/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:25:23,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:25:23,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:25:23,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:25:23,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:25:23,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:25:23,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:25:23,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:25:23,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:25:23,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:25:23,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:25:23,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:25:23,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:25:23,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:25:23,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:25:23,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:25:23,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:25:23,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:25:23,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:25:23,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:25:23,811 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:25:23,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:25:23,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:25:23,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:25:23,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:25:23,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:25:23,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:25:23,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:25:23,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:25:23,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:25:23,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:25:23,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:25:23,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:25:23,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:25:23,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:25:23,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:25:23,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:25:23,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:25:23,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:25:23,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:25:23,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:25:23,834 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 [2020-09-24 23:25:23,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:25:23,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:25:23,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:25:23,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:25:23,884 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:25:23,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:25:23,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:25:23,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:25:23,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:25:23,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:25:23,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:25:23,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:25:23,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:25:23,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:25:23,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:25:23,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:25:23,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:25:23,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:25:23,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:25:23,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:25:23,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:25:23,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:25:23,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:25:23,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:25:23,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:25:23,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:25:23,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 23:25:23,890 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true; [2020-09-24 23:25:24,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:25:24,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:25:24,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:25:24,404 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:25:24,405 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:25:24,406 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-24 23:25:24,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/198a6a2f2/9579f63ab1cf43dcb09985faa52149f7/FLAGae3eeb09f [2020-09-24 23:25:25,307 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:25:25,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-24 23:25:25,347 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/198a6a2f2/9579f63ab1cf43dcb09985faa52149f7/FLAGae3eeb09f [2020-09-24 23:25:25,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/198a6a2f2/9579f63ab1cf43dcb09985faa52149f7 [2020-09-24 23:25:25,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:25:25,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:25:25,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:25:25,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:25:25,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:25:25,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:25:25" (1/1) ... [2020-09-24 23:25:25,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597ede07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:25, skipping insertion in model container [2020-09-24 23:25:25,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:25:25" (1/1) ... [2020-09-24 23:25:25,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:25:25,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:25:26,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:25:26,709 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:25:26,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:25:27,027 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:25:27,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:27 WrapperNode [2020-09-24 23:25:27,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:25:27,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:25:27,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:25:27,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:25:27,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:27" (1/1) ... [2020-09-24 23:25:27,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:27" (1/1) ... [2020-09-24 23:25:27,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:27" (1/1) ... [2020-09-24 23:25:27,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:27" (1/1) ... [2020-09-24 23:25:27,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:27" (1/1) ... [2020-09-24 23:25:27,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:27" (1/1) ... [2020-09-24 23:25:27,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:27" (1/1) ... [2020-09-24 23:25:27,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:25:27,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:25:27,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:25:27,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:25:27,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:27" (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 [2020-09-24 23:25:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:25:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:25:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-24 23:25:27,367 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-24 23:25:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-24 23:25:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-09-24 23:25:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-09-24 23:25:27,368 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-09-24 23:25:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-09-24 23:25:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-09-24 23:25:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-09-24 23:25:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-09-24 23:25:27,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-09-24 23:25:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-09-24 23:25:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-09-24 23:25:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:25:27,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-24 23:25:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-24 23:25:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-24 23:25:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-24 23:25:27,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-24 23:25:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-24 23:25:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-24 23:25:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-09-24 23:25:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-24 23:25:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-09-24 23:25:27,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-09-24 23:25:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 23:25:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 23:25:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 23:25:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-24 23:25:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-24 23:25:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-24 23:25:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-24 23:25:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-24 23:25:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-24 23:25:27,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-24 23:25:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-24 23:25:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-24 23:25:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-24 23:25:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-24 23:25:27,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-24 23:25:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-24 23:25:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-24 23:25:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-24 23:25:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-24 23:25:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-24 23:25:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-24 23:25:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-24 23:25:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-24 23:25:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-24 23:25:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 23:25:27,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 23:25:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-24 23:25:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-24 23:25:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 23:25:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 23:25:27,379 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 23:25:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 23:25:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-09-24 23:25:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-09-24 23:25:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-09-24 23:25:27,380 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-09-24 23:25:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-09-24 23:25:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-24 23:25:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-24 23:25:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-24 23:25:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-09-24 23:25:27,381 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-09-24 23:25:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-09-24 23:25:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-09-24 23:25:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-09-24 23:25:27,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 23:25:27,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:25:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 