/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=LOWLEXORDER --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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:23:17,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:23:17,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:23:17,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:23:17,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:23:17,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:23:17,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:23:17,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:23:17,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:23:17,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:23:17,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:23:17,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:23:17,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:23:17,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:23:17,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:23:17,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:23:17,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:23:17,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:23:17,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:23:17,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:23:17,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:23:17,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:23:17,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:23:17,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:23:17,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:23:17,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:23:17,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:23:17,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:23:17,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:23:17,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:23:17,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:23:17,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:23:17,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:23:17,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:23:17,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:23:17,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:23:17,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:23:17,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:23:17,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:23:17,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:23:17,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:23:17,613 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 [2020-09-24 21:23:17,657 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:23:17,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:23:17,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:23:17,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:23:17,660 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:23:17,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:23:17,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:23:17,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:23:17,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:23:17,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:23:17,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:23:17,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:23:17,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:23:17,663 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:23:17,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:23:17,664 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:23:17,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:23:17,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:23:17,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:23:17,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:23:17,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:23:17,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:23:17,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:23:17,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:23:17,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:23:17,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:23:17,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:23:17,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:23:17,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:23:17,667 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:23:18,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:23:18,146 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:23:18,150 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:23:18,152 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:23:18,153 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:23:18,154 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-09-24 21:23:18,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d86ffb5a/a7ad3918d49d4efba51a816487e2fc41/FLAGa639eaf42 [2020-09-24 21:23:18,925 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:23:18,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-09-24 21:23:18,944 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d86ffb5a/a7ad3918d49d4efba51a816487e2fc41/FLAGa639eaf42 [2020-09-24 21:23:19,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d86ffb5a/a7ad3918d49d4efba51a816487e2fc41 [2020-09-24 21:23:19,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:23:19,256 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:23:19,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:23:19,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:23:19,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:23:19,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:23:19" (1/1) ... [2020-09-24 21:23:19,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2f3aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19, skipping insertion in model container [2020-09-24 21:23:19,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:23:19" (1/1) ... [2020-09-24 21:23:19,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:23:19,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:23:19,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:23:19,785 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:23:19,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:23:19,939 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:23:19,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19 WrapperNode [2020-09-24 21:23:19,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:23:19,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:23:19,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:23:19,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:23:19,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19" (1/1) ... [2020-09-24 21:23:19,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19" (1/1) ... [2020-09-24 21:23:19,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19" (1/1) ... [2020-09-24 21:23:19,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19" (1/1) ... [2020-09-24 21:23:20,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19" (1/1) ... [2020-09-24 21:23:20,025 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19" (1/1) ... [2020-09-24 21:23:20,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19" (1/1) ... [2020-09-24 21:23:20,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:23:20,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:23:20,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:23:20,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:23:20,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:23:20,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:23:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:23:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 21:23:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 21:23:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 21:23:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 21:23:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 21:23:20,121 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 21:23:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 21:23:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 21:23:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 21:23:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 21:23:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 21:23:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 21:23:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 21:23:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 21:23:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 21:23:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 21:23:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 21:23:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 21:23:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 21:23:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 21:23:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 21:23:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-24 21:23:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 21:23:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 21:23:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 21:23:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 21:23:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 21:23:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 21:23:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 21:23:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 21:23:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 21:23:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 21:23:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 21:23:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:23:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 21:23:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:23:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:23:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 21:23:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 21:23:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 21:23:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 21:23:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 21:23:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 21:23:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 21:23:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 21:23:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 21:23:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 21:23:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 21:23:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:23:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 21:23:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:23:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:23:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 21:23:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:23:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:23:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:23:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:23:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 21:23:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:23:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 21:23:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 21:23:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:23:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 21:23:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 21:23:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 21:23:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 21:23:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 21:23:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 21:23:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 21:23:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 21:23:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 21:23:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 21:23:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 21:23:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 21:23:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 21:23:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 21:23:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 21:23:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-24 21:23:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 21:23:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 21:23:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 21:23:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 21:23:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:23:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:23:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:23:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:23:21,258 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:23:21,258 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 21:23:21,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:23:21 BoogieIcfgContainer [2020-09-24 21:23:21,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:23:21,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:23:21,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:23:21,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:23:21,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:23:19" (1/3) ... [2020-09-24 21:23:21,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c495fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:23:21, skipping insertion in model container [2020-09-24 21:23:21,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:19" (2/3) ... [2020-09-24 21:23:21,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c495fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:23:21, skipping insertion in model container [2020-09-24 21:23:21,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:23:21" (3/3) ... [2020-09-24 21:23:21,275 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-09-24 21:23:21,288 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:23:21,299 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:23:21,320 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:23:21,348 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:23:21,348 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:23:21,348 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:23:21,348 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:23:21,348 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:23:21,348 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:23:21,349 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:23:21,349 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:23:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-09-24 21:23:21,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 21:23:21,392 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:23:21,394 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] [2020-09-24 21:23:21,395 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:23:21,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:23:21,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1699265517, now seen corresponding path program 1 times [2020-09-24 21:23:21,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:23:21,411 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462069421] [2020-09-24 