/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=BIGGEST --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 [2020-09-24 20:15:10,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:15:10,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:15:10,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:15:10,417 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:15:10,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:15:10,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:15:10,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:15:10,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:15:10,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:15:10,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:15:10,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:15:10,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:15:10,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:15:10,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:15:10,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:15:10,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:15:10,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:15:10,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:15:10,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:15:10,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:15:10,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:15:10,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:15:10,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:15:10,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:15:10,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:15:10,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:15:10,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:15:10,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:15:10,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:15:10,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:15:10,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:15:10,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:15:10,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:15:10,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:15:10,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:15:10,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:15:10,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:15:10,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:15:10,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:15:10,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:15:10,491 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 [2020-09-24 20:15:10,540 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:15:10,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:15:10,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:15:10,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:15:10,543 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:15:10,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:15:10,543 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:15:10,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:15:10,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:15:10,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:15:10,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:15:10,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:15:10,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:15:10,546 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:15:10,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:15:10,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:15:10,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:15:10,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:15:10,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:15:10,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:15:10,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:15:10,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:15:10,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:15:10,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:15:10,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:15:10,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:15:10,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:15:10,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:15:10,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:15:10,549 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:15:11,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:15:11,029 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:15:11,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:15:11,036 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:15:11,037 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:15:11,038 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-09-24 20:15:11,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbdf1a51d/5fd11a12d6914498bc10a600dc41b89e/FLAG753377784 [2020-09-24 20:15:11,758 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:15:11,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product16.cil.c [2020-09-24 20:15:11,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbdf1a51d/5fd11a12d6914498bc10a600dc41b89e/FLAG753377784 [2020-09-24 20:15:12,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dbdf1a51d/5fd11a12d6914498bc10a600dc41b89e [2020-09-24 20:15:12,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:15:12,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:15:12,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:15:12,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:15:12,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:15:12,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:15:12" (1/1) ... [2020-09-24 20:15:12,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c56d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12, skipping insertion in model container [2020-09-24 20:15:12,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:15:12" (1/1) ... [2020-09-24 20:15:12,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:15:12,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:15:12,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:15:12,653 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:15:12,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:15:12,819 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:15:12,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12 WrapperNode [2020-09-24 20:15:12,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:15:12,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:15:12,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:15:12,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:15:12,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12" (1/1) ... [2020-09-24 20:15:12,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12" (1/1) ... [2020-09-24 20:15:12,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12" (1/1) ... [2020-09-24 20:15:12,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12" (1/1) ... [2020-09-24 20:15:12,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12" (1/1) ... [2020-09-24 20:15:12,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12" (1/1) ... [2020-09-24 20:15:12,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12" (1/1) ... [2020-09-24 20:15:12,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:15:12,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:15:12,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:15:12,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:15:12,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12" (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 [2020-09-24 20:15:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:15:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:15:13,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:15:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:15:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:15:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:15:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:15:13,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:15:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:15:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:15:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:15:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:15:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:15:13,023 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:15:13,023 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:15:13,023 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:15:13,023 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:15:13,023 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:15:13,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:15:13,024 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:15:13,024 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:15:13,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:15:13,025 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:15:13,025 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:15:13,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:15:13,025 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:15:13,025 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 20:15:13,025 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:15:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-24 20:15:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:15:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:15:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:15:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:15:13,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:15:13,027 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 20:15:13,027 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:15:13,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:15:13,027 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:15:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:15:13,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:15:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:15:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:15:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:15:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:15:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:15:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:15:13,028 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:15:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:15:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:15:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:15:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:15:13,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:15:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:15:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:15:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:15:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:15:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:15:13,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:15:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:15:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:15:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:15:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:15:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:15:13,031 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:15:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:15:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:15:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:15:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:15:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:15:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:15:13,032 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:15:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:15:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:15:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:15:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:15:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:15:13,033 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:15:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:15:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:15:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:15:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 20:15:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:15:13,034 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:15:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:15:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 20:15:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:15:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-24 20:15:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:15:13,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:15:13,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:15:14,119 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:15:14,120 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:15:14,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:15:14 BoogieIcfgContainer [2020-09-24 20:15:14,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:15:14,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:15:14,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:15:14,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:15:14,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:15:12" (1/3) ... [2020-09-24 20:15:14,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc7de42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:15:14, skipping insertion in model container [2020-09-24 20:15:14,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:12" (2/3) ... [2020-09-24 20:15:14,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bc7de42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:15:14, skipping insertion in model container [2020-09-24 20:15:14,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:15:14" (3/3) ... [2020-09-24 20:15:14,138 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2020-09-24 20:15:14,150 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:15:14,163 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:15:14,186 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:15:14,217 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:15:14,218 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:15:14,218 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:15:14,218 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:15:14,218 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:15:14,218 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:15:14,218 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:15:14,218 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:15:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states. [2020-09-24 20:15:14,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 20:15:14,263 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:14,265 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] [2020-09-24 20:15:14,266 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:14,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:14,274 INFO L82 PathProgramCache]: Analyzing trace with hash -769040823, now seen corresponding path program 1 times [2020-09-24 20:15:14,285 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:14,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449165621] [2020-09-24 