/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_spec2_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:00:04,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:00:04,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:00:04,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:00:04,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:00:04,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:00:04,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:00:04,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:00:04,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:00:04,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:00:04,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:00:04,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:00:04,478 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:00:04,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:00:04,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:00:04,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:00:04,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:00:04,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:00:04,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:00:04,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:00:04,501 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:00:04,502 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:00:04,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:00:04,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:00:04,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:00:04,517 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:00:04,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:00:04,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:00:04,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:00:04,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:00:04,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:00:04,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:00:04,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:00:04,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:00:04,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:00:04,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:00:04,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:00:04,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:00:04,531 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:00:04,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:00:04,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:00:04,534 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 12:00:04,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:00:04,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:00:04,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:00:04,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:00:04,561 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:00:04,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:00:04,562 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:00:04,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:00:04,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:00:04,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:00:04,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:00:04,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:00:04,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:00:04,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:00:04,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:00:04,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:00:04,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:00:04,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:00:04,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:00:04,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:00:04,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:00:04,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:00:04,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:00:04,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:00:04,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:00:04,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:00:04,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:00:04,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:00:04,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:00:04,567 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:00:05,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:00:05,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:00:05,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:00:05,046 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:00:05,046 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:00:05,048 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2020-09-25 12:00:05,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b12634313/71edb517fffe48c59044bb38a4da20a8/FLAG3912b0083 [2020-09-25 12:00:05,738 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:00:05,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product14.cil.c [2020-09-25 12:00:05,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b12634313/71edb517fffe48c59044bb38a4da20a8/FLAG3912b0083 [2020-09-25 12:00:05,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b12634313/71edb517fffe48c59044bb38a4da20a8 [2020-09-25 12:00:06,008 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:00:06,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:00:06,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:00:06,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:00:06,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:00:06,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:00:05" (1/1) ... [2020-09-25 12:00:06,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06, skipping insertion in model container [2020-09-25 12:00:06,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:00:05" (1/1) ... [2020-09-25 12:00:06,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:00:06,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:00:06,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:00:06,645 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:00:06,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:00:06,780 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:00:06,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06 WrapperNode [2020-09-25 12:00:06,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:00:06,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:00:06,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:00:06,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:00:06,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06" (1/1) ... [2020-09-25 12:00:06,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06" (1/1) ... [2020-09-25 12:00:06,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06" (1/1) ... [2020-09-25 12:00:06,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06" (1/1) ... [2020-09-25 12:00:06,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06" (1/1) ... [2020-09-25 12:00:06,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06" (1/1) ... [2020-09-25 12:00:06,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06" (1/1) ... [2020-09-25 12:00:06,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:00:06,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:00:06,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:00:06,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:00:06,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:00:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:00:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:00:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:00:07,012 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:00:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:00:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:00:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:00:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:00:07,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:00:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:00:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:00:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:00:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:00:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:00:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:00:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:00:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:00:07,015 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:00:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:00:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:00:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:00:07,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:00:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:00:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:00:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:00:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:00:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:00:07,017 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:00:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:00:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 12:00:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:00:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 12:00:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:00:07,018 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:00:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:00:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:00:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:00:07,019 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 12:00:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:00:07,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:00:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:00:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:00:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:00:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:00:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:00:07,020 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:00:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:00:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:00:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:00:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:00:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:00:07,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:00:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:00:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:00:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:00:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:00:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:00:07,022 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:00:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:00:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:00:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:00:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:00:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:00:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:00:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:00:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:00:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:00:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:00:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:00:07,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:00:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:00:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:00:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:00:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:00:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 12:00:07,026 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:00:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:00:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:00:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 12:00:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:00:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 12:00:07,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:00:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:00:07,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:00:08,344 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:00:08,344 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:00:08,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:00:08 BoogieIcfgContainer [2020-09-25 12:00:08,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:00:08,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:00:08,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:00:08,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:00:08,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:00:05" (1/3) ... [2020-09-25 12:00:08,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c969ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:00:08, skipping insertion in model container [2020-09-25 12:00:08,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:06" (2/3) ... [2020-09-25 12:00:08,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c969ad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:00:08, skipping insertion in model container [2020-09-25 12:00:08,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:00:08" (3/3) ... [2020-09-25 12:00:08,372 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2020-09-25 12:00:08,386 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:00:08,401 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:00:08,428 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:00:08,470 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:00:08,470 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:00:08,470 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:00:08,470 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:00:08,470 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:00:08,470 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:00:08,471 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:00:08,471 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:00:08,510 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2020-09-25 12:00:08,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 12:00:08,538 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:08,540 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] [2020-09-25 12:00:08,541 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:08,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:08,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1385255819, now