/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:25:19,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:25:19,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:25:19,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:25:19,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:25:19,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:25:19,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:25:19,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:25:19,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:25:19,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:25:19,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:25:19,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:25:19,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:25:19,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:25:19,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:25:19,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:25:19,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:25:19,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:25:19,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:25:19,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:25:19,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:25:19,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:25:19,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:25:19,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:25:19,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:25:19,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:25:19,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:25:19,518 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:25:19,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:25:19,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:25:19,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:25:19,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:25:19,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:25:19,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:25:19,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:25:19,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:25:19,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:25:19,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:25:19,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:25:19,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:25:19,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:25:19,532 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 07:25:19,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:25:19,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:25:19,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:25:19,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:25:19,593 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:25:19,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:25:19,594 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:25:19,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:25:19,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:25:19,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:25:19,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:25:19,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:25:19,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:25:19,595 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:25:19,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:25:19,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:25:19,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:25:19,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:25:19,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:25:19,598 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:25:19,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:25:19,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:25:19,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:25:19,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:25:19,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:25:19,599 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:25:19,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:25:19,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:25:19,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:25:19,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-09-25 07:25:20,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:25:20,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:25:20,118 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:25:20,120 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:25:20,121 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:25:20,122 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-09-25 07:25:20,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7ee427a7/edff0521196b467c84f430fbdf8ac9c5/FLAGe112b4cd3 [2020-09-25 07:25:20,855 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:25:20,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product15.cil.c [2020-09-25 07:25:20,892 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7ee427a7/edff0521196b467c84f430fbdf8ac9c5/FLAGe112b4cd3 [2020-09-25 07:25:21,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e7ee427a7/edff0521196b467c84f430fbdf8ac9c5 [2020-09-25 07:25:21,118 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:25:21,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:25:21,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:25:21,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:25:21,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:25:21,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:25:21" (1/1) ... [2020-09-25 07:25:21,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21, skipping insertion in model container [2020-09-25 07:25:21,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:25:21" (1/1) ... [2020-09-25 07:25:21,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:25:21,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:25:21,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:25:21,796 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:25:21,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:25:21,911 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:25:21,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21 WrapperNode [2020-09-25 07:25:21,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:25:21,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:25:21,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:25:21,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:25:21,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21" (1/1) ... [2020-09-25 07:25:21,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21" (1/1) ... [2020-09-25 07:25:21,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21" (1/1) ... [2020-09-25 07:25:21,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21" (1/1) ... [2020-09-25 07:25:21,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21" (1/1) ... [2020-09-25 07:25:21,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21" (1/1) ... [2020-09-25 07:25:22,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21" (1/1) ... [2020-09-25 07:25:22,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:25:22,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:25:22,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:25:22,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:25:22,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21" (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 07:25:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:25:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:25:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:25:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:25:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:25:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:25:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:25:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:25:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:25:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:25:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:25:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:25:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:25:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:25:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:25:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:25:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:25:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:25:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 07:25:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:25:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:25:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 07:25:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:25:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 07:25:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:25:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:25:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:25:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:25:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:25:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:25:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:25:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:25:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:25:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:25:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:25:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:25:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:25:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:25:22,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:25:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:25:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:25:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:25:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:25:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:25:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:25:22,120 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:25:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:25:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:25:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:25:22,121 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:25:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:25:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:25:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:25:22,122 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:25:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:25:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:25:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:25:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:25:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:25:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:25:22,123 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:25:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 07:25:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:25:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:25:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:25:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:25:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 07:25:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:25:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 07:25:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:25:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:25:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:25:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:25:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:25:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:25:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:25:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:25:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:25:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:25:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:25:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:25:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:25:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:25:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:25:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:25:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:25:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:25:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:25:23,373 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:25:23,374 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:25:23,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:25:23 BoogieIcfgContainer [2020-09-25 07:25:23,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:25:23,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:25:23,383 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:25:23,387 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:25:23,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:25:21" (1/3) ... [2020-09-25 07:25:23,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4743db39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:25:23, skipping