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:34,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:34,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:34,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:56:34,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:34,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 03:56:34,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:34,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:34,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:34,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:34,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:34,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-09-25 03:56:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:34,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:34,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:34,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 03:56:34,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:34,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 03:56:34,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:34,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:34,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:56:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:34,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:34,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:34,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:56:34,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 03:56:34,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:56:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:56:34,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:34,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 03:56:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:34,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:34,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:34,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 03:56:34,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 03:56:34,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:34,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:56:34,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:34,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:56:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:34,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:34,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:34,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:56:34,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 03:56:34,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:56:34,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:34,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 03:56:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:34,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:34,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:34,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:56:34,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:34,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 03:56:34,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:34,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:34,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:56:34,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:56:34,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-25 03:56:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:56:34,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:56:34,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:56:34,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:56:34,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:56:34,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 03:56:34,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:56:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:56:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:56:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:56:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:56:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:56:34,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378064114] [2020-09-25 03:56:34,883 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:56:34,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 03:56:34,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065621796] [2020-09-25 03:56:34,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 03:56:34,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:56:34,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 03:56:34,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:56:34,886 INFO L87 Difference]: Start difference. First operand 717 states and 770 transitions. Second operand 7 states. [2020-09-25 03:56:37,726 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 03:56:38,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:56:38,895 INFO L93 Difference]: Finished difference Result 893 states and 1002 transitions. [2020-09-25 03:56:38,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 03:56:38,896 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 329 [2020-09-25 03:56:38,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:56:38,898 INFO L225 Difference]: With dead ends: 893 [2020-09-25 03:56:38,898 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 03:56:38,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-09-25 03:56:38,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 03:56:38,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 03:56:38,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 03:56:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 03:56:38,903 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 329 [2020-09-25 03:56:38,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:56:38,903 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 03:56:38,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 03:56:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 03:56:38,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 03:56:38,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 03:56:38,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 03:56:39,074 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:39,223 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:39,371 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:39,560 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:39,706 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:39,850 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:39,993 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:40,190 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:40,329 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:40,479 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:40,615 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:40,778 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:40,918 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:41,193 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:41,449 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:41,588 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:41,726 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:41,885 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:42,023 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:42,160 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:42,295 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:42,429 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:42,567 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:42,686 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 03:56:42,932 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:43,175 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:43,311 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:43,447 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:43,582 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:43,718 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:43,855 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:43,991 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:44,127 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:44,262 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:44,397 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:44,539 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:44,675 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:44,816 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:44,952 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:45,070 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 03:56:45,224 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:45,359 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:45,477 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 03:56:45,620 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:45,754 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:45,894 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:46,029 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:46,169 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:46,313 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:46,456 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:46,703 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:46,943 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:47,078 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:47,213 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:47,455 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:47,692 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:47,839 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:47,975 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:48,114 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:48,248 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:48,384 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:48,519 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:48,653 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:48,794 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:48,930 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:49,075 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:49,209 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:49,344 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:49,480 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:49,597 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 03:56:49,732 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:49,867 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:50,012 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:50,147 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:50,294 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:50,428 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:50,564 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:50,807 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:51,044 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:51,184 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:51,320 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:51,464 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:51,598 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:51,733 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:51,869 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:52,003 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:52,139 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:52,274 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:52,408 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:52,543 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:52,678 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:52,812 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:52,947 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:53,082 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:53,221 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:53,355 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:53,490 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 03:56:53,727 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:53,966 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 03:56:54,103 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:54,238 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:54,373 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:54,508 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:54,642 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:54,776 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:54,928 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:55,063 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 03:56:55,330 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 21 [2020-09-25 03:56:55,563 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 21 [2020-09-25 03:56:55,765 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 16