20:15:14,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:14,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:15,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:16,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:17,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:19,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:19,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 20:15:19,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:15:19,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-24 20:15:19,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:19,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:15:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:15:19,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-24 20:15:19,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:15:20,128 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:20,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:20,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:20,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:20,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:20,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:20,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 330 [2020-09-24 20:15:20,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:20,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:20,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:20,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:15:20,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:20,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:20,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:20,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:20,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:20,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:20,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:15:20,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:20,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:20,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:20,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:20,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:20,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:20,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:20,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:20,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:20,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:20,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:15:20,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:20,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:20,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:20,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:20,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:20,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:20,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:20,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:20,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:20,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:15:20,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:20,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:20,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:20,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:20,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:20,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:20,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:20,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:20,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:20,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:20,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:20,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:15:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:20,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:20,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:20,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:20,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:20,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:15:20,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:20,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 20:15:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:20,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:20,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:20,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:20,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:20,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:20,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:20,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:20,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:20,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449165621] [2020-09-24 20:15:20,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:20,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:15:20,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336364628] [2020-09-24 20:15:20,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:15:20,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:20,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:15:20,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:15:20,935 INFO L87 Difference]: Start difference. First operand 289 states. Second operand 8 states. [2020-09-24 20:15:21,609 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:22,535 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:22,817 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:23,214 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:23,624 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:23,945 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:24,310 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:24,590 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:26,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:26,261 INFO L93 Difference]: Finished difference Result 551 states and 683 transitions. [2020-09-24 20:15:26,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:15:26,263 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 20:15:26,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:26,284 INFO L225 Difference]: With dead ends: 551 [2020-09-24 20:15:26,284 INFO L226 Difference]: Without dead ends: 383 [2020-09-24 20:15:26,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:15:26,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2020-09-24 20:15:26,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 338. [2020-09-24 20:15:26,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-09-24 20:15:26,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 382 transitions. [2020-09-24 20:15:26,423 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 382 transitions. Word has length 142 [2020-09-24 20:15:26,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:26,424 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 382 transitions. [2020-09-24 20:15:26,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:15:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 382 transitions. [2020-09-24 20:15:26,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 20:15:26,430 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:26,430 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] [2020-09-24 20:15:26,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:15:26,431 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:26,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:26,432 INFO L82 PathProgramCache]: Analyzing trace with hash 454962212, now seen corresponding path program 1 times [2020-09-24 20:15:26,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:26,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633648394] [2020-09-24 20:15:26,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:26,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:26,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:27,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:31,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:31,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 20:15:31,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:15:31,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 20:15:31,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:31,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:15:31,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 20:15:31,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 20:15:31,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:31,831 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:31,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:31,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:31,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:32,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:32,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:32,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:32,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-24 20:15:32,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:32,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:32,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:32,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 20:15:32,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:32,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:32,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:32,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:32,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:32,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:32,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:32,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:32,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:32,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:32,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:32,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:32,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:32,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:32,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:32,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:32,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:32,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:32,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:32,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:32,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:32,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:32,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:32,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:32,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:32,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:32,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:15:32,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:32,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:32,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:32,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:32,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:32,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:32,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:32,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:32,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:32,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:32,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:32,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 20:15:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:32,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:32,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:32,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:15:32,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:32,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:32,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:32,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:32,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 20:15:32,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:32,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:32,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 20:15:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:32,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:32,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:32,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:32,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:32,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:32,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:32,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:32,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:32,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:32,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:32,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 20:15:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:32,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:32,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:32,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:32,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:32,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:32,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:32,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:32,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:32,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:32,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:32,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633648394] [2020-09-24 20:15:32,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:32,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 20:15:32,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423552207] [2020-09-24 20:15:32,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 20:15:32,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:32,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 20:15:32,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 20:15:32,333 INFO L87 Difference]: Start difference. First operand 338 states and 382 transitions. Second operand 5 states. [2020-09-24 20:15:32,861 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:15:33,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:33,556 INFO L93 Difference]: Finished difference Result 526 states and 627 transitions. [2020-09-24 20:15:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 20:15:33,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 20:15:33,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:33,561 INFO L225 Difference]: With dead ends: 526 [2020-09-24 20:15:33,561 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 20:15:33,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:15:33,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 20:15:33,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 264. [2020-09-24 20:15:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-09-24 20:15:33,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 282 transitions. [2020-09-24 20:15:33,606 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 282 transitions. Word has length 148 [2020-09-24 20:15:33,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:33,606 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 282 transitions. [2020-09-24 20:15:33,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 20:15:33,607 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 282 transitions. [2020-09-24 20:15:33,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 