/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --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 05:04:14,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:04:14,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:04:14,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:04:14,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:04:14,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:04:14,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:04:14,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:04:14,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:04:14,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:04:14,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:04:14,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:04:14,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:04:14,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:04:14,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:04:14,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:04:14,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:04:14,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:04:14,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:04:14,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:04:14,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:04:14,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:04:14,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:04:14,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:04:14,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:04:14,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:04:14,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:04:14,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:04:14,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:04:14,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:04:14,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:04:14,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:04:14,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:04:14,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:04:14,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:04:14,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:04:14,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:04:14,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:04:14,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:04:14,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:04:14,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:04:14,883 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 05:04:14,932 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:04:14,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:04:14,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:04:14,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:04:14,934 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:04:14,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:04:14,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:04:14,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:04:14,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:04:14,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:04:14,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:04:14,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:04:14,936 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:04:14,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:04:14,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:04:14,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:04:14,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:04:14,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:04:14,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:04:14,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:04:14,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:04:14,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:04:14,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:04:14,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:04:14,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:04:14,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:04:14,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 05:04:14,939 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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;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=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 05:04:15,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:04:15,452 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:04:15,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:04:15,459 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:04:15,460 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:04:15,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 05:04:15,564 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8b800208/d6551c17d62e49cfa41e94ffe5318b0d/FLAGa3b17a979 [2020-09-25 05:04:16,343 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:04:16,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 05:04:16,384 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8b800208/d6551c17d62e49cfa41e94ffe5318b0d/FLAGa3b17a979 [2020-09-25 05:04:16,457 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8b800208/d6551c17d62e49cfa41e94ffe5318b0d [2020-09-25 05:04:16,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:04:16,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:04:16,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:04:16,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:04:16,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:04:16,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:16" (1/1) ... [2020-09-25 05:04:16,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6acd59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:16, skipping insertion in model container [2020-09-25 05:04:16,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:04:16" (1/1) ... [2020-09-25 05:04:16,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:04:16,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:04:17,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:04:17,626 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:04:17,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:04:17,890 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:04:17,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:17 WrapperNode [2020-09-25 05:04:17,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:04:17,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:04:17,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:04:17,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:04:17,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:17" (1/1) ... [2020-09-25 05:04:17,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:17" (1/1) ... [2020-09-25 05:04:17,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:17" (1/1) ... [2020-09-25 05:04:17,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:17" (1/1) ... [2020-09-25 05:04:18,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:17" (1/1) ... [2020-09-25 05:04:18,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:17" (1/1) ... [2020-09-25 05:04:18,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:17" (1/1) ... [2020-09-25 05:04:18,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:04:18,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:04:18,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:04:18,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:04:18,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:17" (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 05:04:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:04:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:04:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 05:04:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 05:04:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 05:04:18,132 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-09-25 05:04:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-09-25 05:04:18,133 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-09-25 05:04:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-09-25 05:04:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-09-25 05:04:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-09-25 05:04:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-09-25 05:04:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-09-25 05:04:18,135 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-09-25 05:04:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-09-25 05:04:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:04:18,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 05:04:18,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 05:04:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 05:04:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 05:04:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 05:04:18,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 05:04:18,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 05:04:18,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-09-25 05:04:18,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-25 05:04:18,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-09-25 05:04:18,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-09-25 05:04:18,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 05:04:18,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 05:04:18,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 05:04:18,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 05:04:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 05:04:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 05:04:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 05:04:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 05:04:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 05:04:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 05:04:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 05:04:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 05:04:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 05:04:18,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 05:04:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 05:04:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 05:04:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 05:04:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 05:04:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 05:04:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 05:04:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 05:04:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 05:04:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 05:04:18,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 05:04:18,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 05:04:18,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 05:04:18,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-25 05:04:18,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 05:04:18,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 05:04:18,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 05:04:18,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 05:04:18,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 05:04:18,149 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-09-25 05:04:18,149 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-09-25 05:04:18,149 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-09-25 05:04:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-09-25 05:04:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-09-25 05:04:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 05:04:18,151 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 05:04:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 05:04:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-09-25 05:04:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-09-25 05:04:18,153 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-09-25 05:04:18,153 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-09-25 05:04:18,153 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-09-25 