/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 --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 interpolation-heuristic=FIRST --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-eb0fd7c [2020-09-21 12:02:15,032 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 12:02:15,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 12:02:15,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 12:02:15,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 12:02:15,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 12:02:15,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 12:02:15,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 12:02:15,073 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 12:02:15,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 12:02:15,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 12:02:15,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 12:02:15,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 12:02:15,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 12:02:15,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 12:02:15,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 12:02:15,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 12:02:15,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 12:02:15,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 12:02:15,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 12:02:15,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 12:02:15,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 12:02:15,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 12:02:15,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 12:02:15,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 12:02:15,110 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 12:02:15,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 12:02:15,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 12:02:15,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 12:02:15,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 12:02:15,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 12:02:15,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 12:02:15,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 12:02:15,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 12:02:15,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 12:02:15,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 12:02:15,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 12:02:15,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 12:02:15,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 12:02:15,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 12:02:15,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 12:02:15,141 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 [2020-09-21 12:02:15,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 12:02:15,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 12:02:15,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 12:02:15,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 12:02:15,194 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 12:02:15,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 12:02:15,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 12:02:15,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 12:02:15,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 12:02:15,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 12:02:15,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 12:02:15,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 12:02:15,197 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 12:02:15,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 12:02:15,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 12:02:15,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 12:02:15,198 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 12:02:15,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 12:02:15,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 12:02:15,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 12:02:15,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 12:02:15,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 12:02:15,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 12:02:15,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 12:02:15,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 12:02:15,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 12:02:15,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-21 12:02:15,201 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 12:02:15,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 12:02:15,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 12:02:15,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 12:02:15,719 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 12:02:15,719 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 12:02:15,720 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-21 12:02:15,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e48fbcad7/788a2afd68164bea9693fb137019d313/FLAG2eba2a1d8 [2020-09-21 12:02:16,553 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 12:02:16,554 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-21 12:02:16,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e48fbcad7/788a2afd68164bea9693fb137019d313/FLAG2eba2a1d8 [2020-09-21 12:02:16,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e48fbcad7/788a2afd68164bea9693fb137019d313 [2020-09-21 12:02:16,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 12:02:16,701 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 12:02:16,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 12:02:16,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 12:02:16,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 12:02:16,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:02:16" (1/1) ... [2020-09-21 12:02:16,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780fc4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:16, skipping insertion in model container [2020-09-21 12:02:16,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:02:16" (1/1) ... [2020-09-21 12:02:16,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 12:02:16,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 12:02:17,982 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:02:18,022 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 12:02:18,205 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 12:02:18,357 INFO L208 MainTranslator]: Completed translation [2020-09-21 12:02:18,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:18 WrapperNode [2020-09-21 12:02:18,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 12:02:18,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 12:02:18,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 12:02:18,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 12:02:18,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:18" (1/1) ... [2020-09-21 12:02:18,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:18" (1/1) ... [2020-09-21 12:02:18,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:18" (1/1) ... [2020-09-21 12:02:18,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:18" (1/1) ... [2020-09-21 12:02:18,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:18" (1/1) ... [2020-09-21 12:02:18,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:18" (1/1) ... [2020-09-21 12:02:18,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:18" (1/1) ... [2020-09-21 12:02:18,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 12:02:18,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 12:02:18,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 12:02:18,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 12:02:18,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:18" (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 [2020-09-21 12:02:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 12:02:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 12:02:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-21 12:02:18,713 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-21 12:02:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-21 12:02:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-09-21 12:02:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-09-21 12:02:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-09-21 12:02:18,714 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-09-21 12:02:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-09-21 12:02:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-09-21 12:02:18,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-09-21 12:02:18,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-09-21 12:02:18,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-09-21 12:02:18,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-09-21 12:02:18,716 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 12:02:18,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-21 12:02:18,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-21 12:02:18,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-21 12:02:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-21 12:02:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-21 12:02:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-21 12:02:18,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-21 12:02:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-09-21 12:02:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-21 12:02:18,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-09-21 12:02:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-09-21 12:02:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-21 12:02:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-21 12:02:18,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-21 12:02:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-21 12:02:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-21 12:02:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-21 12:02:18,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-21 12:02:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-21 12:02:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-21 12:02:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-21 12:02:18,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-21 12:02:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-21 12:02:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-21 12:02:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-21 12:02:18,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-21 12:02:18,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-21 12:02:18,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-21 12:02:18,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-21 12:02:18,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-21 12:02:18,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-21 12:02:18,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-21 12:02:18,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-21 12:02:18,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-21 12:02:18,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-21 12:02:18,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-21 