/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:18:09,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:18:09,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:18:09,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:18:09,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:18:09,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:18:09,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:18:09,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:18:09,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:18:09,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:18:09,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:18:09,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:18:09,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:18:09,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:18:09,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:18:09,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:18:09,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:18:09,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:18:09,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:18:09,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:18:09,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:18:09,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:18:09,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:18:09,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:18:09,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:18:09,227 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:18:09,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:18:09,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:18:09,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:18:09,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:18:09,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:18:09,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:18:09,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:18:09,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:18:09,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:18:09,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:18:09,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:18:09,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:18:09,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:18:09,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:18:09,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:18:09,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 05:18:09,298 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:18:09,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:18:09,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:18:09,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:18:09,300 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:18:09,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:18:09,300 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:18:09,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:18:09,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:18:09,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:18:09,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:18:09,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:18:09,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:18:09,302 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:18:09,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:18:09,303 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:18:09,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:18:09,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:18:09,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:18:09,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:18:09,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:18:09,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:18:09,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:18:09,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:18:09,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:18:09,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:18:09,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:18:09,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:18:09,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:18:09,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:18:09,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:18:09,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:18:09,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:18:09,779 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:18:09,780 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:18:09,781 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-09-25 05:18:09,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fab9dfa05/8c4d9ee7969d46e1af9d7663d82a6218/FLAG5d3a55bad [2020-09-25 05:18:10,487 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:18:10,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product28.cil.c [2020-09-25 05:18:10,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fab9dfa05/8c4d9ee7969d46e1af9d7663d82a6218/FLAG5d3a55bad [2020-09-25 05:18:10,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fab9dfa05/8c4d9ee7969d46e1af9d7663d82a6218 [2020-09-25 05:18:10,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:18:10,802 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:18:10,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:18:10,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:18:10,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:18:10,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:18:10" (1/1) ... [2020-09-25 05:18:10,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3f9b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:10, skipping insertion in model container [2020-09-25 05:18:10,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:18:10" (1/1) ... [2020-09-25 05:18:10,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:18:10,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:18:11,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:18:11,352 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:18:11,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:18:11,566 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:18:11,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:11 WrapperNode [2020-09-25 05:18:11,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:18:11,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:18:11,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:18:11,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:18:11,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:11" (1/1) ... [2020-09-25 05:18:11,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:11" (1/1) ... [2020-09-25 05:18:11,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:11" (1/1) ... [2020-09-25 05:18:11,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:11" (1/1) ... [2020-09-25 05:18:11,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:11" (1/1) ... [2020-09-25 05:18:11,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:11" (1/1) ... [2020-09-25 05:18:11,654 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:11" (1/1) ... [2020-09-25 05:18:11,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:18:11,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:18:11,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:18:11,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:18:11,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:11" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:18:11,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:18:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:18:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:18:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:18:11,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:18:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:18:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:18:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:18:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:18:11,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:18:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 05:18:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:18:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:18:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:18:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:18:11,772 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:18:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:18:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:18:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 05:18:11,773 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:18:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:18:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:18:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:18:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:18:11,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 05:18:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:18:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 05:18:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:18:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:18:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:18:11,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:18:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:18:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:18:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 05:18:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:18:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:18:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:18:11,776 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:18:11,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:18:11,777 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:18:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:18:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:18:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:18:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:18:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:18:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:18:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:18:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:18:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:18:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:18:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:18:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:18:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:18:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:18:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:18:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:18:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:18:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:18:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:18:11,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:18:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:18:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:18:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:18:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 05:18:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:18:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:18:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:18:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:18:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:18:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:18:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:18:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 05:18:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:18:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:18:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:18:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:18:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:18:11,783 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 05:18:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:18:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:18:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 05:18:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 05:18:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:18:11,784 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:18:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:18:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:18:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:18:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:18:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:18:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:18:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:18:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:18:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:18:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:18:12,993 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:18:12,993 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:18:13,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:18:13 BoogieIcfgContainer [2020-09-25 05:18:13,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:18:13,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:18:13,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:18:13,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:18:13,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:18:10" (1/3) ... [2020-09-25 05:18:13,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234d6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:18:13, skipping insertion in model container [2020-09-25 05:18:13,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:18:11" (2/3) ... [2020-09-25 05:18:13,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@234d6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:18:13, skipping insertion in model container [2020-09-25 05:18:13,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:18:13" (3/3) ... [2020-09-25 05:18:13,012 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2020-09-25 05:18:13,025 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:18:13,036 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:18:13,062 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:18:13,100 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:18:13,100 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:18:13,100 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:18:13,100 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:18:13,101 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:18:13,101 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:18:13,101 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:18:13,101 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:18:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2020-09-25 05:18:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 05:18:13,153 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:18:13,154 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] [2020-09-25 05:18:13,155 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:18:13,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:18:13,163 INFO L82 PathProgramCache]: Analyzing trace with hash 2129634346, now seen corresponding path program 1 times [2020-09-25 05:18:13,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:18:13,175 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [299855934] [2020-09-25 05:18:13,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:18:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:13,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:13,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:15,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:16,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:18,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:18,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 05:18:18,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:18:18,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-25 05:18:18,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:18,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 