insertion in model container [2020-09-25 07:25:23,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:25:21" (2/3) ... [2020-09-25 07:25:23,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4743db39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:25:23, skipping insertion in model container [2020-09-25 07:25:23,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:25:23" (3/3) ... [2020-09-25 07:25:23,392 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2020-09-25 07:25:23,405 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:25:23,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:25:23,442 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:25:23,479 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:25:23,479 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:25:23,479 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:25:23,479 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:25:23,480 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:25:23,480 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:25:23,480 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:25:23,480 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:25:23,511 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states. [2020-09-25 07:25:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 07:25:23,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:23,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:25:23,532 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:23,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:23,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1822750949, now seen corresponding path program 1 times [2020-09-25 07:25:23,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:23,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023041559] [2020-09-25 07:25:23,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:24,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:24,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:25,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:26,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:28,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:28,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 07:25:28,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:25:28,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 07:25:28,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:28,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 07:25:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:29,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 07:25:29,545 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:29,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:29,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:29,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:29,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:29,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:29,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-09-25 07:25:29,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:29,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:29,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:29,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:29,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:29,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:29,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:29,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:29,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:29,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:29,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:29,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:29,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:29,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:29,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:29,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:29,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:29,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:29,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:29,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:29,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:29,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:29,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:29,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:29,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:29,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:29,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:29,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:29,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:29,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:29,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:29,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:29,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:29,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:29,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:25:29,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:29,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:29,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:29,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:29,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:29,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:29,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:29,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:29,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:29,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:29,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:29,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:29,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:29,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:25:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:29,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:29,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:29,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:29,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:29,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:29,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:29,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:25:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:29,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:29,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:29,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:29,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:29,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:29,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:29,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:29,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:29,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:29,815 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 07:25:29,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023041559] [2020-09-25 07:25:29,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:29,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 07:25:29,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133201678] [2020-09-25 07:25:29,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 07:25:29,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:29,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 07:25:29,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:25:29,849 INFO L87 Difference]: Start difference. First operand 280 states. Second operand 3 states. [2020-09-25 07:25:31,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:31,109 INFO L93 Difference]: Finished difference Result 405 states and 490 transitions. [2020-09-25 07:25:31,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 07:25:31,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 07:25:31,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:31,133 INFO L225 Difference]: With dead ends: 405 [2020-09-25 07:25:31,133 INFO L226 Difference]: Without dead ends: 260 [2020-09-25 07:25:31,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:25:31,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-09-25 07:25:31,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 219. [2020-09-25 07:25:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2020-09-25 07:25:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 238 transitions. [2020-09-25 07:25:31,248 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 238 transitions. Word has length 142 [2020-09-25 07:25:31,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:31,250 INFO L479 AbstractCegarLoop]: Abstraction has 219 states and 238 transitions. [2020-09-25 07:25:31,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 07:25:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 238 transitions. [2020-09-25 07:25:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 07:25:31,255 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:31,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:25:31,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:25:31,256 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:31,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:31,257 INFO L82 PathProgramCache]: Analyzing trace with hash -734923843, now seen corresponding path program 1 times [2020-09-25 07:25:31,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:31,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878763818] [2020-09-25 07:25:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:31,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:31,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:33,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:34,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:36,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:36,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 07:25:36,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:25:36,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 07:25:36,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:36,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 07:25:36,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:25:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:36,680 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:36,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:36,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:36,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:36,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:36,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:36,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 07:25:36,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:36,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:36,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:36,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:36,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:36,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:36,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:36,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:36,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:36,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:36,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:36,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:36,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:36,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:36,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:36,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:36,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:36,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:36,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:36,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:36,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:36,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:36,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:36,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:25:36,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:36,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:36,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:36,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:36,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:36,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:25:36,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:36,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:36,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:36,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:36,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:36,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:36,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:36,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:36,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:36,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:36,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:36,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:25:36,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:36,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:36,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:36,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:36,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:36,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:36,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:25:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:36,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:36,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:36,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:36,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:36,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:36,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:36,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:36,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:36,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:36,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:36,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:36,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:25:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:36,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:36,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:36,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:36,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:36,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:36,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:36,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:36,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:36,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:36,914 