12:02:18,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-21 12:02:18,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-21 12:02:18,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-21 12:02:18,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-21 12:02:18,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-21 12:02:18,729 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-21 12:02:18,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-21 12:02:18,730 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-09-21 12:02:18,730 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-09-21 12:02:18,731 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-09-21 12:02:18,731 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-09-21 12:02:18,731 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-09-21 12:02:18,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-21 12:02:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-21 12:02:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-21 12:02:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-09-21 12:02:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-09-21 12:02:18,732 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-09-21 12:02:18,733 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-09-21 12:02:18,733 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-09-21 12:02:18,733 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-21 12:02:18,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 12:02:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-21 12:02:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-21 12:02:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-21 12:02:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-21 12:02:18,734 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-21 12:02:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-21 12:02:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-21 12:02:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-21 12:02:18,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-21 12:02:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-21 12:02:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-21 12:02:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-09-21 12:02:18,736 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-21 12:02:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-21 12:02:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-21 12:02:18,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-21 12:02:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-09-21 12:02:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-09-21 12:02:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-21 12:02:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-21 12:02:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-21 12:02:18,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-21 12:02:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-21 12:02:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-21 12:02:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-21 12:02:18,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 12:02:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-09-21 12:02:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-21 12:02:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-21 12:02:18,741 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-21 12:02:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-09-21 12:02:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-09-21 12:02:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-09-21 12:02:18,742 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-09-21 12:02:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-09-21 12:02:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-09-21 12:02:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-09-21 12:02:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-09-21 12:02:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-09-21 12:02:18,743 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-09-21 12:02:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-09-21 12:02:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-09-21 12:02:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-21 12:02:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 12:02:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-09-21 12:02:18,744 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-09-21 12:02:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 12:02:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-09-21 12:02:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-09-21 12:02:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 12:02:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 12:02:18,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 12:02:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-09-21 12:02:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-09-21 12:02:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-09-21 12:02:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-21 12:02:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-21 12:02:18,746 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 12:02:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-21 12:02:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-21 12:02:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-21 12:02:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-21 12:02:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-21 12:02:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-21 12:02:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-21 12:02:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-21 12:02:18,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-21 12:02:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-21 12:02:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-21 12:02:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-21 12:02:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-21 12:02:18,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-21 12:02:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-21 12:02:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-21 12:02:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-21 12:02:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-21 12:02:18,750 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 12:02:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-21 12:02:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-21 12:02:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-21 12:02:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 12:02:18,751 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 12:02:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-21 12:02:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 12:02:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 12:02:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-21 12:02:18,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 12:02:18,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 12:02:20,765 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 12:02:20,765 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-21 12:02:20,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:02:20 BoogieIcfgContainer [2020-09-21 12:02:20,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 12:02:20,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 12:02:20,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 12:02:20,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 12:02:20,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 12:02:16" (1/3) ... [2020-09-21 12:02:20,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed14ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:02:20, skipping insertion in model container [2020-09-21 12:02:20,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:02:18" (2/3) ... [2020-09-21 12:02:20,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ed14ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 12:02:20, skipping insertion in model container [2020-09-21 12:02:20,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:02:20" (3/3) ... [2020-09-21 12:02:20,795 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-21 12:02:20,808 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 12:02:20,821 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 12:02:20,845 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 12:02:20,880 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 12:02:20,880 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 12:02:20,881 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 12:02:20,881 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 12:02:20,881 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 12:02:20,881 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 12:02:20,881 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 12:02:20,882 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 12:02:20,947 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states. [2020-09-21 12:02:20,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-09-21 12:02:20,962 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:02:20,964 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] [2020-09-21 12:02:20,964 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:02:20,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:02:20,976 INFO L82 PathProgramCache]: Analyzing trace with hash 918442567, now seen corresponding path program 1 times [2020-09-21 12:02:20,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:02:20,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [858866106] [2020-09-21 12:02:20,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:02:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:21,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:21,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:21,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:21,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:21,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-09-21 12:02:21,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:21,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-21 12:02:21,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:02:21,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 12:02:21,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:21,871 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-21 12:02:21,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:21,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:21,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:21,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:21,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:21,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:21,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:21,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:21,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:21,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:21,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:21,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:21,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:21,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:21,974 