/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --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_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:08:57,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:08:57,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:08:57,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:08:57,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:08:57,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:08:57,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:08:58,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:08:58,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:08:58,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:08:58,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:08:58,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:08:58,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:08:58,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:08:58,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:08:58,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:08:58,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:08:58,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:08:58,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:08:58,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:08:58,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:08:58,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:08:58,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:08:58,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:08:58,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:08:58,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:08:58,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:08:58,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:08:58,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:08:58,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:08:58,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:08:58,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:08:58,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:08:58,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:08:58,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:08:58,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:08:58,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:08:58,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:08:58,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:08:58,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:08:58,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:08:58,036 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 04:08:58,062 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:08:58,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:08:58,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:08:58,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:08:58,065 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:08:58,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:08:58,065 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:08:58,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:08:58,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:08:58,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:08:58,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:08:58,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:08:58,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:08:58,066 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:08:58,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:08:58,067 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:08:58,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:08:58,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:08:58,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:08:58,068 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:08:58,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:08:58,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:08:58,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:08:58,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:08:58,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:08:58,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:08:58,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:08:58,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:08:58,070 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:08:58,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:08:58,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:08:58,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:08:58,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:08:58,589 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:08:58,589 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:08:58,591 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-09-25 04:08:58,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61b804aad/bc6caddbac714a148abfcaad965b16c2/FLAG3167e82d6 [2020-09-25 04:08:59,312 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:08:59,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-09-25 04:08:59,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61b804aad/bc6caddbac714a148abfcaad965b16c2/FLAG3167e82d6 [2020-09-25 04:08:59,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/61b804aad/bc6caddbac714a148abfcaad965b16c2 [2020-09-25 04:08:59,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:08:59,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:08:59,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:08:59,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:08:59,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:08:59,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:08:59" (1/1) ... [2020-09-25 04:08:59,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2970dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:08:59, skipping insertion in model container [2020-09-25 04:08:59,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:08:59" (1/1) ... [2020-09-25 04:08:59,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:08:59,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:09:00,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:09:00,267 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:09:00,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:09:00,412 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:09:00,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:09:00 WrapperNode [2020-09-25 04:09:00,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:09:00,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:09:00,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:09:00,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:09:00,434 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:09:00" (1/1) ... [2020-09-25 04:09:00,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:09:00" (1/1) ... [2020-09-25 04:09:00,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:09:00" (1/1) ... [2020-09-25 04:09:00,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:09:00" (1/1) ... [2020-09-25 04:09:00,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:09:00" (1/1) ... [2020-09-25 04:09:00,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:09:00" (1/1) ... [2020-09-25 04:09:00,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:09:00" (1/1) ... [2020-09-25 04:09:00,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:09:00,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:09:00,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:09:00,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:09:00,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:09:00" (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 04:09:00,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:09:00,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:09:00,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:09:00,639 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:09:00,639 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:09:00,640 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:09:00,640 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:09:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:09:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:09:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:09:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:09:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:09:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:09:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:09:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:09:00,643 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:09:00,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:09:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:09:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:09:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:09:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:09:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:09:00,645 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:09:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:09:00,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:09:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:09:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 04:09:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:09:00,647 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 04:09:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:09:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:09:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:09:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:09:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:09:00,648 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 04:09:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:09:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 04:09:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:09:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:09:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:09:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:09:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:09:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:09:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:09:00,652 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:09:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:09:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:09:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:09:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:09:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:09:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:09:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:09:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:09:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:09:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:09:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:09:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:09:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:09:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:09:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:09:00,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:09:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:09:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:09:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:09:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:09:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:09:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:09:00,658 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:09:00,659 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:09:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:09:00,660 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:09:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:09:00,661 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:09:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:09:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:09:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:09:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:09:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:09:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:09:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:09:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 04:09:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:09:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 04:09:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:09:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 04:09:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:09:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 04:09:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:09:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:09:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:09:01,853 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:09:01,853 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:09:01,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:09:01 BoogieIcfgContainer [2020-09-25 04:09:01,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:09:01,865 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:09:01,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:09:01,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:09:01,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:08:59" (1/3) ... [2020-09-25 04:09:01,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256a7951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:09:01, skipping