21:23:21,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:23:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:21,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:22,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:23,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:24,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:26,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:26,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 21:23:26,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:23:26,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-09-24 21:23:26,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:26,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 21:23:26,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 21:23:26,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 21:23:26,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-24 21:23:27,636 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:27,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:23:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:27,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:28,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:28,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:23:28,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:28,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-09-24 21:23:28,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:28,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 21:23:28,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:28,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:23:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:28,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:28,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:28,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:28,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:28,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:23:28,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:28,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:28,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:28,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:23:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:28,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:28,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:28,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:28,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:28,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:23:28,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:28,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:28,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:28,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:28,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:23:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:28,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:28,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:28,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:28,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:28,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:23:28,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:28,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:28,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:28,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:28,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:28,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:23:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:28,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:28,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:28,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:28,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:28,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:23:28,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:28,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:28,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:28,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:28,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 21:23:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:28,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:28,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:28,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:28,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:28,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:23:28,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:23:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:28,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:28,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:28,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 21:23:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:28,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:28,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:28,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:28,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:28,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:23:28,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 21:23:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:23:28,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462069421] [2020-09-24 21:23:28,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:23:28,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:23:28,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937476682] [2020-09-24 21:23:28,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:23:28,380 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:23:28,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:23:28,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:23:28,413 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 8 states. [2020-09-24 21:23:29,457 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:23:30,488 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:30,827 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:31,180 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:31,571 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:23:31,909 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:32,200 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:32,519 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:34,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:23:34,111 INFO L93 Difference]: Finished difference Result 530 states and 655 transitions. [2020-09-24 21:23:34,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 21:23:34,116 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 21:23:34,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:23:34,156 INFO L225 Difference]: With dead ends: 530 [2020-09-24 21:23:34,157 INFO L226 Difference]: Without dead ends: 368 [2020-09-24 21:23:34,170 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 21:23:34,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-09-24 21:23:34,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 326. [2020-09-24 21:23:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-09-24 21:23:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 366 transitions. [2020-09-24 21:23:34,355 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 366 transitions. Word has length 142 [2020-09-24 21:23:34,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:23:34,356 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 366 transitions. [2020-09-24 21:23:34,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:23:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 366 transitions. [2020-09-24 21:23:34,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 21:23:34,364 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:23:34,364 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] [2020-09-24 21:23:34,364 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:23:34,365 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:23:34,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:23:34,365 INFO L82 PathProgramCache]: Analyzing trace with hash 359727385, now seen corresponding path program 1 times [2020-09-24 21:23:34,366 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:23:34,366 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567530322] [2020-09-24 21:23:34,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:23:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:34,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:34,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:35,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:39,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:39,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 21:23:39,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:23:39,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-24 21:23:39,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 21:23:39,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 21:23:39,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-24 21:23:39,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:39,777 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:39,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:23:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:39,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:40,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:40,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:23:40,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:40,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-09-24 21:23:40,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:40,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 21:23:40,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:40,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:23:40,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:40,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:40,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:40,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:40,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:23:40,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:40,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:23:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:40,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:40,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:40,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:40,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:40,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:23:40,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:40,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:40,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:23:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:40,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:40,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:40,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:40,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:40,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:23:40,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:40,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:40,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:23:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:40,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:40,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:40,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:23:40,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:40,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:40,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:40,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 21:23:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:40,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:40,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:40,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:23:40,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:40,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:23:40,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 21:23:40,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:40,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:40,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 21:23:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:40,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:40,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:40,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:40,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:40,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:40,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:40,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:40,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:40,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:40,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 21:23:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:40,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:40,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:40,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:40,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:40,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:40,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:40,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:40,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:23:40,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567530322] [2020-09-24 21:23:40,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:23:40,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 21:23:40,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131623132] [2020-09-24 21:23:40,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 21:23:40,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:23:40,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 21:23:40,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 21:23:40,342 INFO L87 Difference]: Start difference. First operand 326 states and 366 transitions. Second operand 5 states. [2020-09-24 21:23:40,888 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:23:41,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:23:41,500 INFO L93 Difference]: Finished difference Result 503 states and 594 transitions. [2020-09-24 21:23:41,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 21:23:41,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 21:23:41,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:23:41,511 INFO L225 Difference]: With dead ends: 503 [2020-09-24 21:23:41,515 INFO L226 Difference]: Without dead ends: 276 [2020-09-24 21:23:41,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:23:41,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-24 21:23:41,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 254. [2020-09-24 21:23:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-24 21:23:41,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 272 transitions. [2020-09-24 21:23:41,620 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 272 transitions. Word has length 148 [2020-09-24 21:23:41,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:23:41,621 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 272 transitions. [2020-09-24 21:23:41,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 21:23:41,622 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 272 transitions. [2020-09-24 21:23:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 21:23:41,633 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:23:41,634 