/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=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:44:51,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:44:51,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:44:51,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:44:51,374 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:44:51,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:44:51,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:44:51,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:44:51,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:44:51,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:44:51,394 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:44:51,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:44:51,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:44:51,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:44:51,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:44:51,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:44:51,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:44:51,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:44:51,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:44:51,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:44:51,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:44:51,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:44:51,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:44:51,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:44:51,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:44:51,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:44:51,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:44:51,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:44:51,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:44:51,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:44:51,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:44:51,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:44:51,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:44:51,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:44:51,452 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:44:51,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:44:51,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:44:51,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:44:51,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:44:51,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:44:51,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:44:51,456 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 08:44:51,482 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:44:51,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:44:51,483 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:44:51,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:44:51,484 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:44:51,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:44:51,484 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:44:51,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:44:51,485 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:44:51,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:44:51,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:44:51,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:44:51,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:44:51,486 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:44:51,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:44:51,486 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:44:51,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:44:51,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:44:51,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:44:51,487 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:44:51,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:44:51,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:44:51,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:44:51,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:44:51,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:44:51,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:44:51,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:44:51,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:44:51,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:44:51,489 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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;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=1.0;log-additional-information=true; [2020-09-25 08:44:51,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:44:51,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:44:51,975 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:44:51,977 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:44:51,978 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:44:51,979 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2020-09-25 08:44:52,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa8a5439f/42e1a2f54d0c4de38351fd0576d81cee/FLAG0b70cc6c8 [2020-09-25 08:44:52,664 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:44:52,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product31.cil.c [2020-09-25 08:44:52,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa8a5439f/42e1a2f54d0c4de38351fd0576d81cee/FLAG0b70cc6c8 [2020-09-25 08:44:52,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa8a5439f/42e1a2f54d0c4de38351fd0576d81cee [2020-09-25 08:44:52,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:44:52,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:44:52,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:44:52,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:44:52,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:44:52,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:44:52" (1/1) ... [2020-09-25 08:44:52,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:52, skipping insertion in model container [2020-09-25 08:44:52,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:44:52" (1/1) ... [2020-09-25 08:44:52,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:44:53,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:44:53,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:44:53,499 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:44:53,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:44:53,632 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:44:53,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:53 WrapperNode [2020-09-25 08:44:53,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:44:53,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:44:53,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:44:53,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:44:53,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:53" (1/1) ... [2020-09-25 08:44:53,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:53" (1/1) ... [2020-09-25 08:44:53,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:53" (1/1) ... [2020-09-25 08:44:53,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:53" (1/1) ... [2020-09-25 08:44:53,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:53" (1/1) ... [2020-09-25 08:44:53,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:53" (1/1) ... [2020-09-25 08:44:53,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:53" (1/1) ... [2020-09-25 08:44:53,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:44:53,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:44:53,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:44:53,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:44:53,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:53" (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 08:44:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:44:53,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:44:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:44:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:44:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:44:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:44:53,827 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:44:53,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:44:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:44:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:44:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:44:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:44:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:44:53,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:44:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:44:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:44:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:44:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:44:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:44:53,831 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:44:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:44:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:44:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:44:53,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:44:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:44:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:44:53,833 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:44:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:44:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 08:44:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:44:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 08:44:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:44:53,834 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:44:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:44:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:44:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:44:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:44:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:44:53,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:44:53,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:44:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:44:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:44:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:44:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:44:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:44:53,836 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:44:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:44:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:44:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:44:53,837 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:44:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:44:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:44:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:44:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:44:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:44:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:44:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:44:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:44:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:44:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:44:53,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:44:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:44:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:44:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:44:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:44:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:44:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:44:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:44:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:44:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:44:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:44:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:44:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:44:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:44:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:44:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:44:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:44:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:44:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:44:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:44:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:44:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:44:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:44:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:44:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:44:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:44:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:44:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 08:44:53,846 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:44:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 08:44:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:44:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:44:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:44:53,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:44:54,967 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:44:54,967 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:44:54,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:44:54 BoogieIcfgContainer [2020-09-25 08:44:54,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:44:54,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:44:54,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:44:54,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:44:54,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:44:52" (1/3) ... [2020-09-25 08:44:54,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e8733f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:44:54, skipping insertion in model container [2020-09-25 08:44:54,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:53" (2/3) ... [2020-09-25 08:44:54,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e8733f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:44:54, skipping insertion in model container [2020-09-25 08:44:54,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:44:54" (3/3) ... [2020-09-25 08:44:54,984 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product31.cil.c [2020-09-25 08:44:54,995 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:44:55,006 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:44:55,029 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:44:55,062 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:44:55,062 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:44:55,062 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:44:55,062 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:44:55,062 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:44:55,062 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:44:55,062 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:44:55,063 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:44:55,090 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states. [2020-09-25 08:44:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:44:55,108 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:44:55,110 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 08:44:55,110 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:44:55,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:44:55,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1955502520, now seen corresponding path program 1 times [2020-09-25 08:44:55,127 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:44:55,127 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2016763835] [2020-09-25 08:44:55,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:44:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:55,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:55,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:57,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:58,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:00,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:00,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:45:00,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:45:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5078 [2020-09-25 08:45:00,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:00,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 08:45:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 08:45:01,028 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:01,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:01,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:01,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:01,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:01,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 