/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=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:51:07,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:51:07,418 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:51:07,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:51:07,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:51:07,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:51:07,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:51:07,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:51:07,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:51:07,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:51:07,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:51:07,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:51:07,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:51:07,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:51:07,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:51:07,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:51:07,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:51:07,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:51:07,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:51:07,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:51:07,506 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:51:07,507 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:51:07,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:51:07,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:51:07,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:51:07,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:51:07,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:51:07,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:51:07,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:51:07,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:51:07,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:51:07,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:51:07,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:51:07,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:51:07,529 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:51:07,529 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:51:07,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:51:07,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:51:07,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:51:07,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:51:07,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:51:07,532 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 09:51:07,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:51:07,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:51:07,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:51:07,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:51:07,561 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:51:07,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:51:07,562 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:51:07,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:51:07,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:51:07,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:51:07,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:51:07,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:51:07,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:51:07,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:51:07,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:51:07,564 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:51:07,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:51:07,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:51:07,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:51:07,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:51:07,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:51:07,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:51:07,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:51:07,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:51:07,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:51:07,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:51:07,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:51:07,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:51:07,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:51:07,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 09:51:08,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:51:08,050 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:51:08,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:51:08,057 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:51:08,057 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:51:08,058 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-09-25 09:51:08,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35c99dccc/87fe544bd1ff4019903d0f946a6132b5/FLAG6c6afa556 [2020-09-25 09:51:08,709 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:51:08,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-09-25 09:51:08,726 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35c99dccc/87fe544bd1ff4019903d0f946a6132b5/FLAG6c6afa556 [2020-09-25 09:51:08,999 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/35c99dccc/87fe544bd1ff4019903d0f946a6132b5 [2020-09-25 09:51:09,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:51:09,021 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:51:09,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:51:09,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:51:09,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:51:09,030 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:51:09" (1/1) ... [2020-09-25 09:51:09,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14dc3d5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09, skipping insertion in model container [2020-09-25 09:51:09,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:51:09" (1/1) ... [2020-09-25 09:51:09,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:51:09,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:51:09,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:51:09,525 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:51:09,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:51:09,774 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:51:09,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09 WrapperNode [2020-09-25 09:51:09,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:51:09,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:51:09,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:51:09,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:51:09,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09" (1/1) ... [2020-09-25 09:51:09,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09" (1/1) ... [2020-09-25 09:51:09,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09" (1/1) ... [2020-09-25 09:51:09,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09" (1/1) ... [2020-09-25 09:51:09,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09" (1/1) ... [2020-09-25 09:51:09,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09" (1/1) ... [2020-09-25 09:51:09,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09" (1/1) ... [2020-09-25 09:51:09,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:51:09,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:51:09,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:51:09,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:51:09,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09" (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 09:51:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:51:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:51:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:51:09,971 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:51:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:51:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:51:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:51:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:51:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:51:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:51:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:51:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:51:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:51:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:51:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:51:09,975 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:51:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:51:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:51:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:51:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:51:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:51:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:51:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:51:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:51:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:51:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:51:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:51:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:51:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 09:51:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:51:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:51:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:51:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:51:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:51:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:51:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 09:51:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:51:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:51:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:51:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:51:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:51:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:51:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:51:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:51:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:51:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:51:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:51:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:51:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:51:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:51:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:51:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:51:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:51:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:51:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:51:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:51:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:51:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:51:09,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:51:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:51:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:51:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:51:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:51:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:51:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:51:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:51:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:51:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:51:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:51:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:51:09,985 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:51:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:51:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:51:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:51:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:51:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:51:09,986 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:51:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:51:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:51:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:51:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:51:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 09:51:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:51:09,987 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:51:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 09:51:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:51:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 09:51:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:51:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:51:09,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:51:11,119 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:51:11,119 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:51:11,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:51:11 BoogieIcfgContainer [2020-09-25 09:51:11,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:51:11,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:51:11,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:51:11,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:51:11,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:51:09" (1/3) ... [2020-09-25 09:51:11,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f90bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:51:11, skipping insertion in model container [2020-09-25 09:51:11,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:09" (2/3) ... [2020-09-25 09:51:11,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26f90bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:51:11, skipping insertion in model container [2020-09-25 09:51:11,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:51:11" (3/3) ... [2020-09-25 09:51:11,135 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2020-09-25 09:51:11,146 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:51:11,157 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:51:11,176 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:51:11,203 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:51:11,203 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:51:11,203 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:51:11,203 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:51:11,203 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:51:11,203 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:51:11,204 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:51:11,204 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:51:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states. [2020-09-25 09:51:11,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:51:11,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:11,250 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 09:51:11,251 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:11,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:11,258 INFO L82 PathProgramCache]: Analyzing trace with hash -769040823, now seen corresponding path program 1 times [2020-09-25 09:51:11,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:11,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576074456] [2020-09-25 09:51:11,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:11,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:11,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:13,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:14,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:16,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:16,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:51:16,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:51:16,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 09:51:16,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:16,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:16,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:51:16,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:51:16,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 09:51:16,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 