seen corresponding path program 1 times [2020-09-25 12:00:08,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:08,563 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [849062705] [2020-09-25 12:00:08,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:09,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:09,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:11,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:14,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:14,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 12:00:14,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:00:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 12:00:14,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:14,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:00:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 12:00:14,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 12:00:14,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 12:00:14,598 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:14,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:14,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:15,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 357 [2020-09-25 12:00:15,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 12:00:15,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:15,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 12:00:15,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:15,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:15,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:15,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:15,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:15,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:00:15,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:15,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:15,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:15,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:15,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:15,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:15,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:15,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:15,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:15,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:15,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:15,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:15,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:00:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:15,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:15,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:15,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:15,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:15,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:15,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [849062705] [2020-09-25 12:00:15,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:15,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 12:00:15,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224249438] [2020-09-25 12:00:15,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 12:00:15,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:15,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 12:00:15,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:00:15,359 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 5 states. [2020-09-25 12:00:15,957 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:17,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:17,033 INFO L93 Difference]: Finished difference Result 414 states and 494 transitions. [2020-09-25 12:00:17,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 12:00:17,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 12:00:17,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:17,066 INFO L225 Difference]: With dead ends: 414 [2020-09-25 12:00:17,066 INFO L226 Difference]: Without dead ends: 273 [2020-09-25 12:00:17,073 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:00:17,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-25 12:00:17,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 226. [2020-09-25 12:00:17,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-09-25 12:00:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 243 transitions. [2020-09-25 12:00:17,194 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 243 transitions. Word has length 148 [2020-09-25 12:00:17,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:17,195 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 243 transitions. [2020-09-25 12:00:17,196 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 12:00:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 243 transitions. [2020-09-25 12:00:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 12:00:17,199 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:17,200 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] [2020-09-25 12:00:17,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:00:17,201 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:17,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:17,201 INFO L82 PathProgramCache]: Analyzing trace with hash 800175746, now seen corresponding path program 1 times [2020-09-25 12:00:17,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:17,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915546646] [2020-09-25 12:00:17,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:17,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:18,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:18,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:19,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:22,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:22,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 12:00:22,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:00:22,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 12:00:22,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:22,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:22,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:00:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 12:00:22,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-09-25 12:00:22,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:22,672 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:22,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:22,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:23,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:23,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:23,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 291 [2020-09-25 12:00:23,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:23,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:23,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:23,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:23,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:00:23,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:00:23,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:23,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:23,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:23,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:23,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:23,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:23,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:23,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:23,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:23,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:23,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:23,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:23,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:23,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:23,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:23,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:23,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:23,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:00:23,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:23,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:23,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:23,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:23,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:23,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:23,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:23,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:23,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:23,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:23,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:23,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:23,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:23,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:23,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:23,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:23,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:23,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:23,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 12:00:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:23,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:23,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:00:23,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:23,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:00:23,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:23,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:23,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:23,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:23,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 12:00:23,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:00:23,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:00:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:23,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:23,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:23,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:23,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:23,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:23,233 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:23,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:23,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:00:23,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:00:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:23,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:23,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:23,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:23,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:00:23,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:23,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:00:23,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:23,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:23,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:23,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:00:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:23,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:23,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:23,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:23,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:23,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:23,288 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:23,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:23,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:23,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:23,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915546646] [2020-09-25 12:00:23,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:23,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:00:23,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319900084] [2020-09-25 12:00:23,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:00:23,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:23,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:00:23,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:00:23,338 INFO L87 Difference]: Start difference. First operand 226 states and 243 transitions. Second operand 10 states. [2020-09-25 12:00:23,902 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:24,903 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:25,246 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:25,968 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:26,275 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:26,908 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:27,247 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:00:27,573 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:28,155 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:28,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:28,927 INFO L93 Difference]: Finished difference Result 562 states and 691 transitions. [2020-09-25 12:00:28,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 12:00:28,928 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-09-25 12:00:28,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:28,934 INFO L225 Difference]: With dead ends: 562 [2020-09-25 12:00:28,935 INFO L226 Difference]: Without dead ends: 433 [2020-09-25 12:00:28,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 12:00:28,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2020-09-25 12:00:28,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 309. [2020-09-25 12:00:28,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-09-25 12:00:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 338 transitions. [2020-09-25 12:00:29,001 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 338 transitions. Word has length 157 [2020-09-25 12:00:29,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:29,002 INFO L479 AbstractCegarLoop]: Abstraction has 309 states and 338 transitions. [2020-09-25 12:00:29,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:00:29,002 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 338 transitions. [2020-09-25 12:00:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-25 12:00:29,005 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:29,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:00:29,005 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:00:29,005 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:29,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:29,006 INFO L82 PathProgramCache]: Analyzing trace with hash 984495674, now seen corresponding path program 1 times [2020-09-25 12:00:29,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:29,006 