23:25:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-24 23:25:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-24 23:25:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-24 23:25:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-24 23:25:27,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-24 23:25:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-24 23:25:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-24 23:25:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-24 23:25:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-24 23:25:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-24 23:25:27,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-09-24 23:25:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-24 23:25:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-24 23:25:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-24 23:25:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-24 23:25:27,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-09-24 23:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-09-24 23:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-24 23:25:27,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-24 23:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-24 23:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-24 23:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-24 23:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-24 23:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-24 23:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:25:27,387 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-09-24 23:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 23:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 23:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-24 23:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-09-24 23:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-09-24 23:25:27,388 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-09-24 23:25:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-09-24 23:25:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-09-24 23:25:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-09-24 23:25:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-09-24 23:25:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-09-24 23:25:27,389 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-09-24 23:25:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-09-24 23:25:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-09-24 23:25:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-09-24 23:25:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-24 23:25:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:25:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-09-24 23:25:27,390 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-09-24 23:25:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:25:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-09-24 23:25:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-09-24 23:25:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:25:27,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:25:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:25:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-09-24 23:25:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-09-24 23:25:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-09-24 23:25:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 23:25:27,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 23:25:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:25:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 23:25:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 23:25:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-24 23:25:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-24 23:25:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-24 23:25:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-24 23:25:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-24 23:25:27,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-24 23:25:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-24 23:25:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-24 23:25:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-24 23:25:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-24 23:25:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-24 23:25:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-24 23:25:27,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-24 23:25:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-24 23:25:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-24 23:25:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-24 23:25:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:25:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 23:25:27,396 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 23:25:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 23:25:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:25:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:25:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 23:25:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:25:27,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:25:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 23:25:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:25:27,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:25:29,318 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:25:29,318 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 23:25:29,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:25:29 BoogieIcfgContainer [2020-09-24 23:25:29,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:25:29,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:25:29,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:25:29,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:25:29,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:25:25" (1/3) ... [2020-09-24 23:25:29,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176f785a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:25:29, skipping insertion in model container [2020-09-24 23:25:29,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:25:27" (2/3) ... [2020-09-24 23:25:29,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@176f785a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:25:29, skipping insertion in model container [2020-09-24 23:25:29,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:25:29" (3/3) ... [2020-09-24 23:25:29,338 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-24 23:25:29,350 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:25:29,361 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:25:29,385 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:25:29,425 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:25:29,425 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:25:29,426 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:25:29,426 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:25:29,426 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:25:29,426 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:25:29,426 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:25:29,426 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:25:29,466 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states. [2020-09-24 23:25:29,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-24 23:25:29,489 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:25:29,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:25:29,491 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:25:29,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:25:29,499 INFO L82 PathProgramCache]: Analyzing trace with hash -945339618, now seen corresponding path program 1 times [2020-09-24 23:25:29,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:25:29,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748781385] [2020-09-24 23:25:29,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:25:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:30,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:30,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:31,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:31,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-24 23:25:31,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:25:31,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1566 [2020-09-24 23:25:31,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 258 [2020-09-24 23:25:31,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-24 23:25:31,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 23:25:31,997 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-24 23:25:31,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:25:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:32,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:32,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:32,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-24 23:25:32,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:32,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-24 23:25:32,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:32,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:32,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:32,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:32,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:32,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 23:25:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:32,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:32,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:32,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:25:32,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:32,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 23:25:32,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:32,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:32,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:32,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:32,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:25:32,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-24 23:25:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:32,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:32,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:32,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 23:25:32,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:32,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 23:25:32,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:32,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:25:32,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:32,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:25:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:25:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:32,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:32,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:32,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:25:32,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:32,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:25:32,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:32,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:32,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:32,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:25:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:25:32,605 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748781385] [2020-09-24 23:25:32,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:25:32,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:25:32,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189746164] [2020-09-24 23:25:32,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:25:32,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:25:32,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:25:32,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:25:32,641 INFO L87 Difference]: Start difference. First operand 934 states. Second operand 5 states. [2020-09-24 23:25:33,781 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-24 23:25:37,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:25:37,758 