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:21,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:21,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:21,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:21,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:21,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:21,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:21,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:21,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-09-21 12:02:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:21,987 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:21,987 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:21,987 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:21,988 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:21,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-21 12:02:21,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:21,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:21,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:21,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:21,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-21 12:02:21,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:21,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:21,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:21,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:21,998 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:21,998 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:21,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:21,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:21,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:21,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:21,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:21,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:22,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:22,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:02:22,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [858866106] [2020-09-21 12:02:22,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:02:22,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:02:22,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837294483] [2020-09-21 12:02:22,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:02:22,032 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:02:22,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:02:22,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:02:22,054 INFO L87 Difference]: Start difference. First operand 397 states. Second operand 5 states. [2020-09-21 12:02:22,408 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-21 12:02:25,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:02:25,638 INFO L93 Difference]: Finished difference Result 873 states and 1132 transitions. [2020-09-21 12:02:25,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 12:02:25,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-09-21 12:02:25,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:02:25,664 INFO L225 Difference]: With dead ends: 873 [2020-09-21 12:02:25,665 INFO L226 Difference]: Without dead ends: 585 [2020-09-21 12:02:25,673 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 [2020-09-21 12:02:25,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-09-21 12:02:25,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 523. [2020-09-21 12:02:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2020-09-21 12:02:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 637 transitions. [2020-09-21 12:02:25,847 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 637 transitions. Word has length 29 [2020-09-21 12:02:25,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:02:25,848 INFO L479 AbstractCegarLoop]: Abstraction has 523 states and 637 transitions. [2020-09-21 12:02:25,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:02:25,848 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 637 transitions. [2020-09-21 12:02:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-21 12:02:25,851 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:02:25,852 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] [2020-09-21 12:02:25,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 12:02:25,852 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:02:25,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:02:25,853 INFO L82 PathProgramCache]: Analyzing trace with hash -248406404, now seen corresponding path program 1 times [2020-09-21 12:02:25,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:02:25,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [342278679] [2020-09-21 12:02:25,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:02:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:25,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:25,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:25,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:25,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:25,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-21 12:02:25,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:25,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:25,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:25,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:25,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 12:02:25,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-21 12:02:25,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:26,321 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-21 12:02:26,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:26,339 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:26,339 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:26,339 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:26,340 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:26,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:26,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:26,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:26,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:26,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:26,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:26,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:26,411 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:26,411 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:26,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:26,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:26,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:26,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:26,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:26,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:26,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:02:26,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:26,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:02:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:26,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:26,428 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:26,428 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:26,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:26,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:02:26,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:26,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:26,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:26,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:02:26,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:26,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:26,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:26,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:26,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:26,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:26,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:26,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:26,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:26,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:26,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:02:26,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [342278679] [2020-09-21 12:02:26,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:02:26,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:02:26,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638564846] [2020-09-21 12:02:26,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:02:26,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:02:26,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:02:26,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:02:26,459 INFO L87 Difference]: Start difference. First operand 523 states and 637 transitions. Second operand 5 states. [2020-09-21 12:02:26,841 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-21 12:02:28,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:02:28,623 INFO L93 Difference]: Finished difference Result 583 states and 712 transitions. [2020-09-21 12:02:28,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:02:28,624 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-09-21 12:02:28,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:02:28,634 INFO L225 Difference]: With dead ends: 583 [2020-09-21 12:02:28,634 INFO L226 Difference]: Without dead ends: 580 [2020-09-21 12:02:28,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:02:28,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2020-09-21 12:02:28,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 522. [2020-09-21 12:02:28,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2020-09-21 12:02:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 635 transitions. [2020-09-21 12:02:28,770 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 635 transitions. Word has length 34 [2020-09-21 12:02:28,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:02:28,771 INFO L479 AbstractCegarLoop]: Abstraction has 522 states and 635 transitions. [2020-09-21 12:02:28,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:02:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 635 transitions. [2020-09-21 12:02:28,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-21 12:02:28,773 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:02:28,773 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] [2020-09-21 12:02:28,774 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 12:02:28,774 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:02:28,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:02:28,774 INFO L82 PathProgramCache]: Analyzing trace with hash 889050132, now seen corresponding path program 1 times [2020-09-21 12:02:28,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:02:28,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [197329284] [2020-09-21 12:02:28,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:02:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:28,842 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:28,843 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:28,843 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:28,843 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:28,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-09-21 