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 07:25:36,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878763818] [2020-09-25 07:25:36,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:36,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:25:36,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798677431] [2020-09-25 07:25:36,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:25:36,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:36,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:25:36,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:25:36,925 INFO L87 Difference]: Start difference. First operand 219 states and 238 transitions. Second operand 4 states. [2020-09-25 07:25:37,714 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:25:38,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:38,502 INFO L93 Difference]: Finished difference Result 316 states and 357 transitions. [2020-09-25 07:25:38,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:25:38,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 07:25:38,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:38,507 INFO L225 Difference]: With dead ends: 316 [2020-09-25 07:25:38,507 INFO L226 Difference]: Without dead ends: 243 [2020-09-25 07:25:38,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:25:38,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-25 07:25:38,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 209. [2020-09-25 07:25:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-09-25 07:25:38,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 225 transitions. [2020-09-25 07:25:38,553 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 225 transitions. Word has length 143 [2020-09-25 07:25:38,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:38,554 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 225 transitions. [2020-09-25 07:25:38,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:25:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 225 transitions. [2020-09-25 07:25:38,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 07:25:38,557 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:38,557 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] [2020-09-25 07:25:38,557 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:25:38,558 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:38,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:38,558 INFO L82 PathProgramCache]: Analyzing trace with hash 966355480, now seen corresponding path program 1 times [2020-09-25 07:25:38,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:38,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586294856] [2020-09-25 07:25:38,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:38,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:39,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:40,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:43,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:43,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 07:25:43,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 07:25:43,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 07:25:43,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:43,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:43,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:25:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 07:25:43,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 07:25:43,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:43,939 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:43,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:44,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:44,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:44,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:44,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:44,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-09-25 07:25:44,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:44,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:44,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:44,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:44,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 07:25:44,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:44,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:44,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:44,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:44,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:44,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:44,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:25:44,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:44,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:44,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:44,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:44,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:44,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:44,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:44,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:44,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:44,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:44,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:44,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:44,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:44,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:44,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:44,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:44,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:44,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:44,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:44,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:44,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 07:25:44,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:44,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:44,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:44,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:44,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:44,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:44,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:44,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:44,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:44,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:44,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 07:25:44,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:44,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:44,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:44,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:44,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:44,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:25:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:44,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:44,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:44,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:44,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:44,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:44,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:44,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:44,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:44,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:44,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 07:25:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:44,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:44,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:44,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:44,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:44,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:44,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:44,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:44,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:44,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:25:44,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:44,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:44,420 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 07:25:44,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586294856] [2020-09-25 07:25:44,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:44,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:25:44,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882453116] [2020-09-25 07:25:44,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:25:44,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:44,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:25:44,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:25:44,431 INFO L87 Difference]: Start difference. First operand 209 states and 225 transitions. Second operand 5 states. [2020-09-25 07:25:44,950 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:25:45,668 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:25:47,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:47,036 INFO L93 Difference]: Finished difference Result 534 states and 620 transitions. [2020-09-25 07:25:47,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:25:47,037 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 07:25:47,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:47,043 INFO L225 Difference]: With dead ends: 534 [2020-09-25 07:25:47,044 INFO L226 Difference]: Without dead ends: 435 [2020-09-25 07:25:47,045 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 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 07:25:47,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-09-25 07:25:47,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 372. [2020-09-25 07:25:47,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-09-25 07:25:47,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 418 transitions. [2020-09-25 07:25:47,130 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 418 transitions. Word has length 152 [2020-09-25 07:25:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:47,131 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 418 transitions. [2020-09-25 07:25:47,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:25:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 418 transitions. [2020-09-25 07:25:47,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 07:25:47,134 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:25:47,134 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] [2020-09-25 07:25:47,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:25:47,135 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:25:47,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:25:47,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1296578949, now seen corresponding path program 1 times [2020-09-25 07:25:47,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:25:47,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [992063339] [2020-09-25 07:25:47,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:25:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:47,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:48,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:48,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:49,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:52,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 07:25:52,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:25:52,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 07:25:52,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:52,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:52,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:25:52,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 