05:18:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:18,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 05:18:19,035 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:19,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:18:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:19,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:19,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:19,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:18:19,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:19,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-25 05:18:19,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:19,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:19,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:19,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:19,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:18:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:19,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:19,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:19,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:19,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:19,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:18:19,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:19,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:19,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:19,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:19,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:19,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:18:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:19,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:19,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:19,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:19,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:19,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:19,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:19,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:19,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:19,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:19,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:18:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:19,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:19,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:19,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:19,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:19,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:18:19,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:19,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:19,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:19,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:18:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:19,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:19,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:19,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:19,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:19,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:19,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:19,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:19,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:19,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:19,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:19,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:18:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:19,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:19,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:19,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:19,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:19,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:19,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:19,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:19,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:19,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:19,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:18:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:19,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:19,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:19,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:19,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:19,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:19,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:19,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:19,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:19,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:18:19,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [299855934] [2020-09-25 05:18:19,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:18:19,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 05:18:19,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674276812] [2020-09-25 05:18:19,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 05:18:19,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:18:19,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 05:18:19,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:18:19,409 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 3 states. [2020-09-25 05:18:20,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:18:20,772 INFO L93 Difference]: Finished difference Result 436 states and 522 transitions. [2020-09-25 05:18:20,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 05:18:20,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 05:18:20,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:18:20,794 INFO L225 Difference]: With dead ends: 436 [2020-09-25 05:18:20,794 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 05:18:20,801 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:18:20,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 05:18:20,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 234. [2020-09-25 05:18:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-09-25 05:18:20,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 253 transitions. [2020-09-25 05:18:20,920 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 253 transitions. Word has length 142 [2020-09-25 05:18:20,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:18:20,923 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 253 transitions. [2020-09-25 05:18:20,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 05:18:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 253 transitions. [2020-09-25 05:18:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 05:18:20,932 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:18:20,933 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] [2020-09-25 05:18:20,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:18:20,933 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:18:20,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:18:20,934 INFO L82 PathProgramCache]: Analyzing trace with hash -386314513, now seen corresponding path program 1 times [2020-09-25 05:18:20,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:18:20,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [306813712] [2020-09-25 05:18:20,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:18:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:21,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:21,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:22,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:23,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:24,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 05:18:26,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:18:26,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 05:18:26,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:18:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 05:18:26,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:18:26,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,320 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:26,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:18:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:18:26,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 05:18:26,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:18:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:26,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:18:26,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:26,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:18:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:26,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:26,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:18:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:26,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:18:26,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:26,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:18:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:26,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:26,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:26,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:18:26,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:26,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:26,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:26,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 05:18:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:26,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:26,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:26,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:26,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:26,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:26,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:26,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:26,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:26,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:26,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:26,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:26,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:18:26,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [306813712] [2020-09-25 05:18:26,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:18:26,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:18:26,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942064558] [2020-09-25 05:18:26,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:18:26,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:18:26,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:18:26,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:18:26,536 INFO L87 Difference]: Start difference. First operand 234 states and 253 transitions. Second operand 4 states. [2020-09-25 05:18:27,138 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:18:27,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:18:27,952 INFO L93 Difference]: Finished difference Result 343 states and 385 transitions. [2020-09-25 05:18:27,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 05:18:27,953 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 05:18:27,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:18:27,957 INFO L225 Difference]: With dead ends: 343 [2020-09-25 05:18:27,958 INFO L226 Difference]: Without dead ends: 259 [2020-09-25 05:18:27,960 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:18:27,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-25 05:18:27,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 224. [2020-09-25 05:18:27,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-25 05:18:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2020-09-25 05:18:28,000 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 143 [2020-09-25 05:18:28,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:18:28,001 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2020-09-25 05:18:28,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:18:28,001 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2020-09-25 05:18:28,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 05:18:28,003 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:18:28,004 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] [2020-09-25 05:18:28,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:18:28,004 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:18:28,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:18:28,004 INFO L82 PathProgramCache]: Analyzing trace with hash 70497391, now seen corresponding path program 1 times [2020-09-25 05:18:28,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:18:28,005 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506672519] [2020-09-25 05:18:28,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:18:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:28,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:28,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:29,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:30,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:33,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:33,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 05:18:33,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:18:33,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 05:18:33,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:33,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:33,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:18:33,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 05:18:33,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 05:18:33,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:33,327 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:33,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:18:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:33,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:33,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:33,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:18:33,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:33,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-09-25 05:18:33,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:33,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:33,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:33,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:33,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:33,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:18:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:33,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:33,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:33,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:33,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:33,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:33,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:33,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:33,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:33,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:33,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:33,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:33,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:18:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:33,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:33,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:33,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:33,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:33,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:18:33,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:33,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:33,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:33,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:33,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:33,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:18:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:33,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:33,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:33,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:33,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:33,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:18:33,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:33,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:33,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:33,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:33,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:18:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:33,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:33,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:33,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:33,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:33,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:18:33,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:33,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:33,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:33,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:33,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:33,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:18:33,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 