05:04:18,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 05:04:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:04:18,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 05:04:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 05:04:18,154 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 05:04:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-25 05:04:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 05:04:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 05:04:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 05:04:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 05:04:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 05:04:18,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 05:04:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-25 05:04:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-09-25 05:04:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 05:04:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 05:04:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 05:04:18,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 05:04:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-09-25 05:04:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-09-25 05:04:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 05:04:18,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 05:04:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 05:04:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 05:04:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 05:04:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 05:04:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 05:04:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:04:18,158 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-09-25 05:04:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 05:04:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 05:04:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 05:04:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-09-25 05:04:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-09-25 05:04:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-09-25 05:04:18,159 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-09-25 05:04:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-09-25 05:04:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-09-25 05:04:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-09-25 05:04:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-09-25 05:04:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-09-25 05:04:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-09-25 05:04:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-09-25 05:04:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-09-25 05:04:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 05:04:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:04:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-09-25 05:04:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-09-25 05:04:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:04:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-09-25 05:04:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-09-25 05:04:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:04:18,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:04:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:04:18,169 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-09-25 05:04:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-09-25 05:04:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-09-25 05:04:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 05:04:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 05:04:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:04:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 05:04:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 05:04:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 05:04:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 05:04:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 05:04:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 05:04:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 05:04:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 05:04:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 05:04:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 05:04:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 05:04:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 05:04:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 05:04:18,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 05:04:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 05:04:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 05:04:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 05:04:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 05:04:18,184 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:04:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 05:04:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 05:04:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 05:04:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:04:18,185 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:04:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 05:04:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:04:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:04:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 05:04:18,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:04:18,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:04:20,192 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:04:20,192 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 05:04:20,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:20 BoogieIcfgContainer [2020-09-25 05:04:20,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:04:20,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:04:20,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:04:20,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:04:20,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:04:16" (1/3) ... [2020-09-25 05:04:20,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da4814c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:04:20, skipping insertion in model container [2020-09-25 05:04:20,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:04:17" (2/3) ... [2020-09-25 05:04:20,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2da4814c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:04:20, skipping insertion in model container [2020-09-25 05:04:20,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:04:20" (3/3) ... [2020-09-25 05:04:20,213 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 05:04:20,226 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:04:20,240 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:04:20,270 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:04:20,306 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:04:20,306 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:04:20,306 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:04:20,306 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:04:20,306 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:04:20,307 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:04:20,307 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:04:20,307 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:04:20,347 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states. [2020-09-25 05:04:20,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-25 05:04:20,370 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:20,372 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 05:04:20,372 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:20,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:20,380 INFO L82 PathProgramCache]: Analyzing trace with hash -945339618, now seen corresponding path program 1 times [2020-09-25 05:04:20,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:20,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [225574861] [2020-09-25 05:04:20,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:21,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:21,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:22,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:22,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-25 05:04:22,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:22,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1623 [2020-09-25 05:04:22,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:22,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:22,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-09-25 05:04:22,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 05:04:22,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:04:23,021 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 05:04:23,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:23,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:23,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:23,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 05:04:23,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-25 05:04:23,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:23,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:23,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:23,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:23,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:23,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 05:04:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:23,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:23,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:23,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:04:23,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:23,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 05:04:23,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:23,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:23,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:04:23,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:23,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 05:04:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:23,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:23,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:23,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:04:23,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:23,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 05:04:23,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:23,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:23,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:04:23,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:23,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:23,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:23,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:23,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:23,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:23,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 05:04:23,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:23,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:23,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:23,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:23,851 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 05:04:23,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [225574861] [2020-09-25 05:04:23,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:23,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:04:23,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386146628] [2020-09-25 05:04:23,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:04:23,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:23,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:04:23,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:04:23,892 INFO L87 Difference]: Start difference. First operand 934 states. Second operand 5 states. [2020-09-25 05:04:25,475 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 05:04:27,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:27,687 INFO L93 