09:51:17,304 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:17,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:17,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-09-25 09:51:17,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:51:17,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:17,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:51:17,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:17,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:17,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:17,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:17,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:17,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:51:17,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:17,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 24 [2020-09-25 09:51:17,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:17,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:51:17,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:17,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:17,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:17,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:51:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:17,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:17,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:17,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:17,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:17,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 09:51:17,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:17,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:17,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:51:17,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:17,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:17,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:18,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:51:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:18,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:18,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:18,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:18,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:18,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 09:51:18,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:18,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:18,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:18,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:18,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:18,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 09:51:18,107 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 09:51:18,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576074456] [2020-09-25 09:51:18,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:18,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:51:18,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967682] [2020-09-25 09:51:18,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:51:18,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:18,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:51:18,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:51:18,152 INFO L87 Difference]: Start difference. First operand 289 states. Second operand 8 states. [2020-09-25 09:51:18,857 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:51:19,925 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:20,243 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:51:20,653 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:21,077 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:21,395 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:21,781 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:22,095 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:23,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:23,810 INFO L93 Difference]: Finished difference Result 551 states and 683 transitions. [2020-09-25 09:51:23,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 09:51:23,812 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:51:23,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:23,832 INFO L225 Difference]: With dead ends: 551 [2020-09-25 09:51:23,833 INFO L226 Difference]: Without dead ends: 383 [2020-09-25 09:51:23,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 09:51:23,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-09-25 09:51:23,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 338. [2020-09-25 09:51:23,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-09-25 09:51:23,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 382 transitions. [2020-09-25 09:51:23,990 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 382 transitions. Word has length 142 [2020-09-25 09:51:23,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:23,992 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 382 transitions. [2020-09-25 09:51:23,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:51:23,992 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 382 transitions. [2020-09-25 09:51:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 09:51:23,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:23,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:51:23,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:51:24,000 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:24,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:24,000 INFO L82 PathProgramCache]: Analyzing trace with hash 454962212, now seen corresponding path program 1 times [2020-09-25 09:51:24,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:24,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668702393] [2020-09-25 09:51:24,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:24,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:24,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:25,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:29,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:29,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 09:51:29,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:51:29,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 09:51:29,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:29,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:51:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:51:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 09:51:29,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:29,444 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:29,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:29,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:29,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:29,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:29,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:29,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-09-25 09:51:29,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:29,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:29,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:51:29,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:29,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:29,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:29,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:29,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:29,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:29,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:29,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:29,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:29,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:29,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:29,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:29,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:29,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:29,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:29,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:29,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:29,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:29,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:29,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:29,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:29,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:29,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:29,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:29,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:29,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:51:29,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:29,768 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:29,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:29,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:29,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:29,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:29,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:29,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:29,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:29,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:29,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:29,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:29,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 09:51:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:29,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:29,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:29,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:29,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:29,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:51:29,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:29,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:29,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:29,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:29,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:51:29,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:29,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 09:51:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:29,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:29,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:29,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:29,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:29,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:29,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:29,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:29,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:29,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 09:51:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:29,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:29,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:29,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:29,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:29,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:29,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:29,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:29,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:29,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:29,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:29,836 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 09:51:29,837 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668702393] [2020-09-25 09:51:29,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:29,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 09:51:29,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506400448] [2020-09-25 09:51:29,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 09:51:29,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:29,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 09:51:29,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 09:51:29,841 INFO L87 Difference]: Start difference. First operand 338 states and 382 transitions. Second operand 5 states. [2020-09-25 09:51:30,388 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:51:32,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:32,564 INFO L93 Difference]: Finished difference Result 870 states and 1066 transitions. [2020-09-25 09:51:32,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 09:51:32,564 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 09:51:32,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:32,572 INFO L225 Difference]: With dead ends: 870 [2020-09-25 09:51:32,573 INFO L226 Difference]: Without dead ends: 642 [2020-09-25 09:51:32,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:51:32,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2020-09-25 09:51:32,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 545. [2020-09-25 09:51:32,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2020-09-25 09:51:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 631 transitions. [2020-09-25 09:51:32,690 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 631 transitions. Word has length 148 [2020-09-25 09:51:32,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:32,691 INFO L479 AbstractCegarLoop]: Abstraction has 545 states and 631 transitions. [2020-09-25 09:51:32,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 09:51:32,691 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 631 transitions. [2020-09-25 09:51:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 09:51:32,696 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:32,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:51:32,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:51:32,697 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:32,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:32,697 INFO L82 PathProgramCache]: Analyzing trace with hash 121120648, now seen corresponding path program 1 times [2020-09-25 09:51:32,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:32,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591398524] [2020-09-25 09:51:32,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:32,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:32,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:33,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:37,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:37,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 09:51:37,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:51:37,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-25 09:51:37,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:37,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:37,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:51:37,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:51:37,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 09:51:37,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:38,167 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:38,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:38,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:38,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:38,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:38,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:38,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-09-25 09:51:38,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:38,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:38,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:38,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:51:38,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:38,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:38,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:38,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:38,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:38,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:38,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:38,510 