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700807857] [2020-09-25 12:00:29,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:29,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:29,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:30,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:30,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-25 12:00:34,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:00:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 12:00:34,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:00:34,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 12:00:34,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-25 12:00:34,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:34,424 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:34,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:34,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:34,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-09-25 12:00:34,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:34,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 12:00:34,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:34,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:34,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:34,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:00:34,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:34,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:34,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:34,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:34,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:34,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:34,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:34,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:34,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:34,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:34,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:00:34,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:34,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:34,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:00:34,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:34,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:34,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:34,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:34,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:34,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:34,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:34,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:34,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:34,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:34,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:34,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:34,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:00:34,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:34,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:34,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:34,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:00:34,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:34,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:00:34,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:34,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:34,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:00:34,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:34,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:00:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:34,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:34,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:34,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:34,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:34,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:34,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:34,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 12:00:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:00:34,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:00:34,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:00:34,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:00:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:00:34,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:00:34,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:34,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:00:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:34,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:34,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:34,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:34,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:34,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:34,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:34,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:34,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:34,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 12:00:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:34,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:34,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:34,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:34,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:35,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:35,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:35,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:35,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:35,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:35,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:35,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:35,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 12:00:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:35,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:35,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:35,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:35,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:35,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:00:35,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:35,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:00:35,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:35,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:35,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:35,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700807857] [2020-09-25 12:00:35,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:35,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 12:00:35,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80113241] [2020-09-25 12:00:35,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 12:00:35,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:35,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 12:00:35,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 12:00:35,117 INFO L87 Difference]: Start difference. First operand 309 states and 338 transitions. Second operand 12 states. [2020-09-25 12:00:35,780 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:37,208 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:37,507 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:37,902 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:38,237 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:38,564 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:39,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:39,147 INFO L93 Difference]: Finished difference Result 596 states and 721 transitions. [2020-09-25 12:00:39,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 12:00:39,148 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 175 [2020-09-25 12:00:39,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:39,149 INFO L225 Difference]: With dead ends: 596 [2020-09-25 12:00:39,149 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 12:00:39,154 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2020-09-25 12:00:39,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 12:00:39,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 12:00:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 12:00:39,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 12:00:39,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-09-25 12:00:39,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:39,155 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 12:00:39,155 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 12:00:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 12:00:39,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 12:00:39,156 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:00:39,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 12:00:39,354 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:39,556 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:39,753 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:39,937 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:40,112 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:40,385 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 14 [2020-09-25 12:00:40,564 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:40,734 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:41,016 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 9 [2020-09-25 12:00:41,179 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:41,349 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:41,694 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 12:00:41,983 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:42,331 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 12:00:42,672 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 12:00:43,012 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 12:00:43,352 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 12:00:43,631 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:43,971 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 12:00:44,249 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:44,526 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:44,808 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:45,180 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:45,458 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:00:45,822 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:45,985 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:46,148 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:46,301 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:46,463 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:46,625 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:46,779 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:46,945 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:47,107 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:47,270 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:47,432 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:47,576 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:47,732 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:47,895 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:48,047 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:48,200 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:48,353 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:48,505 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:48,667 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:48,820 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:48,982 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:49,144 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:49,307 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:49,465 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:49,627 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:49,788 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:49,946 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:50,105 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:50,267 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:50,422 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:50,575 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:50,737 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:50,900 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:51,062 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:51,225 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:51,387 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:51,539 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:51,701 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:51,863 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:52,127 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 9 [2020-09-25 12:00:52,297 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:52,460 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:52,613 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:52,775 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:52,937 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:53,091 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:53,254 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:53,416 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:53,590 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:53,857 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 9 [2020-09-25 12:00:54,020 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:54,175 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:54,349 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:54,690 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:00:54,967 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:00:55,308 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:00:55,649 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:00:55,991 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:00:56,332 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:00:56,611 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:00:56,951 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:00:57,228 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:00:57,514 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:00:57,795 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:00:58,170 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:00:58,450 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:00:58,804 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:58,969 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:59,134 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:59,287 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:59,443 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:59,607 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193