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] [2020-09-24 21:23:41,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:23:41,634 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:23:41,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:23:41,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1375484295, now seen corresponding path program 1 times [2020-09-24 21:23:41,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:23:41,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234800615] [2020-09-24 21:23:41,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:23:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:41,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:42,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:43,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:43,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:46,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:46,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 21:23:46,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:23:46,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-24 21:23:46,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 21:23:46,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 21:23:46,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 21:23:46,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:47,038 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:47,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:23:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:47,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:47,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:47,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:23:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:47,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-24 21:23:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:47,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 21:23:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:47,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:23:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:47,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:47,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:47,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:47,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:47,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:47,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:47,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:47,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:47,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:47,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:47,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:23:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:47,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:47,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:47,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:47,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:47,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:47,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:47,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:47,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:47,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:23:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:47,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:47,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:47,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:47,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:47,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:23:47,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:47,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:47,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:47,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:47,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:23:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:47,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:47,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:47,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:47,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:47,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:47,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:47,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:47,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:47,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:47,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 21:23:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:47,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:47,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:47,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:23:47,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:47,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:23:47,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:47,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:23:47,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:23:47,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:23:47,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:47,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 21:23:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:47,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:47,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:47,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:23:47,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:47,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:23:47,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:23:47,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:47,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 21:23:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:47,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:47,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:47,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:47,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:47,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:23:47,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:23:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:47,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:47,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:47,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 21:23:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:47,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:47,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:47,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:47,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:47,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:23:47,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:47,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:23:47,550 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234800615] [2020-09-24 21:23:47,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:23:47,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 21:23:47,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559821664] [2020-09-24 21:23:47,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 21:23:47,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:23:47,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 21:23:47,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 21:23:47,552 INFO L87 Difference]: Start difference. First operand 254 states and 272 transitions. Second operand 12 states. [2020-09-24 21:23:48,321 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:23:49,390 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:49,718 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:50,067 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:50,381 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:23:50,713 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:51,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:23:51,279 INFO L93 Difference]: Finished difference Result 394 states and 454 transitions. [2020-09-24 21:23:51,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 21:23:51,279 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-09-24 21:23:51,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:23:51,283 INFO L225 Difference]: With dead ends: 394 [2020-09-24 21:23:51,283 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 21:23:51,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-09-24 21:23:51,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 21:23:51,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 21:23:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 21:23:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 21:23:51,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 21:23:51,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:23:51,286 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 21:23:51,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 21:23:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 21:23:51,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 21:23:51,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:23:51,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 21:23:51,518 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:51,695 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:51,881 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:52,059 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:52,235 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:52,438 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 21:23:52,599 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:52,778 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:52,936 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:53,096 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:53,254 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:53,415 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:53,576 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:53,735 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:53,892 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:54,031 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:54,198 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 21:23:54,361 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:54,696 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:54,851 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:55,170 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:55,332 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:55,489 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:55,642 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 21:23:55,795 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:55,949 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:56,102 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:56,263 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:56,417 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:56,574 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:56,732 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:56,886 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:57,040 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:57,200 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:57,353 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:57,510 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:57,668 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:57,823 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 21:23:57,975 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:58,133 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:58,291 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:58,455 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:58,608 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:58,765 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:59,082 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:59,407 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:59,562 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:59,886 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:24:00,039 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:00,367 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:24:00,696 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:24:00,851 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:01,018 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:01,175 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:01,330 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:01,648 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:24:01,801 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:02,118 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:24:02,280 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:02,437 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:02,590 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:02,742 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:02,900 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:03,060 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:03,213 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:03,462 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:03,615 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:03,769 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 21:24:03,929 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:04,088 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:04,246 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:04,398 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:04,560 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:04,717 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:04,882 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:05,035 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:05,188 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:05,345 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:05,498 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:05,656 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:05,813 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:05,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:06,122 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:06,283 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:06,436 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:06,589 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:06,741 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:06,893 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:07,318 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 21:24:07,550 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 21:24:07,776 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 21:24:08,284 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-24 21:24:08,685 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 21:24:08,942 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:24:09,369 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 21:24:09,575 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 21:24:10,021 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 21:24:10,225 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 21:24:10,468 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 21:24:10,947 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 21:24:11,174 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22