INFO L93 Difference]: Finished difference Result 1768 states and 2027 transitions. [2020-09-24 23:25:37,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 23:25:37,767 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-09-24 23:25:37,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:25:37,805 INFO L225 Difference]: With dead ends: 1768 [2020-09-24 23:25:37,806 INFO L226 Difference]: Without dead ends: 1265 [2020-09-24 23:25:37,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:25:37,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2020-09-24 23:25:38,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1174. [2020-09-24 23:25:38,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1174 states. [2020-09-24 23:25:38,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1288 transitions. [2020-09-24 23:25:38,026 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1288 transitions. Word has length 278 [2020-09-24 23:25:38,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:25:38,028 INFO L479 AbstractCegarLoop]: Abstraction has 1174 states and 1288 transitions. [2020-09-24 23:25:38,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:25:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1288 transitions. [2020-09-24 23:25:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-09-24 23:25:38,036 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:25:38,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:25:38,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:25:38,037 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:25:38,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:25:38,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1212320878, now seen corresponding path program 1 times [2020-09-24 23:25:38,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:25:38,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141808745] [2020-09-24 23:25:38,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:25:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:38,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:38,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:38,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-09-24 23:25:38,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 633 [2020-09-24 23:25:38,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:38,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:38,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-09-24 23:25:38,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 23:25:38,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:25:39,135 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-24 23:25:39,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:25:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:39,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:39,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:39,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-24 23:25:39,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:39,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 237 [2020-09-24 23:25:39,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:39,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:39,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:25:39,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 23:25:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:39,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:39,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:39,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:25:39,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:39,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 23:25:39,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:39,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:39,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:39,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 23:25:39,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:39,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-24 23:25:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:39,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:39,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:25:39,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:39,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-24 23:25:39,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:39,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 23:25:39,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:39,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:25:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:39,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:39,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 23:25:39,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:39,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-24 23:25:39,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:39,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:39,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:39,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:39,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:25:39,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141808745] [2020-09-24 23:25:39,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:25:39,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:25:39,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92830858] [2020-09-24 23:25:39,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:25:39,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:25:39,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:25:39,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:25:39,834 INFO L87 Difference]: Start difference. First operand 1174 states and 1288 transitions. Second operand 5 states. [2020-09-24 23:25:41,201 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-24 23:25:43,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:25:43,225 INFO L93 Difference]: Finished difference Result 1262 states and 1391 transitions. [2020-09-24 23:25:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 23:25:43,225 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 294 [2020-09-24 23:25:43,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:25:43,235 INFO L225 Difference]: With dead ends: 1262 [2020-09-24 23:25:43,235 INFO L226 Difference]: Without dead ends: 1259 [2020-09-24 23:25:43,237 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 [2020-09-24 23:25:43,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2020-09-24 23:25:43,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1173. [2020-09-24 23:25:43,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1173 states. [2020-09-24 23:25:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1286 transitions. [2020-09-24 23:25:43,328 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1286 transitions. Word has length 294 [2020-09-24 23:25:43,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:25:43,329 INFO L479 AbstractCegarLoop]: Abstraction has 1173 states and 1286 transitions. [2020-09-24 23:25:43,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:25:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1286 transitions. [2020-09-24 23:25:43,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-09-24 23:25:43,334 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:25:43,335 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:25:43,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:25:43,335 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:25:43,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:25:43,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1073058360, now seen corresponding path program 1 times [2020-09-24 23:25:43,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:25:43,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907260164] [2020-09-24 23:25:43,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:25:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:43,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:44,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:44,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-09-24 23:25:44,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:44,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 609 [2020-09-24 23:25:44,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-09-24 23:25:44,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 23:25:44,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:44,334 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-24 23:25:44,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:25:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:44,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:44,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:44,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-24 23:25:44,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:44,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-24 23:25:44,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:44,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:44,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:44,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:44,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:44,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 23:25:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:44,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:44,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:44,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:25:44,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 23:25:44,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:44,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:25:44,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:25:44,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-24 23:25:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:44,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:44,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:44,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:25:44,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:44,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 23:25:44,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:44,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:44,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 23:25:44,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:44,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:25:44,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:44,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:44,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:44,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 23:25:44,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:44,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 23:25:44,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:44,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:44,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:44,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:44,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:25:44,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907260164] [2020-09-24 23:25:44,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:25:44,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:25:44,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360257622] [2020-09-24 23:25:44,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:25:44,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:25:44,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:25:44,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:25:44,942 INFO L87 Difference]: Start difference. First operand 1173 states and 1286 transitions. Second operand 5 states. [2020-09-24 23:25:46,145 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-24 23:25:48,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:25:48,017 INFO L93 Difference]: Finished difference Result 1261 states and 1389 transitions. [2020-09-24 23:25:48,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 23:25:48,017 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 295 [2020-09-24 23:25:48,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:25:48,027 INFO L225 