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:38,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:38,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:38,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:38,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:38,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:38,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:38,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:38,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:38,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:38,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:38,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:38,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:38,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:38,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:38,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:38,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:38,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:38,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:38,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:51:38,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:38,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:38,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:38,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:38,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:38,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:38,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:38,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:38,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:38,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:38,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:38,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:38,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:38,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:38,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:38,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 09:51:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:38,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:38,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:38,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:38,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:38,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:38,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:38,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:38,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:38,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 09:51:38,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:38,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:38,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 09:51:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:38,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:38,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:38,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 09:51:38,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:38,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:38,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:38,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:38,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:38,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 09:51:38,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:38,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:38,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:51:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:38,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:38,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:38,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:38,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:38,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 09:51:38,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:38,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:38,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:38,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:38,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:38,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 09:51:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:38,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:38,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:38,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:38,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:38,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:38,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:38,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:38,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:38,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:38,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:38,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:38,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 09:51:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:38,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:38,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:38,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:38,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:38,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:38,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:38,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:38,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:38,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:38,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:38,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:38,623 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 09:51:38,623 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591398524] [2020-09-25 09:51:38,624 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:38,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 09:51:38,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083396160] [2020-09-25 09:51:38,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 09:51:38,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:38,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 09:51:38,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 09:51:38,626 INFO L87 Difference]: Start difference. First operand 545 states and 631 transitions. Second operand 6 states. [2020-09-25 09:51:39,281 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:40,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:40,222 INFO L93 Difference]: Finished difference Result 880 states and 1066 transitions. [2020-09-25 09:51:40,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 09:51:40,223 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-25 09:51:40,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:40,227 INFO L225 Difference]: With dead ends: 880 [2020-09-25 09:51:40,228 INFO L226 Difference]: Without dead ends: 424 [2020-09-25 09:51:40,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:51:40,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-09-25 09:51:40,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 397. [2020-09-25 09:51:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-25 09:51:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 432 transitions. [2020-09-25 09:51:40,297 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 432 transitions. Word has length 156 [2020-09-25 09:51:40,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:40,298 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 432 transitions. [2020-09-25 09:51:40,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 09:51:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 432 transitions. [2020-09-25 09:51:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-25 09:51:40,301 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:40,301 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 09:51:40,301 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:51:40,301 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:40,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:40,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1031176059, now seen corresponding path program 1 times [2020-09-25 09:51:40,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:40,302 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458834727] [2020-09-25 09:51:40,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:40,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:40,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:41,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:42,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:45,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:45,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 09:51:45,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:51:45,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 09:51:45,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:45,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:45,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:51:45,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:51:45,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-25 09:51:45,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:45,718 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:45,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:45,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:45,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:45,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:45,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:45,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-09-25 09:51:45,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:45,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:45,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:45,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:45,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:51:45,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:46,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:46,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:46,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:46,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:46,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:46,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:46,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:51:46,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:46,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:46,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:46,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:46,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 09:51:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:46,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:51:46,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:51:46,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 09:51:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:46,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:51:46,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:51:46,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:51:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:51:46,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:51:46,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 09:51:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:46,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:46,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:46,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:46,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 09:51:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:46,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:51:46,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:51:46,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:46,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,196 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 09:51:46,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458834727] [2020-09-25 09:51:46,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:46,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 09:51:46,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370308564] [2020-09-25 09:51:46,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 09:51:46,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:46,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 09:51:46,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 09:51:46,199 INFO L87 Difference]: Start difference. First operand 397 states and 432 transitions. Second operand 11 states. [2020-09-25 09:51:46,738 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:51:48,013 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:48,343 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:48,670 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:49,054 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:51:49,363 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:49,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:49,835 INFO L93 Difference]: Finished difference Result 471 states and 535 transitions. [2020-09-25 09:51:49,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 09:51:49,836 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2020-09-25 09:51:49,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:49,838 INFO L225 Difference]: With dead ends: 471 [2020-09-25 09:51:49,838 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 09:51:49,840 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-09-25 09:51:49,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 09:51:49,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 09:51:49,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 09:51:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 09:51:49,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-09-25 09:51:49,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:49,841 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 09:51:49,841 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 09:51:49,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 09:51:49,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 09:51:49,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 09:51:49,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 09:51:50,088 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:50,256 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:50,434 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:50,603 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:50,880 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 19 [2020-09-25 09:51:51,045 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:51,376 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 09:51:51,719 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 09:51:52,045 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 09:51:52,387 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 09:51:52,728 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 09:51:52,891 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:53,053 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:53,233 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:53,395 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:53,580 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 17 [2020-09-25 09:51:53,749 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:53,902 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:54,066 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:54,225 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:54,378 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:54,540 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:54,692 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:54,852 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:55,006 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:55,164 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:55,322 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:55,479 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:55,636 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:55,795 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:55,959 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:56,117 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:56,275 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:56,428 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:56,591 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191