/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:04:02,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:04:02,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:04:02,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:04:02,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:04:02,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:04:02,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:04:02,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:04:02,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:04:02,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:04:02,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:04:02,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:04:02,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:04:02,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:04:02,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:04:02,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:04:02,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:04:02,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:04:02,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:04:02,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:04:02,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:04:02,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:04:02,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:04:02,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:04:02,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:04:02,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:04:02,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:04:02,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:04:02,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:04:02,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:04:02,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:04:02,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:04:02,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:04:02,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:04:02,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:04:02,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:04:02,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:04:02,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:04:02,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:04:02,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:04:02,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:04:02,996 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 13:04:03,027 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:04:03,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:04:03,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:04:03,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:04:03,029 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:04:03,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:04:03,029 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:04:03,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:04:03,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:04:03,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:04:03,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:04:03,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:04:03,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:04:03,031 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:04:03,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:04:03,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:04:03,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:04:03,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:04:03,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:04:03,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:04:03,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:04:03,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:04:03,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:04:03,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:04:03,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:04:03,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:04:03,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:04:03,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:04:03,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:04:03,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:04:03,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:04:03,487 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:04:03,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:04:03,493 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:04:03,493 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:04:03,494 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-09-25 13:04:03,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c4eaec6c/5cdf245ae0c94fbb9ffa207911c1ab16/FLAG6a8a5a41a [2020-09-25 13:04:04,151 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:04:04,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-09-25 13:04:04,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c4eaec6c/5cdf245ae0c94fbb9ffa207911c1ab16/FLAG6a8a5a41a [2020-09-25 13:04:04,465 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c4eaec6c/5cdf245ae0c94fbb9ffa207911c1ab16 [2020-09-25 13:04:04,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:04:04,487 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:04:04,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:04:04,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:04:04,492 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:04:04,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:04:04" (1/1) ... [2020-09-25 13:04:04,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:04, skipping insertion in model container [2020-09-25 13:04:04,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:04:04" (1/1) ... [2020-09-25 13:04:04,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:04:04,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:04:05,085 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:04:05,099 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:04:05,213 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:04:05,253 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:04:05,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:05 WrapperNode [2020-09-25 13:04:05,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:04:05,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:04:05,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:04:05,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:04:05,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:05" (1/1) ... [2020-09-25 13:04:05,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:05" (1/1) ... [2020-09-25 13:04:05,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:05" (1/1) ... [2020-09-25 13:04:05,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:05" (1/1) ... [2020-09-25 13:04:05,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:05" (1/1) ... [2020-09-25 13:04:05,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:05" (1/1) ... [2020-09-25 13:04:05,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:05" (1/1) ... [2020-09-25 13:04:05,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:04:05,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:04:05,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:04:05,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:04:05,354 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:05" (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 13:04:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:04:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:04:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:04:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:04:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:04:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:04:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:04:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:04:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:04:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 13:04:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:04:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:04:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:04:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:04:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:04:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:04:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:04:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:04:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:04:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:04:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:04:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:04:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:04:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:04:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:04:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:04:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:04:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:04:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:04:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 13:04:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:04:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:04:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:04:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:04:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:04:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:04:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:04:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:04:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:04:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:04:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:04:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:04:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:04:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:04:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:04:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:04:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:04:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:04:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:04:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:04:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 13:04:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:04:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:04:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:04:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:04:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:04:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:04:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:04:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:04:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:04:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:04:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:04:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:04:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:04:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:04:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:04:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:04:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:04:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:04:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:04:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:04:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:04:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:04:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:04:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:04:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:04:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:04:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:04:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:04:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:04:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:04:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:04:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:04:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:04:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 13:04:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:04:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 13:04:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:04:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:04:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:04:06,517 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:04:06,518 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:04:06,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:04:06 BoogieIcfgContainer [2020-09-25 13:04:06,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:04:06,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:04:06,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:04:06,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:04:06,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:04:04" (1/3) ... [2020-09-25 13:04:06,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a50dba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:04:06, skipping insertion in model container [2020-09-25 13:04:06,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:05" (2/3) ... [2020-09-25 13:04:06,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a50dba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:04:06, skipping insertion in model container [2020-09-25 13:04:06,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:04:06" (3/3) ... [2020-09-25 13:04:06,546 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-09-25 13:04:06,558 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:04:06,571 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:04:06,597 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:04:06,647 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:04:06,647 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:04:06,647 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:04:06,648 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:04:06,648 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:04:06,648 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:04:06,649 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:04:06,649 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:04:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-09-25 13:04:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 13:04:06,712 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:04:06,713 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 13:04:06,715 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:04:06,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:04:06,724 INFO L82 PathProgramCache]: Analyzing trace with hash 665140827, now seen corresponding path program 1 times [2020-09-25 13:04:06,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:04:06,736 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1824404606] [2020-09-25 13:04:06,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:04:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:07,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:07,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:08,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:09,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:12,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:12,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 13:04:12,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:04:12,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 13:04:12,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:12,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:12,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:04:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:04:12,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 13:04:12,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 13:04:12,661 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:04:12,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:04:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:12,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:13,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:13,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:04:13,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:13,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-09-25 13:04:13,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:13,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:13,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:04:13,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:13,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:04:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:13,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:13,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:13,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:13,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:13,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:04:13,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:13,150 