Difference]: With dead ends: 1261 [2020-09-24 23:25:48,027 INFO L226 Difference]: Without dead ends: 1258 [2020-09-24 23:25:48,028 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:25:48,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2020-09-24 23:25:48,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1172. [2020-09-24 23:25:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1172 states. [2020-09-24 23:25:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1284 transitions. [2020-09-24 23:25:48,138 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1284 transitions. Word has length 295 [2020-09-24 23:25:48,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:25:48,139 INFO L479 AbstractCegarLoop]: Abstraction has 1172 states and 1284 transitions. [2020-09-24 23:25:48,139 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:25:48,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1284 transitions. [2020-09-24 23:25:48,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-09-24 23:25:48,144 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:25:48,144 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:25:48,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:25:48,145 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:25:48,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:25:48,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1094634161, now seen corresponding path program 1 times [2020-09-24 23:25:48,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:25:48,147 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675935568] [2020-09-24 23:25:48,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:25:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:48,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:48,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:48,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-09-24 23:25:48,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:48,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 592 [2020-09-24 23:25:48,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:48,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:48,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-09-24 23:25:48,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 23:25:48,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:49,167 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-24 23:25:49,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:25:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:49,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:49,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:49,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-24 23:25:49,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:49,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 215 [2020-09-24 23:25:49,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:49,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:49,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:49,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:49,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:49,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 23:25:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:49,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:49,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:49,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:25:49,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 23:25:49,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:25:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-24 23:25:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:49,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:49,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:49,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:25:49,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:49,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 23:25:49,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:49,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 23:25:49,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:49,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:25:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:49,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:49,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:49,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 23:25:49,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:49,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:25:49,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:49,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:49,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:49,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:25:49,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675935568] [2020-09-24 23:25:49,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:25:49,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:25:49,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092932122] [2020-09-24 23:25:49,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:25:49,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:25:49,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:25:49,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:25:49,710 INFO L87 Difference]: Start difference. First operand 1172 states and 1284 transitions. Second operand 5 states. [2020-09-24 23:25:50,847 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-24 23:25:52,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:25:52,937 INFO L93 Difference]: Finished difference Result 1262 states and 1388 transitions. [2020-09-24 23:25:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 23:25:52,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 296 [2020-09-24 23:25:52,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:25:52,944 INFO L225 Difference]: With dead ends: 1262 [2020-09-24 23:25:52,944 INFO L226 Difference]: Without dead ends: 1258 [2020-09-24 23:25:52,945 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:25:52,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2020-09-24 23:25:53,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1170. [2020-09-24 23:25:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1170 states. [2020-09-24 23:25:53,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1279 transitions. [2020-09-24 23:25:53,040 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1279 transitions. Word has length 296 [2020-09-24 23:25:53,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:25:53,041 INFO L479 AbstractCegarLoop]: Abstraction has 1170 states and 1279 transitions. [2020-09-24 23:25:53,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:25:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1279 transitions. [2020-09-24 23:25:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-09-24 23:25:53,046 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:25:53,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:25:53,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 23:25:53,047 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:25:53,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:25:53,047 INFO L82 PathProgramCache]: Analyzing trace with hash -426369557, now seen corresponding path program 1 times [2020-09-24 23:25:53,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:25:53,048 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [364698962] [2020-09-24 23:25:53,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:25:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:53,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:53,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:53,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 314 [2020-09-24 23:25:53,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:53,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 547 [2020-09-24 23:25:53,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:53,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:53,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-09-24 23:25:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-24 23:25:53,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:54,010 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-24 23:25:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:25:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:54,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:54,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:54,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-24 23:25:54,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:54,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-24 23:25:54,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:54,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:54,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:54,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:54,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:54,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 23:25:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:54,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:54,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:54,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:25:54,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:54,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 23:25:54,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:54,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:25:54,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:54,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-24 23:25:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:54,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:54,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:54,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:25:54,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:54,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 23:25:54,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:54,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:25:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 23:25:54,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:54,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:25:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:54,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:54,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:54,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 23:25:54,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:25:54,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:25:54,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:25:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:25:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:25:54,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:25:54,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:25:54,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [364698962] [2020-09-24 23:25:54,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:25:54,532 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:25:54,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740006995] [2020-09-24 23:25:54,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:25:54,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:25:54,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:25:54,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:25:54,534 INFO L87 Difference]: Start difference. First operand 1170 states and 1279 transitions. Second operand 5 states. [2020-09-24 23:25:55,552 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-24 23:25:57,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:25:57,070 INFO L93 Difference]: Finished difference Result 1258 states and 1382 transitions. [2020-09-24 23:25:57,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 23:25:57,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 297 [2020-09-24 23:25:57,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:25:57,077 INFO L225 Difference]: With dead ends: 1258 [2020-09-24 23:25:57,078 INFO L226 Difference]: Without dead ends: 1241 [2020-09-24 23:25:57,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:25:57,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-09-24 