/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:16:45,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:16:45,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:16:45,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:16:45,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:16:45,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:16:45,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:16:45,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:16:45,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:16:45,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:16:45,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:16:45,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:16:45,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:16:45,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:16:45,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:16:45,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:16:45,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:16:45,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:16:45,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:16:45,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:16:45,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:16:45,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:16:45,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:16:45,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:16:45,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:16:45,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:16:45,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:16:45,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:16:45,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:16:45,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:16:45,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:16:45,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:16:45,931 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:16:45,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:16:45,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:16:45,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:16:45,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:16:45,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:16:45,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:16:45,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:16:45,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:16:45,939 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 05:16:45,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:16:45,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:16:45,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:16:45,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:16:45,985 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:16:45,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:16:45,985 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:16:45,986 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:16:45,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:16:45,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:16:45,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:16:45,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:16:45,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:16:45,988 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:16:45,988 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:16:45,988 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:16:45,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:16:45,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:16:45,989 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:16:45,989 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:16:45,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:16:45,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:16:45,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:16:45,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:16:45,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:16:45,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:16:45,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:16:45,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:16:45,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:16:45,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:16:46,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:16:46,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:16:46,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:16:46,473 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:16:46,474 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:16:46,475 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 05:16:46,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8726e2da5/39828819446c4e6186ccb8a2f92bb396/FLAGeeebf6e7c [2020-09-25 05:16:47,195 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:16:47,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 05:16:47,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8726e2da5/39828819446c4e6186ccb8a2f92bb396/FLAGeeebf6e7c [2020-09-25 05:16:47,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8726e2da5/39828819446c4e6186ccb8a2f92bb396 [2020-09-25 05:16:47,478 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:16:47,484 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:16:47,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:16:47,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:16:47,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:16:47,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:16:47" (1/1) ... [2020-09-25 05:16:47,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:47, skipping insertion in model container [2020-09-25 05:16:47,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:16:47" (1/1) ... [2020-09-25 05:16:47,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:16:47,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:16:47,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:16:47,959 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:16:48,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:16:48,247 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:16:48,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:48 WrapperNode [2020-09-25 05:16:48,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:16:48,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:16:48,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:16:48,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:16:48,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:48" (1/1) ... [2020-09-25 05:16:48,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:48" (1/1) ... [2020-09-25 05:16:48,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:48" (1/1) ... [2020-09-25 05:16:48,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:48" (1/1) ... [2020-09-25 05:16:48,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:48" (1/1) ... [2020-09-25 05:16:48,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:48" (1/1) ... [2020-09-25 05:16:48,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:48" (1/1) ... [2020-09-25 05:16:48,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:16:48,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:16:48,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:16:48,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:16:48,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:48" (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 05:16:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:16:48,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:16:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:16:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:16:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:16:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:16:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:16:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:16:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:16:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:16:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:16:48,440 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:16:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:16:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:16:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:16:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:16:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:16:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:16:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:16:48,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 05:16:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:16:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:16:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:16:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:16:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:16:48,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:16:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:16:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:16:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 05:16:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:16:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:16:48,444 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:16:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:16:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:16:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:16:48,445 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:16:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:16:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:16:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:16:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:16:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:16:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:16:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:16:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:16:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:16:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:16:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:16:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:16:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:16:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:16:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:16:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:16:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:16:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:16:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:16:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:16:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:16:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:16:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:16:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:16:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 05:16:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:16:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:16:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:16:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:16:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:16:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:16:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:16:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:16:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:16:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:16:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:16:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:16:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:16:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:16:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:16:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:16:48,452 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:16:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:16:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:16:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:16:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 05:16:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:16:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:16:48,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:16:48,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:16:49,642 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:16:49,642 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:16:49,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:16:49 BoogieIcfgContainer [2020-09-25 05:16:49,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:16:49,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:16:49,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:16:49,660 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:16:49,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:16:47" (1/3) ... [2020-09-25 05:16:49,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693208fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:16:49, skipping insertion in model container [2020-09-25 05:16:49,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:16:48" (2/3) ... [2020-09-25 05:16:49,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693208fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:16:49, skipping insertion in model container [2020-09-25 05:16:49,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:16:49" (3/3) ... [2020-09-25 05:16:49,665 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-09-25 05:16:49,675 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:16:49,686 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:16:49,708 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:16:49,738 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:16:49,739 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:16:49,739 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:16:49,739 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:16:49,739 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:16:49,739 