Difference]: Finished difference Result 1280 states and 1446 transitions. [2020-09-25 05:04:27,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:04:27,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-09-25 05:04:27,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:27,740 INFO L225 Difference]: With dead ends: 1280 [2020-09-25 05:04:27,740 INFO L226 Difference]: Without dead ends: 778 [2020-09-25 05:04:27,753 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 05:04:27,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-09-25 05:04:27,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 735. [2020-09-25 05:04:27,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-09-25 05:04:27,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 793 transitions. [2020-09-25 05:04:27,936 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 793 transitions. Word has length 278 [2020-09-25 05:04:27,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:27,944 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 793 transitions. [2020-09-25 05:04:27,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:04:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 793 transitions. [2020-09-25 05:04:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-25 05:04:27,964 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:27,964 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 05:04:27,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:04:27,965 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:27,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:27,966 INFO L82 PathProgramCache]: Analyzing trace with hash 758943000, now seen corresponding path program 1 times [2020-09-25 05:04:27,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:27,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352139120] [2020-09-25 05:04:27,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:28,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:28,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:29,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:29,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 05:04:29,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:29,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1239 [2020-09-25 05:04:29,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:29,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:29,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:29,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-09-25 05:04:29,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 05:04:29,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:29,650 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 05:04:29,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:29,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:29,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:29,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 05:04:29,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:29,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-09-25 05:04:29,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:29,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:29,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:29,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:04:30,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 05:04:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:30,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:30,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:30,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:04:30,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:30,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 05:04:30,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:30,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:04:30,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 05:04:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:30,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:30,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:30,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:04:30,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:30,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 05:04:30,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:30,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:30,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:04:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:30,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:30,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:30,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:30,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:30,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:30,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:04:30,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:30,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:30,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:30,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:30,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:30,217 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 05:04:30,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352139120] [2020-09-25 05:04:30,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:30,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:04:30,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637655445] [2020-09-25 05:04:30,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:04:30,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:30,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:04:30,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:04:30,224 INFO L87 Difference]: Start difference. First operand 735 states and 793 transitions. Second operand 5 states. [2020-09-25 05:04:31,394 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 05:04:33,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:33,459 INFO L93 Difference]: Finished difference Result 780 states and 845 transitions. [2020-09-25 05:04:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:04:33,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2020-09-25 05:04:33,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:33,467 INFO L225 Difference]: With dead ends: 780 [2020-09-25 05:04:33,467 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 05:04:33,469 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 05:04:33,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 05:04:33,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 734. [2020-09-25 05:04:33,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-09-25 05:04:33,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 791 transitions. [2020-09-25 05:04:33,525 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 791 transitions. Word has length 279 [2020-09-25 05:04:33,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:33,526 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 791 transitions. [2020-09-25 05:04:33,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:04:33,526 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 791 transitions. [2020-09-25 05:04:33,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 05:04:33,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:33,530 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 05:04:33,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:04:33,531 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:33,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:33,532 INFO L82 PathProgramCache]: Analyzing trace with hash 2052101473, now seen corresponding path program 1 times [2020-09-25 05:04:33,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:33,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582221155] [2020-09-25 05:04:33,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:33,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:34,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:34,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:34,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 05:04:34,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:34,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 994 [2020-09-25 05:04:34,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:34,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-09-25 05:04:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 05:04:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:34,931 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 05:04:34,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:34,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:35,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:35,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 05:04:35,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-25 05:04:35,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:35,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:35,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:35,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 05:04:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:35,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:35,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:35,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:04:35,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:35,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 05:04:35,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:35,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:35,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:35,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:04:35,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:35,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 05:04:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:35,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:35,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:35,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:04:35,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:35,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 05:04:35,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:35,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:35,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:35,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:35,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:04:35,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:35,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:35,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:35,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:35,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:35,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:35,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 05:04:35,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:35,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:35,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:35,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:35,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:35,627 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 05:04:35,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582221155] [2020-09-25 05:04:35,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:35,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:04:35,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161902510] [2020-09-25 05:04:35,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:04:35,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:35,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:04:35,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:04:35,630 INFO L87 Difference]: Start difference. First operand 734 states and 791 transitions. Second operand 5 states. [2020-09-25 05:04:36,767 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 05:04:38,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:38,811 INFO L93 Difference]: Finished difference Result 781 states and 844 transitions. [2020-09-25 05:04:38,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:04:38,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 280 [2020-09-25 05:04:38,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:38,817 