12:02:28,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:28,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:28,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 12:02:28,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-09-21 12:02:28,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:29,143 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-21 12:02:29,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:29,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:29,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:29,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:29,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:29,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:29,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:29,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 12:02:29,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:29,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:29,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:29,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:29,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:29,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:29,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:29,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:29,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:29,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:29,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:29,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:29,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:29,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:29,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:29,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:02:29,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:29,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:02:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:29,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:29,330 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:29,330 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:29,330 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:29,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:02:29,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:29,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:29,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:29,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:29,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:29,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:02:29,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:29,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:29,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:29,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:29,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:29,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:29,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:29,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:29,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:29,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:29,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:29,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:02:29,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [197329284] [2020-09-21 12:02:29,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:02:29,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:02:29,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245944604] [2020-09-21 12:02:29,360 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:02:29,360 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:02:29,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:02:29,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:02:29,360 INFO L87 Difference]: Start difference. First operand 522 states and 635 transitions. Second operand 5 states. [2020-09-21 12:02:29,764 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-21 12:02:31,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:02:31,516 INFO L93 Difference]: Finished difference Result 582 states and 710 transitions. [2020-09-21 12:02:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:02:31,516 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2020-09-21 12:02:31,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:02:31,523 INFO L225 Difference]: With dead ends: 582 [2020-09-21 12:02:31,523 INFO L226 Difference]: Without dead ends: 579 [2020-09-21 12:02:31,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:02:31,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2020-09-21 12:02:31,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 521. [2020-09-21 12:02:31,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2020-09-21 12:02:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 633 transitions. [2020-09-21 12:02:31,617 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 633 transitions. Word has length 35 [2020-09-21 12:02:31,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:02:31,617 INFO L479 AbstractCegarLoop]: Abstraction has 521 states and 633 transitions. [2020-09-21 12:02:31,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:02:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 633 transitions. [2020-09-21 12:02:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-09-21 12:02:31,620 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:02:31,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:02:31,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 12:02:31,621 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:02:31,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:02:31,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1790469247, now seen corresponding path program 1 times [2020-09-21 12:02:31,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:02:31,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762869607] [2020-09-21 12:02:31,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:02:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:31,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:31,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:31,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:31,696 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:31,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-21 12:02:31,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:31,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:31,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 12:02:31,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-21 12:02:31,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:31,983 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-21 12:02:31,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:31,994 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:31,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:31,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:31,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:31,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:31,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:31,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:31,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:31,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:31,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:31,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:32,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:32,068 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:32,069 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:32,069 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:32,069 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:32,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:32,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:32,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:32,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:32,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:02:32,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:32,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:02:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:32,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:32,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:32,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:32,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:32,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:02:32,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:32,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:32,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:32,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:02:32,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:32,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:32,096 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:32,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:32,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:32,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:32,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:32,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:32,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:32,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:32,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:32,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:32,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:02:32,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762869607] [2020-09-21 12:02:32,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:02:32,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:02:32,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285887684] [2020-09-21 12:02:32,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:02:32,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:02:32,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:02:32,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:02:32,112 INFO L87 Difference]: Start difference. First operand 521 states and 633 transitions. Second operand 5 states. [2020-09-21 12:02:32,534 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-21 12:02:34,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:02:34,272 INFO L93 Difference]: Finished difference Result 583 states and 709 transitions. [2020-09-21 12:02:34,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:02:34,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2020-09-21 12:02:34,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:02:34,277 INFO L225 Difference]: With dead ends: 583 [2020-09-21 12:02:34,277 INFO L226 Difference]: Without dead ends: 579 [2020-09-21 12:02:34,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:02:34,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2020-09-21 12:02:34,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 519. [2020-09-21 12:02:34,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2020-09-21 12:02:34,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 628 transitions. [2020-09-21 12:02:34,360 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 628 transitions. Word has length 36 [2020-09-21 12:02:34,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:02:34,360 INFO L479 AbstractCegarLoop]: Abstraction has 519 states and 628 transitions. [2020-09-21 12:02:34,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:02:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 628 transitions. [2020-09-21 12:02:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-09-21 12:02:34,362 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:02:34,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 12:02:34,363 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 12:02:34,363 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:02:34,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:02:34,363 INFO L82 PathProgramCache]: Analyzing trace with hash -330304393, now seen corresponding path program 1 times [2020-09-21 12:02:34,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:02:34,364 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591882459] [2020-09-21 12:02:34,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:02:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:34,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:34,430 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:34,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:34,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:34,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-09-21 12:02:34,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:34,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:34,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 12:02:34,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-09-21 12:02:34,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:34,777 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-21 12:02:34,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:34,793 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:34,794 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:34,794 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:34,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:34,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:34,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:34,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:02:34,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:34,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:34,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:34,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:34,886 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:34,886 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:34,886 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:34,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:34,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:34,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:34,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:34,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:34,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 12:02:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:34,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:02:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:34,903 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:34,903 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:34,903 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:34,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:34,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:02:34,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:34,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-21 12:02:34,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:34,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:34,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:34,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 12:02:34,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:34,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:34,933 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:34,933 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:34,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:34,934 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:34,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:34,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:34,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 12:02:34,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:34,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:34,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:34,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:02:34,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591882459] [2020-09-21 12:02:34,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:02:34,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 12:02:34,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463020968] [2020-09-21 12:02:34,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 12:02:34,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:02:34,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 12:02:34,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 12:02:34,953 INFO L87 Difference]: Start difference. First operand 519 states and 628 transitions. Second operand 5 states. [2020-09-21 12:02:35,320 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-21 12:02:37,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:02:37,017 INFO L93 Difference]: Finished difference Result 579 states and 703 transitions. [2020-09-21 12:02:37,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-21 12:02:37,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2020-09-21 12:02:37,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:02:37,022 INFO L225 Difference]: With dead ends: 579 [2020-09-21 12:02:37,022 INFO L226 Difference]: Without dead ends: 563 [2020-09-21 12:02:37,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:02:37,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-09-21 12:02:37,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 265. [2020-09-21 12:02:37,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-09-21 12:02:37,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 318 transitions. [2020-09-21 12:02:37,071 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 318 transitions. Word has length 37 [2020-09-21 12:02:37,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:02:37,071 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 318 transitions. [2020-09-21 12:02:37,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 12:02:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 318 transitions. [2020-09-21 12:02:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-09-21 12:02:37,074 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:02:37,074 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] [2020-09-21 12:02:37,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 12:02:37,074 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:02:37,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:02:37,075 INFO L82 PathProgramCache]: Analyzing trace with hash -429777367, now seen corresponding path program 1 times [2020-09-21 12:02:37,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:02:37,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607428768] [2020-09-21 12:02:37,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:02:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:37,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:37,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:37,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:37,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:37,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-09-21 12:02:37,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:37,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 12:02:37,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-21 12:02:37,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 12:02:37,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:37,449 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-21 12:02:37,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:37,460 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:37,460 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:37,460 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:37,460 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:37,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:37,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:37,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:37,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:37,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:37,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:37,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:37,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:37,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:37,540 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:37,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:37,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:37,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:37,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:37,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:37,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:37,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:37,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:37,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:37,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:37,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:37,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 12:02:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:37,566 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:37,567 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:37,567 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:37,567 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:37,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:02:37,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:37,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:37,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-21 12:02:37,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:37,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:37,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:37,579 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:37,579 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:37,579 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:37,580 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:37,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:02:37,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:37,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:37,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:37,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:37,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:37,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 12:02:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:37,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:37,601 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:37,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:37,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:37,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 