insertion in model container [2020-09-25 04:09:01,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:09:00" (2/3) ... [2020-09-25 04:09:01,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256a7951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:09:01, skipping insertion in model container [2020-09-25 04:09:01,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:09:01" (3/3) ... [2020-09-25 04:09:01,875 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2020-09-25 04:09:01,888 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:09:01,898 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:09:01,919 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:09:01,948 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:09:01,949 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:09:01,949 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:09:01,949 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:09:01,949 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:09:01,949 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:09:01,950 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:09:01,950 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:09:01,978 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states. [2020-09-25 04:09:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 04:09:01,995 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:09:01,996 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 04:09:01,997 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:09:02,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:09:02,003 INFO L82 PathProgramCache]: Analyzing trace with hash -769040823, now seen corresponding path program 1 times [2020-09-25 04:09:02,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:09:02,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52562194] [2020-09-25 04:09:02,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:09:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:02,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:02,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:04,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:05,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:07,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:07,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 04:09:07,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:09:07,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 04:09:07,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:07,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 04:09:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:07,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:09:07,969 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:09:07,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:09:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:08,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:08,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:08,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:09:08,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 04:09:08,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:08,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:08,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:08,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:08,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:09:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:08,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:08,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:08,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:08,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:08,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:08,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:08,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:08,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:08,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:08,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:08,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:08,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:09:08,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:08,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:08,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:08,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:08,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:08,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:08,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:08,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:08,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:08,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:08,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:09:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:08,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:08,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:08,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:08,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:08,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:09:08,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:08,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:08,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:08,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:08,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:09:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:08,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:08,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:08,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:08,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:08,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:08,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:08,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:08,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:09:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:08,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:08,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:08,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:08,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:08,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:08,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:08,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:09:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:08,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:09:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:08,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:08,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:08,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:08,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:08,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:09:08,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:08,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:08,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:08,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:09:08,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:08,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:08,262 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 04:09:08,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52562194] [2020-09-25 04:09:08,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:09:08,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 04:09:08,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872707994] [2020-09-25 04:09:08,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 04:09:08,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:09:08,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 04:09:08,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:09:08,296 INFO L87 Difference]: Start difference. First operand 289 states. Second operand 3 states. [2020-09-25 04:09:09,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:09:09,769 INFO L93 Difference]: Finished difference Result 424 states and 508 transitions. [2020-09-25 04:09:09,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 04:09:09,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 04:09:09,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:09:09,791 INFO L225 Difference]: With dead ends: 424 [2020-09-25 04:09:09,792 INFO L226 Difference]: Without dead ends: 270 [2020-09-25 04:09:09,798 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:09:09,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-09-25 04:09:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 228. [2020-09-25 04:09:09,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-09-25 04:09:09,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 246 transitions. [2020-09-25 04:09:09,941 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 246 transitions. Word has length 142 [2020-09-25 04:09:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:09:09,946 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 246 transitions. [2020-09-25 04:09:09,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 04:09:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 246 transitions. [2020-09-25 04:09:09,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 04:09:09,954 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:09:09,954 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 04:09:09,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:09:09,956 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:09:09,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:09:09,956 INFO L82 PathProgramCache]: Analyzing trace with hash -957291699, now seen corresponding path program 1 times [2020-09-25 04:09:09,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:09:09,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006904638] [2020-09-25 04:09:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:09:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:10,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:10,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:11,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:12,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:13,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:15,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:15,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 04:09:15,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:09:15,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 04:09:15,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:15,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:09:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 04:09:15,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:09:15,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:15,391 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:09:15,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:09:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:15,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:15,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:15,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:09:15,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:15,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-09-25 04:09:15,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:15,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:15,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:15,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:15,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:09:15,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:15,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:15,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:15,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:15,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:15,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:09:15,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:15,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:15,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:15,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:09:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:15,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:15,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:15,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:15,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:15,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:09:15,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:15,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:15,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:15,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:15,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:15,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:15,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:09:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:15,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:15,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:15,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:15,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:15,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:09:15,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:15,570 