INFO L225 Difference]: With dead ends: 781 [2020-09-25 05:04:38,817 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 05:04:38,818 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 05:04:38,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 05:04:38,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 732. [2020-09-25 05:04:38,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-09-25 05:04:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 787 transitions. [2020-09-25 05:04:38,868 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 787 transitions. Word has length 280 [2020-09-25 05:04:38,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:38,869 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 787 transitions. [2020-09-25 05:04:38,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:04:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 787 transitions. [2020-09-25 05:04:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-25 05:04:38,874 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:38,874 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 05:04:38,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:04:38,874 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:38,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:38,875 INFO L82 PathProgramCache]: Analyzing trace with hash -809653957, now seen corresponding path program 1 times [2020-09-25 05:04:38,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:38,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206689984] [2020-09-25 05:04:38,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:39,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:39,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:40,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:40,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-25 05:04:40,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:04:40,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1050 [2020-09-25 05:04:40,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:40,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:40,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:40,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-09-25 05:04:40,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 05:04:40,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:04:40,290 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 05:04:40,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:40,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:40,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:40,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 05:04:40,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:40,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 05:04:40,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:40,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:40,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:40,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:40,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:40,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:40,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 05:04:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:40,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:40,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:40,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:04:40,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:40,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 05:04:40,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:40,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:40,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:40,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:40,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:04:40,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:40,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 05:04:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:40,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:40,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:40,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 05:04:40,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:40,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:04:40,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:40,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:40,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:40,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:40,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 05:04:40,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:40,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:40,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:40,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:40,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:40,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:40,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:04:40,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:40,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:40,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:40,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:40,833 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 05:04:40,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206689984] [2020-09-25 05:04:40,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:40,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:04:40,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871011383] [2020-09-25 05:04:40,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:04:40,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:40,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:04:40,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:04:40,836 INFO L87 Difference]: Start difference. First operand 732 states and 787 transitions. Second operand 5 states. [2020-09-25 05:04:41,942 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 05:04:43,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:43,831 INFO L93 Difference]: Finished difference Result 777 states and 839 transitions. [2020-09-25 05:04:43,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:04:43,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2020-09-25 05:04:43,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:43,839 INFO L225 Difference]: With dead ends: 777 [2020-09-25 05:04:43,839 INFO L226 Difference]: Without dead ends: 760 [2020-09-25 05:04:43,840 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 05:04:43,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-25 05:04:43,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 717. [2020-09-25 05:04:43,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-09-25 05:04:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 770 transitions. [2020-09-25 05:04:43,887 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 770 transitions. Word has length 281 [2020-09-25 05:04:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:43,888 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 770 transitions. [2020-09-25 05:04:43,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:04:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 770 transitions. [2020-09-25 05:04:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-25 05:04:43,894 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:43,895 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 05:04:43,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:04:43,895 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:43,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:43,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1704679464, now seen corresponding path program 1 times [2020-09-25 05:04:43,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:43,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1105355217] [2020-09-25 05:04:43,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:44,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:44,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:44,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:46,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:46,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-25 05:04:46,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:04:46,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2838 [2020-09-25 05:04:46,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:46,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-09-25 05:04:46,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 05:04:46,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:04:47,186 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 05:04:47,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:47,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:47,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:47,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 05:04:47,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-09-25 05:04:47,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:47,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:47,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:47,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:47,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 05:04:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:47,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:47,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:47,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:04:47,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:47,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:04:47,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:47,576 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:47,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:47,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:47,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:47,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:04:47,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-09-25 05:04:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:47,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:47,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:47,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:04:47,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:47,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 05:04:47,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:47,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 05:04:47,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:47,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:47,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:04:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:47,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:47,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:47,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:04:47,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:47,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:04:47,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:47,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:47,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:47,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:47,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:47,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:47,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 05:04:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:47,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:47,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:47,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 05:04:47,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 05:04:47,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:47,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 