12:02:37,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:37,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:37,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:37,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:37,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-21 12:02:37,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:37,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:37,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:37,613 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:37,613 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:37,614 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:37,614 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:37,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:02:37,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:37,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:37,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:37,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:37,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:37,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:02:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:37,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:37,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:37,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:37,624 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:37,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:37,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:37,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:37,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:37,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:37,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:37,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:37,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:37,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 12:02:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:37,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:37,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:37,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:37,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:37,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:37,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:37,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:37,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 12:02:37,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:37,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:37,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 12:02:37,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607428768] [2020-09-21 12:02:37,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:02:37,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:02:37,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274907936] [2020-09-21 12:02:37,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:02:37,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:02:37,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:02:37,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:02:37,652 INFO L87 Difference]: Start difference. First operand 265 states and 318 transitions. Second operand 7 states. [2020-09-21 12:02:38,000 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-21 12:02:41,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:02:41,396 INFO L93 Difference]: Finished difference Result 835 states and 1063 transitions. [2020-09-21 12:02:41,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 12:02:41,396 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2020-09-21 12:02:41,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:02:41,401 INFO L225 Difference]: With dead ends: 835 [2020-09-21 12:02:41,401 INFO L226 Difference]: Without dead ends: 581 [2020-09-21 12:02:41,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-09-21 12:02:41,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-09-21 12:02:41,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 424. [2020-09-21 12:02:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-09-21 12:02:41,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 511 transitions. [2020-09-21 12:02:41,464 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 511 transitions. Word has length 61 [2020-09-21 12:02:41,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:02:41,465 INFO L479 AbstractCegarLoop]: Abstraction has 424 states and 511 transitions. [2020-09-21 12:02:41,465 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:02:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 511 transitions. [2020-09-21 12:02:41,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-09-21 12:02:41,467 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 12:02:41,468 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 12:02:41,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 12:02:41,468 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 12:02:41,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 12:02:41,469 INFO L82 PathProgramCache]: Analyzing trace with hash -995424080, now seen corresponding path program 1 times [2020-09-21 12:02:41,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 12:02:41,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767068380] [2020-09-21 12:02:41,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 12:02:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:41,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:41,560 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:41,560 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:41,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:41,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-09-21 12:02:41,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:41,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-21 12:02:41,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-21 12:02:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-21 12:02:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-21 12:02:41,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:41,937 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-21 12:02:41,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 12:02:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:41,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:41,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:41,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:41,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:41,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:41,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:41,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:41,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:41,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:42,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 12:02:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:42,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:42,048 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:42,048 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:42,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:42,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:42,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:42,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:42,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:42,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:42,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:42,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:42,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 12:02:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:42,063 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:42,063 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:42,063 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:42,064 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:42,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 12:02:42,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:42,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:42,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:42,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:42,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:42,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:42,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:42,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:42,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:42,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:42,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:42,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:42,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:42,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:42,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:42,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:42,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:42,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:42,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:42,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 12:02:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:42,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:42,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:42,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:42,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:42,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 12:02:42,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:42,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:42,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:42,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:42,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:42,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:42,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:42,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:42,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:42,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:42,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:42,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:42,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 12:02:42,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:42,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:42,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 12:02:42,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:42,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 12:02:42,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:42,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 12:02:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:42,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:42,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:42,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:42,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:42,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-21 12:02:42,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:42,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:42,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:42,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 12:02:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:42,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 