05:18:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:33,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:33,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:33,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:18:33,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:33,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:33,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:33,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:18:33,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:33,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:18:33,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:33,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 05:18:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:33,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:33,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:33,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:33,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:33,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:33,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:33,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:33,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:33,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 05:18:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:33,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:33,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:33,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:33,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:33,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:33,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:33,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:33,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:18:33,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:18:33,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:18:33,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1506672519] [2020-09-25 05:18:33,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:18:33,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:18:33,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134202861] [2020-09-25 05:18:33,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:18:33,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:18:33,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:18:33,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:18:33,596 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 5 states. [2020-09-25 05:18:34,077 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:35,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:18:35,703 INFO L93 Difference]: Finished difference Result 518 states and 601 transitions. [2020-09-25 05:18:35,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:18:35,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 05:18:35,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:18:35,711 INFO L225 Difference]: With dead ends: 518 [2020-09-25 05:18:35,711 INFO L226 Difference]: Without dead ends: 404 [2020-09-25 05:18:35,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:18:35,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-25 05:18:35,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 328. [2020-09-25 05:18:35,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2020-09-25 05:18:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 361 transitions. [2020-09-25 05:18:35,792 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 361 transitions. Word has length 156 [2020-09-25 05:18:35,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:18:35,793 INFO L479 AbstractCegarLoop]: Abstraction has 328 states and 361 transitions. [2020-09-25 05:18:35,793 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:18:35,793 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 361 transitions. [2020-09-25 05:18:35,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:18:35,795 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:18:35,796 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] [2020-09-25 05:18:35,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:18:35,796 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:18:35,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:18:35,797 INFO L82 PathProgramCache]: Analyzing trace with hash 549756770, now seen corresponding path program 1 times [2020-09-25 05:18:35,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:18:35,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297058573] [2020-09-25 05:18:35,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:18:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:35,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:36,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:37,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:39,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:40,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:40,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 05:18:40,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:18:40,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 05:18:40,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:40,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:18:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 05:18:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 05:18:40,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:18:41,284 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:41,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:18:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:18:41,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 05:18:41,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:18:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:41,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:41,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,468 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:18:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:41,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:18:41,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:18:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:41,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:18:41,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:18:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:18:41,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:18:41,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:18:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:18:41,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 05:18:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 05:18:41,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:18:41,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:18:41,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:18:41,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 05:18:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:41,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:18:41,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:18:41,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:18:41,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 05:18:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:18:41,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:18:41,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:18:41,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:18:41,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:18:41,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 05:18:41,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:18:41,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:18:41,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:18:41,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:18:41,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:18:41,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:18:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 05:18:41,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297058573] [2020-09-25 05:18:41,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:18:41,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:18:41,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826311763] [2020-09-25 05:18:41,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:18:41,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:18:41,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:18:41,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:18:41,650 INFO L87 Difference]: Start difference. First operand 328 states and 361 transitions. Second operand 9 states. [2020-09-25 05:18:42,174 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:43,375 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:43,697 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:18:44,018 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:44,357 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:18:44,659 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:44,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:18:44,895 INFO L93 Difference]: Finished difference Result 527 states and 614 transitions. [2020-09-25 05:18:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:18:44,896 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 05:18:44,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:18:44,897 INFO L225 Difference]: With dead ends: 527 [2020-09-25 05:18:44,897 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:18:44,900 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:18:44,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:18:44,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:18:44,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:18:44,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:18:44,901 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 05:18:44,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:18:44,902 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:18:44,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:18:44,902 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:18:44,902 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:18:44,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:18:44,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:18:45,084 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:45,254 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:45,416 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:45,544 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 05:18:45,706 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:45,862 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:46,029 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:46,177 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:46,328 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:46,440 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 05:18:46,598 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:46,706 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 05:18:46,860 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:47,192 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 05:18:47,503 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 05:18:47,822 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 05:18:47,965 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:48,114 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:48,266 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:48,422 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:48,574 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:48,722 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:48,870 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:49,028 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:49,187 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:49,330 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:49,481 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:49,628 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:49,776 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:49,925 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:50,077 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:50,326 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 05:18:50,475 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:50,619 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:50,768 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:50,917 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:51,060 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:51,209 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:51,530 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:18:51,845 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:18:52,157 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:18:52,467 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 05:18:52,716 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:52,863 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:53,012 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:53,163 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:53,309 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:53,458 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:53,603 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:53,758 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:53,907 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:54,165 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:54,309 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:18:54,457 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:54,606 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:54,753 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:18:55,065 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:18:55,382 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:18:55,694 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 05:18:56,000 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 05:18:56,430 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 05:18:56,633 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:18:56,846 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 05:18:57,059 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 05:18:57,293 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:18:57,513 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:18:57,740 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 05:18:58,003 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:18:58,194 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 05:18:58,599 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 05:18:58,808 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 05:18:59,217 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 05:18:59,641 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 05:18:59,855 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 05:19:00,266 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 05:19:00,486 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:19:00,657 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:19:00,865 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20