05:04:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:47,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:04:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:47,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:47,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:47,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:04:47,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:47,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:04:47,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:47,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:47,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:47,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:04:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:47,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:47,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:47,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:47,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:47,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 05:04:47,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:47,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:47,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:47,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:47,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:47,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-25 05:04:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:47,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:47,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:47,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:04:47,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:47,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:04:47,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:47,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:47,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 05:04:47,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:47,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:47,844 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 05:04:47,845 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1105355217] [2020-09-25 05:04:47,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:47,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:04:47,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395749120] [2020-09-25 05:04:47,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:04:47,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:47,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:04:47,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:04:47,848 INFO L87 Difference]: Start difference. First operand 717 states and 770 transitions. Second operand 7 states. [2020-09-25 05:04:48,903 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 05:04:52,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:52,946 INFO L93 Difference]: Finished difference Result 1812 states and 2058 transitions. [2020-09-25 05:04:52,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:04:52,947 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 329 [2020-09-25 05:04:52,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:52,955 INFO L225 Difference]: With dead ends: 1812 [2020-09-25 05:04:52,955 INFO L226 Difference]: Without dead ends: 1347 [2020-09-25 05:04:52,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-25 05:04:52,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2020-09-25 05:04:53,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1049. [2020-09-25 05:04:53,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2020-09-25 05:04:53,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1142 transitions. [2020-09-25 05:04:53,034 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1142 transitions. Word has length 329 [2020-09-25 05:04:53,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:53,035 INFO L479 AbstractCegarLoop]: Abstraction has 1049 states and 1142 transitions. [2020-09-25 05:04:53,035 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:04:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1142 transitions. [2020-09-25 05:04:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-09-25 05:04:53,040 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:04:53,041 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:04:53,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:04:53,041 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:04:53,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:04:53,042 INFO L82 PathProgramCache]: Analyzing trace with hash -80114865, now seen corresponding path program 1 times [2020-09-25 05:04:53,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:04:53,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152399897] [2020-09-25 05:04:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:04:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:53,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:54,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:54,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-09-25 05:04:54,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:54,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1430 [2020-09-25 05:04:54,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:54,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:04:54,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 364 [2020-09-25 05:04:54,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 05:04:54,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:54,982 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 05:04:54,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:04:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 05:04:55,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 201 [2020-09-25 05:04:55,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 05:04:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:04:55,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 05:04:55,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-25 05:04:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 05:04:55,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 05:04:55,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:04:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 05:04:55,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:04:55,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-09-25 05:04:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 05:04:55,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 05:04:55,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:04:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:04:55,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 05:04:55,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:04:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:04:55,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-09-25 05:04:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 05:04:55,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 05:04:55,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:55,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:04:55,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 05:04:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:04:55,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:04:55,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:04:55,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 05:04:55,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:04:55,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:04:55,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:55,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:04:55,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-25 05:04:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:04:55,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:04:55,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:04:55,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 05:04:55,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:04:55,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 05:04:55,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:04:55,612 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 05:04:55,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:04:55,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:04:55,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:04:55,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:04:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-25 05:04:55,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152399897] [2020-09-25 05:04:55,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:04:55,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 05:04:55,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718994971] [2020-09-25 05:04:55,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 05:04:55,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:04:55,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 05:04:55,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:04:55,793 INFO L87 Difference]: Start difference. First operand 1049 states and 1142 transitions. Second operand 7 states. [2020-09-25 05:04:57,591 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 05:04:58,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:04:58,407 INFO L93 Difference]: Finished difference Result 1341 states and 1526 transitions. [2020-09-25 05:04:58,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 05:04:58,408 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 370 [2020-09-25 05:04:58,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:04:58,410 INFO L225 Difference]: With dead ends: 1341 [2020-09-25 05:04:58,410 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:04:58,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 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 05:04:58,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:04:58,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:04:58,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:04:58,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:04:58,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370 [2020-09-25 05:04:58,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:04:58,415 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:04:58,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 05:04:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:04:58,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:04:58,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 05:04:58,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:04:58,583 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:04:58,737 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 05:04:58,893 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 05:04:59,039 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:04:59,190 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 05:04:59,334 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:04:59,565 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 05:04:59,705 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:04:59,853 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 05:04:59,996 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:00,141 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:00,306 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 05:05:00,446 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:00,617 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:00,752 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:00,898 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 05:05:01,034 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 05:05:01,193 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:01,331 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:01,689 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23 [2020-09-25 05:05:02,019 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23 [2020-09-25 05:05:02,157 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:02,294 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:02,485 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:02,625 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 05:05:02,760 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:02,897 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 05:05:03,038 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 05:05:03,175 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 175