12:02:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:42,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:42,172 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:42,172 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:42,172 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:42,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-21 12:02:42,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:42,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 12:02:42,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:42,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 12:02:42,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:42,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-21 12:02:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:42,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:42,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:42,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:42,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:42,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:42,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:42,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:42,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:42,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:42,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:42,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:02:42,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 12:02:42,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-09-21 12:02:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 12:02:42,205 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 12:02:42,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 12:02:42,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 12:02:42,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 12:02:42,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 12:02:42,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 12:02:42,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 12:02:42,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 12:02:42,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 12:02:42,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 12:02:42,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 12:02:42,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 12:02:42,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 12:02:42,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767068380] [2020-09-21 12:02:42,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 12:02:42,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 12:02:42,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072392063] [2020-09-21 12:02:42,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 12:02:42,229 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 12:02:42,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 12:02:42,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-21 12:02:42,229 INFO L87 Difference]: Start difference. First operand 424 states and 511 transitions. Second operand 7 states. [2020-09-21 12:02:43,787 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-21 12:02:44,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 12:02:44,236 INFO L93 Difference]: Finished difference Result 581 states and 754 transitions. [2020-09-21 12:02:44,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-21 12:02:44,238 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2020-09-21 12:02:44,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 12:02:44,239 INFO L225 Difference]: With dead ends: 581 [2020-09-21 12:02:44,239 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 12:02:44,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-09-21 12:02:44,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 12:02:44,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 12:02:44,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 12:02:44,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 12:02:44,245 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2020-09-21 12:02:44,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 12:02:44,245 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 12:02:44,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 12:02:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 12:02:44,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 12:02:44,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 12:02:44,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 12:02:44,635 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:45,000 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:45,348 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:45,686 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:46,023 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:46,339 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:46,797 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:47,106 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:47,402 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:47,687 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:47,974 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:48,262 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:48,542 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:48,884 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:49,166 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:49,465 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-21 12:02:49,772 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-21 12:02:50,086 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:50,375 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:51,097 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 70 [2020-09-21 12:02:51,782 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 70 [2020-09-21 12:02:52,062 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:52,346 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:52,559 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-21 12:02:52,847 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:53,127 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:53,415 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:53,696 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:53,984 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-21 12:02:54,273 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-21 12:02:54,560 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:54,843 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:54,969 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-09-21 12:02:55,588 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 70 [2020-09-21 12:02:56,217 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 70 [2020-09-21 12:02:56,852 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 26 [2020-09-21 12:02:57,472 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 26 [2020-09-21 12:02:57,607 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-21 12:02:57,886 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:58,165 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:58,449 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:58,735 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:59,014 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:59,294 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:02:59,588 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:02:59,867 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:00,160 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-21 12:03:00,447 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-21 12:03:00,750 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:01,029 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:01,308 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:01,594 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:01,874 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:02,160 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:02,441 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:02,726 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:02,858 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-09-21 12:03:03,136 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:03,414 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:03,540 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-09-21 12:03:03,871 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:04,150 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:04,430 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:04,728 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:05,007 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:05,296 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:05,584 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:05,866 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:06,145 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:06,432 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:06,739 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:07,026 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:07,200 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-09-21 12:03:07,339 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-21 12:03:07,673 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-21 12:03:07,965 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-21 12:03:08,580 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 70 [2020-09-21 12:03:09,194 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 70 [2020-09-21 12:03:09,815 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 26 [2020-09-21 12:03:10,437 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 26 [2020-09-21 12:03:11,050 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 70 [2020-09-21 12:03:11,679 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 70 [2020-09-21 12:03:12,308 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 26 [2020-09-21 12:03:12,928 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 26 [2020-09-21 12:03:13,252 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:13,533 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:13,819 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:14,098 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:14,383 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:14,661 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:14,947 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:15,225 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:15,516 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:15,796 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:15,932 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-21 12:03:16,218 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:16,507 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:16,786 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-21 12:03:17,073 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 177 [2020-09-21 12:03:17,249 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2020-09-21 12:03:17,388 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-21 12:03:17,527 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-21 12:03:17,670 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 177