/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:52:30,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:52:30,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:52:31,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:52:31,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:52:31,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:52:31,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:52:31,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:52:31,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:52:31,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:52:31,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:52:31,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:52:31,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:52:31,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:52:31,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:52:31,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:52:31,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:52:31,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:52:31,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:52:31,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:52:31,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:52:31,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:52:31,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:52:31,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:52:31,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:52:31,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:52:31,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:52:31,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:52:31,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:52:31,073 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:52:31,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:52:31,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:52:31,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:52:31,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:52:31,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:52:31,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:52:31,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:52:31,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:52:31,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:52:31,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:52:31,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:52:31,082 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 16:52:31,130 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:52:31,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:52:31,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:52:31,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:52:31,133 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:52:31,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:52:31,134 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:52:31,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:52:31,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:52:31,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:52:31,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:52:31,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:52:31,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:52:31,136 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:52:31,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:52:31,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:52:31,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:52:31,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:52:31,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:52:31,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:52:31,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:52:31,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:52:31,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:52:31,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:52:31,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:52:31,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:52:31,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:52:31,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:52:31,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:52:31,140 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;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;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;log-additional-information=true; [2020-09-24 16:52:31,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:52:31,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:52:31,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:52:31,633 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:52:31,633 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:52:31,634 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-09-24 16:52:31,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bba423247/612c2708e2c942d89216eb6d37fce340/FLAGdbf41aa48 [2020-09-24 16:52:32,335 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:52:32,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product03.cil.c [2020-09-24 16:52:32,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bba423247/612c2708e2c942d89216eb6d37fce340/FLAGdbf41aa48 [2020-09-24 16:52:32,613 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bba423247/612c2708e2c942d89216eb6d37fce340 [2020-09-24 16:52:32,625 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:52:32,632 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:52:32,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:52:32,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:52:32,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:52:32,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:52:32" (1/1) ... [2020-09-24 16:52:32,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:32, skipping insertion in model container [2020-09-24 16:52:32,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:52:32" (1/1) ... [2020-09-24 16:52:32,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:52:32,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:52:33,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:52:33,180 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:52:33,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:52:33,337 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:52:33,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33 WrapperNode [2020-09-24 16:52:33,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:52:33,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:52:33,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:52:33,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:52:33,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (1/1) ... [2020-09-24 16:52:33,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:52:33,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:52:33,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:52:33,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:52:33,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (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 16:52:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:52:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:52:33,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 16:52:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 16:52:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 16:52:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 16:52:33,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 16:52:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 16:52:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 16:52:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 16:52:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 16:52:33,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 16:52:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 16:52:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 16:52:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 16:52:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 16:52:33,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 16:52:33,529 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 16:52:33,529 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 16:52:33,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 16:52:33,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 16:52:33,529 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 16:52:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 16:52:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 16:52:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 16:52:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 16:52:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 16:52:33,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 16:52:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 16:52:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 16:52:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 16:52:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 16:52:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 16:52:33,531 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 16:52:33,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:52:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:52:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:52:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 16:52:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 16:52:33,532 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 16:52:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:52:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:52:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 16:52:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:52:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:52:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:52:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:52:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 16:52:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:52:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 16:52:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 16:52:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:52:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 16:52:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 16:52:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:52:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 16:52:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 16:52:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 16:52:33,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 16:52:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 16:52:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 16:52:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 16:52:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 16:52:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 16:52:33,536 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 16:52:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 16:52:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 16:52:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 16:52:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 16:52:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 16:52:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 16:52:33,537 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 16:52:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 16:52:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 16:52:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 16:52:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 16:52:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 16:52:33,538 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 16:52:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 16:52:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 16:52:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:52:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:52:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:52:33,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:52:34,641 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:52:34,642 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 16:52:34,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:52:34 BoogieIcfgContainer [2020-09-24 16:52:34,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:52:34,650 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:52:34,650 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:52:34,654 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:52:34,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:52:32" (1/3) ... [2020-09-24 16:52:34,655 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384bdc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:52:34, skipping insertion in model container [2020-09-24 16:52:34,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:52:33" (2/3) ... [2020-09-24 16:52:34,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@384bdc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:52:34, skipping insertion in model container [2020-09-24 16:52:34,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:52:34" (3/3) ... [2020-09-24 16:52:34,658 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product03.cil.c [2020-09-24 16:52:34,669 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:52:34,679 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:52:34,701 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:52:34,734 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:52:34,735 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:52:34,735 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:52:34,735 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:52:34,735 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:52:34,735 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:52:34,735 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:52:34,735 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:52:34,761 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states. [2020-09-24 16:52:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 16:52:34,777 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:52:34,778 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 16:52:34,779 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:52:34,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:52:34,785 INFO L82 PathProgramCache]: Analyzing trace with hash -601923373, now seen corresponding path program 1 times [2020-09-24 16:52:34,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:52:34,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573883979] [2020-09-24 16:52:34,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:52:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:35,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:36,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:37,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:40,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:51,390 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:51,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 16:52:51,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 16:52:51,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16278 [2020-09-24 16:52:51,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:51,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 16:52:51,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 16:52:51,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 16:52:51,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 16:52:51,879 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:52:51,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:52:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:51,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:52,183 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:52,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:52:52,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:52,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-09-24 