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:13,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:13,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:13,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:13,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:04:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:13,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:13,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:13,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:13,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:13,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:04:13,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:13,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:13,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:13,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:04:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:13,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:13,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:13,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:13,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:04:13,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:13,182 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:13,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:13,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:04:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:13,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:13,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:13,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:13,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:13,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:04:13,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:13,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:13,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:13,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:13,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:13,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:13,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:04:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:13,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:13,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:13,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:13,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:13,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:13,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:13,205 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:13,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:04:13,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:04:13,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:04:13,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:13,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:04:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:13,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:13,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:13,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:13,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:13,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:13,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:13,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:13,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:04:13,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:04:13,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:04:13,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:13,249 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 13:04:13,250 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1824404606] [2020-09-25 13:04:13,252 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:04:13,252 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:04:13,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300251911] [2020-09-25 13:04:13,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:04:13,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:04:13,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:04:13,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:04:13,283 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 5 states. [2020-09-25 13:04:13,805 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:14,699 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:04:16,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:04:16,743 INFO L93 Difference]: Finished difference Result 670 states and 849 transitions. [2020-09-25 13:04:16,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:04:16,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-25 13:04:16,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:04:16,769 INFO L225 Difference]: With dead ends: 670 [2020-09-25 13:04:16,769 INFO L226 Difference]: Without dead ends: 493 [2020-09-25 13:04:16,776 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:04:16,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-09-25 13:04:16,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 406. [2020-09-25 13:04:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-09-25 13:04:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 463 transitions. [2020-09-25 13:04:16,936 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 463 transitions. Word has length 142 [2020-09-25 13:04:16,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:04:16,937 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 463 transitions. [2020-09-25 13:04:16,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:04:16,937 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 463 transitions. [2020-09-25 13:04:16,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 13:04:16,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:04:16,942 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] [2020-09-25 13:04:16,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:04:16,943 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:04:16,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:04:16,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1630585315, now seen corresponding path program 1 times [2020-09-25 13:04:16,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:04:16,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [355121911] [2020-09-25 13:04:16,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:04:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:17,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:17,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:18,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:18,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:20,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:22,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:22,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 13:04:22,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:04:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 13:04:22,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:22,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:22,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:04:22,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 13:04:22,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 13:04:22,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:22,352 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:04:22,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:04:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:22,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:22,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:22,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:04:22,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:22,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-25 13:04:22,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:22,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:22,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 13:04:22,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:22,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:04:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:22,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:22,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:22,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:22,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:22,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:22,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:22,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:22,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:22,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:22,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:22,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:22,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:04:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:22,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:22,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:22,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:22,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:22,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:22,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:22,678 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:22,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:22,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:22,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:22,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:22,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:04:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:22,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:22,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:22,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:22,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:22,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:04:22,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:22,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:22,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:22,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:22,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:22,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:22,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:04:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:22,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:22,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:22,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:22,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:22,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:22,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:22,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:22,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:22,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:22,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:22,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:22,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 13:04:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:22,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:22,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:22,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:04:22,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:22,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:22,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:22,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:22,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:04:22,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:22,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:04:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:22,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:22,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:22,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:22,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:22,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:04:22,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:22,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:22,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:04:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:22,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:04:22,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:22,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:04:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:22,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:22,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:22,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:22,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:22,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:04:22,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:22,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:22,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:04:22,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:22,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:22,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:22,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 13:04:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:22,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:22,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:22,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:22,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:22,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:04:22,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:22,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:22,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:04:22,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:04:22,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:04:22,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:22,840 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 13:04:22,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [355121911] [2020-09-25 13:04:22,841 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:04:22,841 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 13:04:22,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905687873] [2020-09-25 13:04:22,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 13:04:22,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:04:22,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 13:04:22,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 13:04:22,846 INFO L87 Difference]: Start difference. First operand 406 states and 463 transitions. Second operand 9 states. [2020-09-25 13:04:23,409 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:24,497 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:24,851 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:25,796 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:26,096 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:26,438 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:26,774 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:04:27,108 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:27,547 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:28,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:04:28,919 INFO L93 Difference]: Finished difference Result 1267 states and 1673 transitions. [2020-09-25 13:04:28,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 13:04:28,919 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 13:04:28,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:04:28,931 INFO L225 Difference]: With dead ends: 1267 [2020-09-25 13:04:28,931 INFO L226 Difference]: Without dead ends: 907 [2020-09-25 13:04:28,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 13:04:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2020-09-25 13:04:29,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 633. [2020-09-25 13:04:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-09-25 13:04:29,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 731 transitions. [2020-09-25 13:04:29,077 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 731 transitions. Word has length 151 [2020-09-25 13:04:29,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:04:29,078 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 731 transitions. [2020-09-25 13:04:29,078 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 13:04:29,078 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 731 transitions. [2020-09-25 13:04:29,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-25 13:04:29,082 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:04:29,083 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:04:29,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:04:29,083 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:04:29,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:04:29,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1598410266, now seen corresponding path program 1 times [2020-09-25 13:04:29,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:04:29,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [155380371] [2020-09-25 