08:45:01,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:01,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:01,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:01,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:01,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:01,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:01,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:01,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:01,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:01,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:01,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:45:01,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:01,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:01,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:01,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:01,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:01,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:01,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:01,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:01,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:01,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:01,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:01,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:01,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:01,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:01,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:01,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:01,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:01,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:01,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:01,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:01,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:45:01,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:01,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:01,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:01,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:01,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:01,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:01,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:01,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:01,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:01,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:01,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:01,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:01,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:01,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:45:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:01,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:01,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:01,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:01,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:01,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:01,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:01,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:01,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:01,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:01,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:01,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:45:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:01,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:01,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:01,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:01,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:01,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:01,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:01,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:01,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:01,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:01,355 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 08:45:01,356 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2016763835] [2020-09-25 08:45:01,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:01,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 08:45:01,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948536470] [2020-09-25 08:45:01,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 08:45:01,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:01,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 08:45:01,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:45:01,389 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 3 states. [2020-09-25 08:45:02,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:02,887 INFO L93 Difference]: Finished difference Result 479 states and 573 transitions. [2020-09-25 08:45:02,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 08:45:02,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 08:45:02,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:02,912 INFO L225 Difference]: With dead ends: 479 [2020-09-25 08:45:02,912 INFO L226 Difference]: Without dead ends: 298 [2020-09-25 08:45:02,918 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 08:45:02,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-09-25 08:45:03,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 255. [2020-09-25 08:45:03,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-09-25 08:45:03,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 278 transitions. [2020-09-25 08:45:03,042 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 278 transitions. Word has length 142 [2020-09-25 08:45:03,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:03,043 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 278 transitions. [2020-09-25 08:45:03,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 08:45:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 278 transitions. [2020-09-25 08:45:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 08:45:03,057 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:03,057 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 08:45:03,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:45:03,058 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:03,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:03,059 INFO L82 PathProgramCache]: Analyzing trace with hash -418089433, now seen corresponding path program 1 times [2020-09-25 08:45:03,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:03,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1723091699] [2020-09-25 08:45:03,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:03,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:03,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:05,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:05,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:06,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:08,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:08,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 08:45:08,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:45:08,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 08:45:08,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:08,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:08,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:45:08,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:45:08,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:08,481 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:08,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:08,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:08,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:08,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:08,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:08,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 08:45:08,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:08,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:08,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:08,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:08,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:08,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:08,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:08,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:08,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:08,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:08,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:08,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:08,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:08,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:08,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:08,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:08,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:08,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:08,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:08,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:08,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:08,641 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:08,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:08,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:08,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:08,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:08,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:08,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:08,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:08,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:08,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:08,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:08,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:08,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:08,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:08,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:08,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:08,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:08,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:08,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:08,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:08,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:08,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:08,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:08,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:08,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:08,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:45:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:08,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:08,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:08,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:08,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:08,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:08,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:08,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:08,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:08,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:08,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:08,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:45:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:08,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:08,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:08,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:08,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:08,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:08,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:08,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:08,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:08,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:08,693 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 08:45:08,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1723091699] [2020-09-25 08:45:08,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:08,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:45:08,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15276540] [2020-09-25 08:45:08,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:45:08,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:08,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:45:08,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:45:08,697 INFO L87 Difference]: Start difference. First operand 255 states and 278 transitions. Second operand 4 states. [2020-09-25 08:45:09,278 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:10,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:10,240 INFO L93 Difference]: Finished difference Result 390 states and 440 transitions. [2020-09-25 08:45:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:45:10,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 08:45:10,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:10,247 INFO L225 Difference]: With dead ends: 390 [2020-09-25 08:45:10,247 INFO L226 Difference]: Without dead ends: 281 [2020-09-25 08:45:10,249 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:45:10,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-09-25 08:45:10,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 245. [2020-09-25 08:45:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-09-25 08:45:10,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 265 transitions. [2020-09-25 08:45:10,322 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 265 transitions. Word has length 143 [2020-09-25 08:45:10,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:10,323 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 265 transitions. [2020-09-25 08:45:10,326 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:45:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 265 transitions. [2020-09-25 08:45:10,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 08:45:10,329 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:10,329 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 08:45:10,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:45:10,332 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:10,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:10,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1057365149, now seen corresponding path program 1 times [2020-09-25 08:45:10,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:10,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [232366973] [2020-09-25 08:45:10,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:10,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:11,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:11,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:15,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:15,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 08:45:15,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:45:15,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 08:45:15,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:15,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:15,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:45:15,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 08:45:15,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 08:45:15,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:15,668 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:15,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:15,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:15,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:15,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:15,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:15,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 239 [2020-09-25 08:45:15,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:15,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:15,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:15,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:15,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 08:45:15,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:16,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:16,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:16,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:16,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:16,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:16,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 