16:52:52,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:52,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:52:52,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:52,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 16:52:52,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:52,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:52:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:52,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:52,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:52,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:52:52,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:52,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:52:52,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:52:52,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:52:52,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:52:52,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:52:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:52,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:52,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:52,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:52:52,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:52,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:52:52,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:52:52,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:52,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:52:52,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:52,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:52:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:52,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:52,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:52,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:52:52,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:52,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:52:52,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:52:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:52:52,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:52:52,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:52:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:52,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:52,328 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:52,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:52:52,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:52,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 16:52:52,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:52:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:52,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:52:52,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:52,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 16:52:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:52,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:52,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:52,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:52:52,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:52,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 16:52:52,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:52,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:52:52,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:52:52,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:52:52,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:52:52,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 16:52:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:52,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:52,389 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:52:52,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:52:52,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:52:52,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:52:52,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:52:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:52:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:52:52,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:52:52,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:52:52,424 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 16:52:52,425 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573883979] [2020-09-24 16:52:52,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:52:52,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:52:52,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741988362] [2020-09-24 16:52:52,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:52:52,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:52:52,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:52:52,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:52:52,457 INFO L87 Difference]: Start difference. First operand 250 states. Second operand 9 states. [2020-09-24 16:52:53,043 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:52:54,077 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:52:54,432 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:52:54,792 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:52:55,149 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 16:52:55,445 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:52:55,799 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:52:56,093 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:52:56,581 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:52:57,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:52:57,633 INFO L93 Difference]: Finished difference Result 451 states and 556 transitions. [2020-09-24 16:52:57,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:52:57,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2020-09-24 16:52:57,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:52:57,671 INFO L225 Difference]: With dead ends: 451 [2020-09-24 16:52:57,671 INFO L226 Difference]: Without dead ends: 314 [2020-09-24 16:52:57,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2020-09-24 16:52:57,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-09-24 16:52:57,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 281. [2020-09-24 16:52:57,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-24 16:52:57,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 317 transitions. [2020-09-24 16:52:57,821 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 317 transitions. Word has length 142 [2020-09-24 16:52:57,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:52:57,823 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 317 transitions. [2020-09-24 16:52:57,823 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:52:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 317 transitions. [2020-09-24 16:52:57,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 16:52:57,839 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:52:57,840 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 16:52:57,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:52:57,842 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:52:57,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:52:57,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1693860820, now seen corresponding path program 1 times [2020-09-24 16:52:57,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:52:57,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910540515] [2020-09-24 16:52:57,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:52:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:52:57,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:58,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:52:58,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:01,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:07,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:07,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 16:53:07,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 16:53:07,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9438 [2020-09-24 16:53:07,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 16:53:07,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 16:53:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-24 16:53:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:07,761 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:07,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:53:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:07,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,039 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:53:08,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-09-24 16:53:08,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 16:53:08,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:53:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:08,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:08,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:08,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:53:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,097 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:08,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:08,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:08,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:53:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,110 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:08,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:53:08,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:08,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:53:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:08,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:08,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 16:53:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 16:53:08,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:53:08,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 16:53:08,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 16:53:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:08,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:53:08,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:08,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 16:53:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:08,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:08,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:08,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:08,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:08,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:53:08,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:08,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:53:08,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:08,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:08,225 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 16:53:08,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910540515] [2020-09-24 16:53:08,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:53:08,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 16:53:08,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21066616] [2020-09-24 16:53:08,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 16:53:08,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:53:08,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 16:53:08,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 16:53:08,229 INFO L87 Difference]: Start difference. First operand 281 states and 317 transitions. Second operand 9 states. [2020-09-24 16:53:08,754 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 16:53:09,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:53:09,883 INFO L93 Difference]: Finished difference Result 396 states and 472 transitions. [2020-09-24 16:53:09,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 16:53:09,884 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-24 16:53:09,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:53:09,885 INFO L225 Difference]: With dead ends: 396 [2020-09-24 16:53:09,885 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 16:53:09,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-24 16:53:09,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 16:53:09,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 16:53:09,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 16:53:09,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 16:53:09,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2020-09-24 16:53:09,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:53:09,891 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 16:53:09,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 16:53:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 16:53:09,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 16:53:09,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:53:09,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 16:53:10,067 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 8 [2020-09-24 16:53:10,251 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:10,433 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:10,616 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:10,803 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:10,992 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:11,174 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:11,346 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:11,520 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:11,691 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:11,866 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,041 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,199 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,464 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,621 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,776 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:12,942 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:13,098 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:13,252 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:13,395 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:13,549 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:13,702 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:13,858 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,011 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,264 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,418 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,574 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,726 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:14,879 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,051 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,297 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,456 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,609 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:15,762 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,008 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,171 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,328 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,482 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,635 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,789 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:16,943 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,104 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,257 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,409 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,562 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,715 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:17,872 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:18,025 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:18,179 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:18,333 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:18,488 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:18,642 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:18,808 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:18,962 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:19,299 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 13 [2020-09-24 16:53:19,519 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-24 16:53:19,727 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 13 [2020-09-24 16:53:19,948 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22