20:15:33,609 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:33,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:15:33,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:15:33,610 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:33,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:33,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1000183946, now seen corresponding path program 1 times [2020-09-24 20:15:33,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:33,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922787761] [2020-09-24 20:15:33,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:33,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:35,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:35,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:38,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:38,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 20:15:38,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:15:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-09-24 20:15:38,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:38,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 20:15:38,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:15:38,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-24 20:15:38,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:39,046 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:39,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:39,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:39,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:39,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:39,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:39,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 224 [2020-09-24 20:15:39,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:39,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:39,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:39,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:15:39,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:39,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:39,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:39,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:39,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:39,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:39,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:39,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:39,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:39,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:39,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:39,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:39,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:39,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:39,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:39,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:39,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:39,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:39,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:39,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:39,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:39,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:39,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:15:39,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:39,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:39,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:39,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:39,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:39,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:39,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:39,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:39,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:39,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 20:15:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:39,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:39,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:39,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:15:39,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:39,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:15:39,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:39,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:39,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:15:39,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:15:39,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:39,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:15:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:39,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:39,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:15:39,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:39,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:15:39,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:39,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:39,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:15:39,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:15:39,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 20:15:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:39,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:39,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:39,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:39,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:39,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:15:39,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:39,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:39,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:39,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 20:15:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:39,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:39,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:39,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:39,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:39,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:39,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:39,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:39,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:39,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:39,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:39,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922787761] [2020-09-24 20:15:39,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:39,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 20:15:39,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860969670] [2020-09-24 20:15:39,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 20:15:39,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:39,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 20:15:39,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-24 20:15:39,669 INFO L87 Difference]: Start difference. First operand 264 states and 282 transitions. Second operand 13 states. [2020-09-24 20:15:40,151 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:41,563 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-24 20:15:42,188 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-24 20:15:42,487 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:42,786 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:15:43,077 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:43,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:43,541 INFO L93 Difference]: Finished difference Result 412 states and 475 transitions. [2020-09-24 20:15:43,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 20:15:43,542 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 161 [2020-09-24 20:15:43,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:43,544 INFO L225 Difference]: With dead ends: 412 [2020-09-24 20:15:43,544 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 20:15:43,546 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2020-09-24 20:15:43,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 20:15:43,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 20:15:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 20:15:43,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 20:15:43,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 20:15:43,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:43,547 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 20:15:43,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 20:15:43,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 20:15:43,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 20:15:43,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:15:43,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 20:15:43,797 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:43,973 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:44,176 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:44,337 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:44,677 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:44,834 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:45,176 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:45,342 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:45,505 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:45,683 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:45,842 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:46,004 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:46,171 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:46,325 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:46,484 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:46,639 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:46,791 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:46,944 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:47,098 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:47,256 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:47,411 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:47,580 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:47,733 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:47,895 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:48,056 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:48,216 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:48,374 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:48,526 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:48,686 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:48,843 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:48,999 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:49,138 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:49,300 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:49,454 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:49,607 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:49,760 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:49,914 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:50,072 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:50,225 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:50,385 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:50,537 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:50,696 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:50,848 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:51,006 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:51,160 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:51,313 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:51,470 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:51,628 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:51,786 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:51,943 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:52,096 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:52,412 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:52,566 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:52,884 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:53,044 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:53,203 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:53,355 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:53,513 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:53,672 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:53,826 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:54,069 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:54,229 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:54,387 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:54,540 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:54,693 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:54,846 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:55,015 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:55,186 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:55,508 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:15:55,662 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:55,978 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:56,131 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:56,284 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:56,607 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:15:56,760 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:57,083 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:15:57,399 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:15:57,559 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:57,720 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:57,881 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:58,033 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:58,196 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:58,363 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:58,532 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:15:58,689 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:58,843 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:58,996 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:59,149 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:59,303 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:59,457 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:59,612 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:15:59,770 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:59,927 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:00,086 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:00,559 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:16:00,951 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 20:16:01,167 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:01,389 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:01,617 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:02,079 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:16:02,423 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 20:16:02,637 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:16:03,046 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 20:16:03,324 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:03,795 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 20:16:04,000 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:16:04,426 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 20:16:04,858 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 20:16:05,083 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:05,501 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13