23:25:57,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 717. [2020-09-24 23:25:57,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-09-24 23:25:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 770 transitions. [2020-09-24 23:25:57,131 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 770 transitions. Word has length 297 [2020-09-24 23:25:57,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:25:57,132 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 770 transitions. [2020-09-24 23:25:57,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:25:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 770 transitions. [2020-09-24 23:25:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-24 23:25:57,138 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:25:57,139 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:25:57,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 23:25:57,139 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:25:57,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:25:57,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1704679464, now seen corresponding path program 1 times [2020-09-24 23:25:57,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:25:57,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748204170] [2020-09-24 23:25:57,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:25:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:25:57,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:57,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:57,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:25:59,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:25:59,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-24 23:25:59,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:25:59,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2595 [2020-09-24 23:25:59,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:25:59,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:25:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 319 [2020-09-24 23:25:59,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 23:25:59,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:00,160 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-24 23:26:00,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:26:00,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:00,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:00,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:00,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-24 23:26:00,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:00,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-09-24 23:26:00,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:00,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:00,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:00,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:00,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:00,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-24 23:26:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:00,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:00,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:00,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:00,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:00,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:26:00,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:00,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:00,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:00,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-09-24 23:26:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:00,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:00,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:00,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 23:26:00,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:00,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:26:00,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:00,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:00,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:00,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:26:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:00,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:00,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:00,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:00,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:00,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:26:00,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:00,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:26:00,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:00,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:26:00,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:00,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-24 23:26:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:00,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:00,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:00,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-24 23:26:00,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:00,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 23:26:00,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:00,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:00,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:00,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:26:00,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:00,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 23:26:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:00,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:00,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:00,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:26:00,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:00,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:26:00,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:00,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:00,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:26:00,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:00,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 23:26:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:00,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:00,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:00,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:26:00,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:00,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:26:00,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:00,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:26:00,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:26:00,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-24 23:26:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:26:00,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:26:00,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:26:00,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:26:00,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:26:00,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 23:26:00,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 23:26:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:26:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:26:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:26:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:26:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:26:00,833 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748204170] [2020-09-24 23:26:00,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:26:00,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 23:26:00,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250316246] [2020-09-24 23:26:00,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 23:26:00,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:26:00,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 23:26:00,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:26:00,835 INFO L87 Difference]: Start difference. First operand 717 states and 770 transitions. Second operand 7 states. [2020-09-24 23:26:03,550 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-24 23:26:04,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:26:04,757 INFO L93 Difference]: Finished difference Result 893 states and 1002 transitions. [2020-09-24 23:26:04,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 23:26:04,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 329 [2020-09-24 23:26:04,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:26:04,758 INFO L225 Difference]: With dead ends: 893 [2020-09-24 23:26:04,758 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 23:26:04,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:26:04,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 23:26:04,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 23:26:04,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 23:26:04,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 23:26:04,762 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 329 [2020-09-24 23:26:04,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:26:04,763 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 23:26:04,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 23:26:04,763 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 23:26:04,763 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 23:26:04,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 23:26:04,766 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 23:26:05,164 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:05,490 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:05,820 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:06,213 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:06,512 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:06,812 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:07,098 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:07,414 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:07,698 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:08,005 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-24 23:26:08,295 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-24 23:26:08,601 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:08,885 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:09,429 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 44 [2020-09-24 23:26:09,948 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 44 [2020-09-24 23:26:10,230 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:10,511 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:10,822 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:10,960 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-24 23:26:11,240 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:11,527 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-24 23:26:11,815 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-24 23:26:12,095 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:12,217 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-24 23:26:12,727 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 44 [2020-09-24 23:26:13,230 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 44 [2020-09-24 23:26:13,365 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-24 23:26:13,645 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:13,924 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:14,203 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:14,481 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:14,760 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:15,040 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:15,328 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-24 23:26:15,616 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 176 [2020-09-24 23:26:15,905 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:16,185 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:16,465 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:16,746 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 175 [2020-09-24 23:26:16,882 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 171