13:04:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:04:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:29,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:29,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:29,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:32,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:32,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 13:04:32,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:04:32,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3079 [2020-09-25 13:04:32,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:32,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:04:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 13:04:32,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-25 13:04:32,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:32,667 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:04:32,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:04:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:32,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:32,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:32,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:04:32,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:32,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-25 13:04:32,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:32,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:32,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:32,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:32,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 13:04:32,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:32,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:04:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:32,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:32,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:32,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:32,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:32,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:32,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:32,987 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:32,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:32,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:32,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:32,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:32,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:04:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:32,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:32,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:32,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:32,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:32,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:32,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:32,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:32,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:32,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:04:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:32,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:33,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:33,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:33,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:33,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:04:33,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:33,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:33,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:33,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:33,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:33,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:33,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:04:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:33,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:33,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:33,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:33,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:33,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:04:33,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:33,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:33,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:33,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:33,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:33,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:04:33,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:04:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:33,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:33,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:33,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:04:33,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:33,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:04:33,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:33,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:33,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:33,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:33,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:04:33,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:33,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 13:04:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:33,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:33,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:33,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:33,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:04:33,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:04:33,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:04:33,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:33,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:33,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:04:33,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:04:33,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:04:33,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:04:33,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:04:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:33,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:33,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:33,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:33,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:33,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:33,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:33,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:33,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:33,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:33,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:33,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:33,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 13:04:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:33,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:33,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:33,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:33,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:33,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:04:33,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:33,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:33,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:04:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:33,163 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 13:04:33,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [155380371] [2020-09-25 13:04:33,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:04:33,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:04:33,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657470028] [2020-09-25 13:04:33,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:04:33,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:04:33,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:04:33,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:04:33,166 INFO L87 Difference]: Start difference. First operand 633 states and 731 transitions. Second operand 11 states. [2020-09-25 13:04:33,670 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:34,949 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:35,189 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:35,491 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:35,863 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:04:36,156 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:04:36,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:04:36,582 INFO L93 Difference]: Finished difference Result 1217 states and 1504 transitions. [2020-09-25 13:04:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 13:04:36,583 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2020-09-25 13:04:36,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:04:36,584 INFO L225 Difference]: With dead ends: 1217 [2020-09-25 13:04:36,584 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 13:04:36,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-09-25 13:04:36,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 13:04:36,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 13:04:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 13:04:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 13:04:36,588 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-09-25 13:04:36,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:04:36,589 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 13:04:36,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:04:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 13:04:36,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 13:04:36,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:04:36,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 13:04:36,790 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:36,963 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:37,137 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:37,317 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:37,640 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 6 [2020-09-25 13:04:37,799 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:38,165 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:04:38,434 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:38,965 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:04:39,311 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:39,758 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:04:40,022 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:04:40,285 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:04:40,536 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:40,798 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:04:41,051 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:41,571 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:41,898 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:04:42,149 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:42,404 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:42,657 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:42,909 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:43,254 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 13:04:43,670 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:04:44,024 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:04:44,178 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:04:44,331 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:44,488 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:44,642 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:44,791 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:44,935 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:45,093 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:45,350 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:45,609 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 6 [2020-09-25 13:04:45,772 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:45,925 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:46,069 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:46,391 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 13:04:46,713 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 13:04:47,034 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 13:04:47,357 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 13:04:47,677 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2020-09-25 13:04:47,998 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 13:04:48,312 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2020-09-25 13:04:48,451 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:04:48,604 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:48,753 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:48,902 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:49,049 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:49,197 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:04:49,345 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:49,488 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:49,637 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:49,784 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:49,938 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:50,090 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:50,242 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:50,386 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:50,538 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:50,687 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:50,832 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:50,975 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:51,123 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:51,267 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:51,419 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:51,569 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:51,717 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:51,865 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:52,013 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:52,161 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:52,309 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:52,454 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:52,603 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:04:52,752 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:52,905 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:53,067 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:53,215 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:53,359 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:53,508 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:53,669 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:53,813 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:53,966 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:54,119 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:54,271 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:54,420 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:54,572 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:54,721 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:04:54,877 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:55,025 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:55,178 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:55,327 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:55,475 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:04:55,628 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:55,780 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:55,929 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:56,083 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:56,237 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:56,385 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:04:56,538 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:56,691 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:56,844 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:56,992 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:57,140 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:04:57,302 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:57,451 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:57,606 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:57,845 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 9 [2020-09-25 13:04:57,998 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:58,154 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:58,306 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:58,455 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:58,598 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:58,746 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:58,893 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:59,041 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:59,186 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:59,334 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:59,482 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:59,625 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:59,775 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188