07:25:52,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 07:25:52,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:52,564 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:52,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:25:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:52,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:52,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:25:52,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:52,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 07:25:52,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:52,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:52,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:52,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:52,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:52,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:52,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:25:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:52,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:52,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:52,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:52,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:52,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:52,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:52,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:52,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:52,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:52,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:52,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:25:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:52,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:52,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:52,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:52,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:52,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:52,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:52,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:52,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:52,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:52,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:25:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:52,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:52,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:52,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:52,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:52,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:52,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:52,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:52,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:52,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:52,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:52,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:25:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:52,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:52,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:52,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:52,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:25:52,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:52,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:52,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:25:52,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:52,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:25:52,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:52,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 07:25:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:52,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:52,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 07:25:52,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 07:25:52,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 07:25:52,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:52,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:52,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:52,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:52,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:25:52,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:52,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 07:25:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:52,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:52,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:25:52,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:52,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:25:52,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:52,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:52,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:52,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:52,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:25:52,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:52,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 07:25:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:52,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:52,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:52,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:52,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:25:52,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:52,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:52,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:25:52,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:52,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:52,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:52,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 07:25:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:25:52,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:25:52,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:25:52,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:25:52,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:25:52,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 07:25:52,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:25:52,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:25:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:25:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:25:52,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:25:52,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:25:52,914 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 07:25:52,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [992063339] [2020-09-25 07:25:52,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:25:52,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:25:52,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027011053] [2020-09-25 07:25:52,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:25:52,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:25:52,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:25:52,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:25:52,918 INFO L87 Difference]: Start difference. First operand 372 states and 418 transitions. Second operand 9 states. [2020-09-25 07:25:53,593 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:25:54,784 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:55,066 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:25:55,397 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:55,718 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:25:56,024 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:56,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:25:56,138 INFO L93 Difference]: Finished difference Result 608 states and 710 transitions. [2020-09-25 07:25:56,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:25:56,139 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 07:25:56,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:25:56,140 INFO L225 Difference]: With dead ends: 608 [2020-09-25 07:25:56,140 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:25:56,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 07:25:56,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:25:56,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:25:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:25:56,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:25:56,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2020-09-25 07:25:56,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:25:56,151 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:25:56,151 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:25:56,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:25:56,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:25:56,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:25:56,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:25:56,379 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:56,560 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:56,720 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 07:25:56,897 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:57,063 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:57,203 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 07:25:57,323 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 07:25:57,490 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:25:57,649 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:57,806 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:57,964 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:58,120 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:58,286 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:25:58,606 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:25:58,937 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:25:59,273 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:25:59,595 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:25:59,746 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:25:59,896 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:00,049 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:00,198 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:00,345 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:00,509 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:00,659 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:00,808 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:00,952 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:01,104 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,253 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,401 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,551 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,700 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,850 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:01,994 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:02,143 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:02,286 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:02,436 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:02,548 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 07:26:02,702 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:02,845 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:02,993 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:03,147 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:03,395 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:03,551 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:03,708 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:03,858 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:04,006 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:04,154 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:04,300 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:04,450 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:04,777 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:26:05,090 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:26:05,400 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:26:05,633 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2020-09-25 07:26:05,782 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:05,943 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:06,086 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:06,234 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:06,387 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:06,535 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:06,681 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:26:06,828 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:06,977 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:26:07,370 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 07:26:07,576 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:26:07,905 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:26:08,116 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:26:08,504 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 07:26:08,910 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-25 07:26:09,118 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:26:09,326 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1