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:15,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:15,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:15,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:15,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:09:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:15,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:15,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:15,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:15,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:09:15,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:15,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:09:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:15,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:15,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:15,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:15,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:15,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:15,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:09:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:15,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:15,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:09:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:15,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:15,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:15,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:15,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:15,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:15,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:09:15,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:15,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:15,619 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 04:09:15,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006904638] [2020-09-25 04:09:15,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:09:15,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:09:15,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407976185] [2020-09-25 04:09:15,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:09:15,624 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:09:15,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:09:15,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:09:15,625 INFO L87 Difference]: Start difference. First operand 228 states and 246 transitions. Second operand 4 states. [2020-09-25 04:09:16,254 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:09:17,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:09:17,050 INFO L93 Difference]: Finished difference Result 331 states and 371 transitions. [2020-09-25 04:09:17,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 04:09:17,051 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 04:09:17,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:09:17,055 INFO L225 Difference]: With dead ends: 331 [2020-09-25 04:09:17,056 INFO L226 Difference]: Without dead ends: 253 [2020-09-25 04:09:17,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:09:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-09-25 04:09:17,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 218. [2020-09-25 04:09:17,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-25 04:09:17,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 233 transitions. [2020-09-25 04:09:17,105 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 233 transitions. Word has length 143 [2020-09-25 04:09:17,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:09:17,106 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 233 transitions. [2020-09-25 04:09:17,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:09:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 233 transitions. [2020-09-25 04:09:17,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 04:09:17,109 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:09:17,109 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] [2020-09-25 04:09:17,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:09:17,109 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:09:17,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:09:17,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1898419565, now seen corresponding path program 1 times [2020-09-25 04:09:17,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:09:17,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1125401447] [2020-09-25 04:09:17,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:09:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:17,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:17,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:18,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:19,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:22,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:22,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 04:09:22,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:09:22,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 04:09:22,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:22,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:22,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:09:22,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 04:09:22,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:09:22,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:22,420 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:09:22,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:09:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:22,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:22,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:22,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:09:22,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:22,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-09-25 04:09:22,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:22,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:22,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:22,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:22,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:22,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:22,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:09:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:22,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:22,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:22,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:22,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:22,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:09:22,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:22,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:22,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:22,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:09:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:22,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:22,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:22,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:22,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:22,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:09:22,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:22,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:22,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:22,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:22,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:22,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:09:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:22,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:22,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:22,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:22,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:22,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:09:22,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:22,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:22,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:22,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:22,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:22,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:09:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:22,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:22,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:22,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:22,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:22,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:22,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:22,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:22,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:22,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:09:22,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 04:09:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:22,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:22,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:22,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:09:22,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:22,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:09:22,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:22,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:09:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:22,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:09:22,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:22,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:09:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:22,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:22,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:22,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:22,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:22,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:22,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:22,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:09:22,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:22,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:22,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:09:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:22,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:22,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:22,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:22,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:22,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:09:22,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:22,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:22,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:09:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:22,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:22,667 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 04:09:22,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1125401447] [2020-09-25 04:09:22,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:09:22,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:09:22,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43931625] [2020-09-25 04:09:22,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:09:22,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:09:22,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:09:22,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:09:22,674 INFO L87 Difference]: Start difference. First operand 218 states and 233 transitions. Second operand 5 states. [2020-09-25 04:09:23,354 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:25,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:09:25,004 INFO L93 Difference]: Finished difference Result 500 states and 580 transitions. [2020-09-25 04:09:25,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:09:25,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 04:09:25,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:09:25,015 INFO L225 Difference]: With dead ends: 500 [2020-09-25 04:09:25,016 INFO L226 Difference]: Without dead ends: 392 [2020-09-25 04:09:25,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:09:25,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2020-09-25 04:09:25,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 316. [2020-09-25 04:09:25,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-09-25 04:09:25,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 347 transitions. [2020-09-25 04:09:25,125 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 347 transitions. Word has length 156 [2020-09-25 04:09:25,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:09:25,126 INFO L479 AbstractCegarLoop]: Abstraction has 316 states and 347 transitions. [2020-09-25 04:09:25,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:09:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 347 transitions. [2020-09-25 04:09:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:09:25,128 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:09:25,128 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 04:09:25,129 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:09:25,129 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:09:25,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:09:25,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1641670536, now seen corresponding path program 1 times [2020-09-25 04:09:25,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:09:25,130 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [166638392] [2020-09-25 04:09:25,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:09:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:25,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:26,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:26,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:28,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:30,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:30,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 