08:45:16,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:16,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:16,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:16,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:16,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:16,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:16,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:16,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:16,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:16,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:16,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:16,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:16,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:16,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:16,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:16,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:16,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:16,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:16,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 08:45:16,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:16,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:16,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:16,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:16,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:16,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:16,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:16,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:16,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:16,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:16,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:16,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:16,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:16,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:16,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:16,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:16,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:45:16,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:16,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:45:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:16,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:16,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:16,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:16,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:16,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:16,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:16,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:16,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:16,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:16,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:16,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:16,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 08:45:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:16,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:16,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:16,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:16,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:16,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:45:16,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:16,076 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:16,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:16,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:45:16,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:16,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:16,129 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 08:45:16,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [232366973] [2020-09-25 08:45:16,131 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:16,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:45:16,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626118907] [2020-09-25 08:45:16,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:45:16,138 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:16,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:45:16,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:45:16,168 INFO L87 Difference]: Start difference. First operand 245 states and 265 transitions. Second operand 5 states. [2020-09-25 08:45:16,657 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:45:17,331 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:18,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:18,981 INFO L93 Difference]: Finished difference Result 646 states and 746 transitions. [2020-09-25 08:45:18,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:45:18,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 08:45:18,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:18,989 INFO L225 Difference]: With dead ends: 646 [2020-09-25 08:45:18,990 INFO L226 Difference]: Without dead ends: 511 [2020-09-25 08:45:18,992 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 08:45:18,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-09-25 08:45:19,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 444. [2020-09-25 08:45:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-09-25 08:45:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 498 transitions. [2020-09-25 08:45:19,075 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 498 transitions. Word has length 152 [2020-09-25 08:45:19,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:19,076 INFO L479 AbstractCegarLoop]: Abstraction has 444 states and 498 transitions. [2020-09-25 08:45:19,076 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:45:19,077 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 498 transitions. [2020-09-25 08:45:19,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:45:19,079 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:45:19,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:45:19,080 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:45:19,080 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:45:19,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:45:19,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1495197269, now seen corresponding path program 1 times [2020-09-25 08:45:19,081 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:45:19,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [58343234] [2020-09-25 08:45:19,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:45:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:19,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:20,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:20,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:20,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 08:45:24,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:45:24,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 08:45:24,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:45:24,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 08:45:24,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 08:45:24,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:24,480 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:24,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:45:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:45:24,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 08:45:24,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:24,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:45:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:24,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:24,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:24,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:45:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:24,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:24,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:24,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:45:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:24,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:45:24,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:24,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:45:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:45:24,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:45:24,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,634 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:45:24,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:45:24,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:24,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 08:45:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 08:45:24,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:45:24,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:24,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:45:24,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:24,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 08:45:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:24,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:45:24,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:45:24,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:24,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:45:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 08:45:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:45:24,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:45:24,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:45:24,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:45:24,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:45:24,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:45:24,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:45:24,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:45:24,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:45:24,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:45:24,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:45:24,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:45:24,750 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 08:45:24,751 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [58343234] [2020-09-25 08:45:24,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:45:24,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:45:24,752 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386156436] [2020-09-25 08:45:24,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:45:24,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:45:24,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:45:24,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:45:24,753 INFO L87 Difference]: Start difference. First operand 444 states and 498 transitions. Second operand 9 states. [2020-09-25 08:45:25,443 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:26,830 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:27,092 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:45:27,416 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:45:27,720 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:45:28,019 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:45:28,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:45:28,196 INFO L93 Difference]: Finished difference Result 690 states and 804 transitions. [2020-09-25 08:45:28,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 08:45:28,196 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 08:45:28,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:45:28,197 INFO L225 Difference]: With dead ends: 690 [2020-09-25 08:45:28,197 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:45:28,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 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 08:45:28,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:45:28,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:45:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:45:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:45:28,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 08:45:28,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:45:28,203 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:45:28,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:45:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:45:28,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:45:28,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:45:28,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:45:28,400 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:28,569 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:28,739 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:28,872 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 08:45:29,042 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:29,207 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:29,383 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:29,490 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 08:45:29,644 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:29,796 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:29,952 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:30,117 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:30,269 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:30,423 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:30,538 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 7 [2020-09-25 08:45:30,677 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:30,994 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:45:31,233 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 187 [2020-09-25 08:45:31,549 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:45:31,872 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:45:32,025 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:32,179 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:32,335 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:32,489 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:32,641 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:32,791 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:32,944 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:33,092 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:33,245 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:33,400 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:33,553 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:33,707 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:33,855 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:34,007 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:34,160 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:34,316 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:34,469 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:34,617 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:34,769 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:35,021 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:35,176 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:35,332 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:35,485 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:35,637 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:35,790 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:35,938 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:36,093 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:36,249 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:36,404 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:36,666 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:36,822 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:36,975 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:37,148 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:37,310 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:37,466 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:37,787 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:45:38,103 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:45:38,419 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:45:38,737 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 08:45:38,891 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:39,058 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:39,210 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:39,364 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:39,511 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:45:39,663 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:45:40,067 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 08:45:40,262 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 08:45:40,473 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 08:45:40,692 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-25 08:45:40,938 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-25 08:45:41,190 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:45:41,527 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 13 [2020-09-25 08:45:41,743 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22