04:09:30,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:09:30,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 04:09:30,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:30,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:30,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:09:30,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-09-25 04:09:30,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-25 04:09:30,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:09:30,561 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:09:30,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:09:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:30,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:30,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:30,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:09:30,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:30,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 150 [2020-09-25 04:09:30,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:30,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:30,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:30,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:30,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:30,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:30,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:09:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:30,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:30,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:30,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:30,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:30,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:09:30,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:30,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:30,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:30,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:30,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:30,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:30,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:09:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:30,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:30,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:30,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:30,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:30,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:09:30,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:30,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:30,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:30,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:30,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:30,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:09:30,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:09:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:30,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:30,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:30,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:30,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:30,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:09:30,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:30,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:30,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:30,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:30,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:09:30,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:09:30,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:30,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:30,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:30,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:09:30,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:30,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:09:30,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:30,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:30,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:30,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:30,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:30,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:30,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 04:09:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:30,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:30,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:30,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 04:09:30,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:30,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:09:30,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:30,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:09:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:09:30,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:30,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 04:09:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:30,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:30,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:30,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:30,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:30,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:09:30,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:30,839 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:30,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:09:30,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:30,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:09:30,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:30,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 04:09:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:09:30,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:09:30,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:09:30,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:09:30,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:09:30,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:09:30,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:09:30,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:09:30,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:09:30,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:09:30,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:09:30,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:09:30,905 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 04:09:30,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [166638392] [2020-09-25 04:09:30,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:09:30,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:09:30,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274846511] [2020-09-25 04:09:30,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:09:30,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:09:30,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:09:30,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:09:30,908 INFO L87 Difference]: Start difference. First operand 316 states and 347 transitions. Second operand 9 states. [2020-09-25 04:09:31,369 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:32,524 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:32,855 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:09:33,161 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:33,495 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:09:33,800 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:09:34,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:09:34,026 INFO L93 Difference]: Finished difference Result 515 states and 600 transitions. [2020-09-25 04:09:34,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 04:09:34,027 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 04:09:34,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:09:34,029 INFO L225 Difference]: With dead ends: 515 [2020-09-25 04:09:34,030 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 04:09:34,032 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 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 04:09:34,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 04:09:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 04:09:34,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 04:09:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 04:09:34,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 04:09:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:09:34,037 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 04:09:34,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:09:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 04:09:34,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 04:09:34,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:09:34,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 04:09:34,227 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:09:34,386 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:34,544 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:34,711 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:34,879 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:35,034 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:35,192 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:35,442 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 6 [2020-09-25 04:09:35,596 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:35,749 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:35,996 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:09:36,241 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:09:36,485 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:09:36,720 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 04:09:36,826 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:09:36,975 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:37,121 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:37,430 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:09:37,729 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:09:38,029 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 04:09:38,168 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:09:38,319 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:38,463 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:38,612 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:38,763 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:38,914 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:39,060 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:39,210 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:39,357 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:39,508 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:39,667 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:39,816 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:39,964 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:40,114 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:40,263 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:40,412 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:40,561 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:40,706 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:40,854 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:41,003 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:41,153 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:41,298 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:41,448 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:41,593 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:41,703 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 04:09:41,859 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:42,102 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:09:42,347 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:09:42,590 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 04:09:42,824 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 04:09:42,976 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:43,127 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:43,272 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:43,420 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:43,570 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:43,919 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:44,078 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:44,226 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:44,375 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:09:44,518 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:09:44,982 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 04:09:45,211 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:09:45,428 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:09:45,646 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:09:46,086 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 04:09:46,504 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 04:09:46,724 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:09:46,916 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 8 [2020-09-25 04:09:47,184 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:09:47,400 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:09:47,752 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11 [2020-09-25 04:09:47,976 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 04:09:48,364 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 04:09:48,604 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 04:09:48,991 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 8 [2020-09-25 04:09:49,199 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1