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:16:49,740 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:16:49,740 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:16:49,770 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2020-09-25 05:16:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 05:16:49,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:16:49,790 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 05:16:49,791 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:16:49,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:16:49,798 INFO L82 PathProgramCache]: Analyzing trace with hash 915241318, now seen corresponding path program 1 times [2020-09-25 05:16:49,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:16:49,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1829680473] [2020-09-25 05:16:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:16:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:50,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:50,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:51,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:53,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:55,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:55,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 05:16:55,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:16:55,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 05:16:55,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:55,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 05:16:55,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:55,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 05:16:55,766 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:16:55,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:16:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:55,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:55,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:55,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:16:55,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:55,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 05:16:55,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:55,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:55,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:55,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:16:56,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:16:56,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:56,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:56,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:56,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:56,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:56,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:16:56,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:56,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:56,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:16:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:56,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:56,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:56,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:56,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:56,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:16:56,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:56,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:56,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:56,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:56,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:56,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:16:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:56,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:56,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:56,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:56,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:56,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:16:56,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:56,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:56,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:56,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:56,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:56,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:56,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:16:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:56,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:56,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:56,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:16:56,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:56,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:16:56,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:56,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:56,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:56,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:16:56,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:56,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:56,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 05:16:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:56,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:56,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:56,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:56,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:56,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:16:56,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:56,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:16:56,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:56,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:56,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:16:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:56,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:56,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:16:56,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:16:56,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:16:56,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:16:56,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:16:56,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:16:56,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:16:56,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:16:56,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:16:56,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:16:56,180 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 05:16:56,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1829680473] [2020-09-25 05:16:56,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:16:56,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 05:16:56,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440647989] [2020-09-25 05:16:56,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 05:16:56,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:16:56,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 05:16:56,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:16:56,228 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 3 states. [2020-09-25 05:16:57,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:16:57,575 INFO L93 Difference]: Finished difference Result 415 states and 498 transitions. [2020-09-25 05:16:57,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 05:16:57,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 05:16:57,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:16:57,599 INFO L225 Difference]: With dead ends: 415 [2020-09-25 05:16:57,599 INFO L226 Difference]: Without dead ends: 265 [2020-09-25 05:16:57,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 05:16:57,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-25 05:16:57,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 224. [2020-09-25 05:16:57,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-25 05:16:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 242 transitions. [2020-09-25 05:16:57,722 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 242 transitions. Word has length 142 [2020-09-25 05:16:57,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:16:57,723 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 242 transitions. [2020-09-25 05:16:57,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 05:16:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 242 transitions. [2020-09-25 05:16:57,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 05:16:57,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:16:57,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:16:57,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:16:57,730 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:16:57,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:16:57,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1890758001, now seen corresponding path program 1 times [2020-09-25 05:16:57,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:16:57,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394861447] [2020-09-25 05:16:57,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:16:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:16:57,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:57,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:59,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:16:59,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:01,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:02,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:02,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 05:17:02,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:17:02,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 05:17:02,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:02,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:02,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:02,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 05:17:02,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:17:02,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,079 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:17:03,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:17:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:17:03,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-25 05:17:03,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:17:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:03,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:17:03,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:17:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:03,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:17:03,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:17:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:03,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:17:03,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:17:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:03,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:17:03,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:03,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 05:17:03,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:03,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:17:03,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:17:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 05:17:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:03,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:03,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:03,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:03,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:03,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:17:03,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:03,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:17:03,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:03,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:03,363 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 05:17:03,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394861447] [2020-09-25 05:17:03,364 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:17:03,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:17:03,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078811886] [2020-09-25 05:17:03,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:17:03,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:17:03,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:17:03,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:17:03,371 INFO L87 Difference]: Start difference. First operand 224 states and 242 transitions. Second operand 4 states. [2020-09-25 05:17:04,015 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:17:04,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:17:04,745 INFO L93 Difference]: Finished difference Result 326 states and 365 transitions. [2020-09-25 05:17:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 05:17:04,745 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 05:17:04,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:17:04,749 INFO L225 Difference]: With dead ends: 326 [2020-09-25 05:17:04,749 INFO L226 Difference]: Without dead ends: 248 [2020-09-25 05:17:04,751 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:17:04,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-25 05:17:04,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 214. [2020-09-25 05:17:04,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-09-25 05:17:04,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 229 transitions. [2020-09-25 05:17:04,790 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 229 transitions. Word has length 143 [2020-09-25 05:17:04,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:17:04,791 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 229 transitions. [2020-09-25 05:17:04,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:17:04,791 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 229 transitions. [2020-09-25 05:17:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 05:17:04,794 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:17:04,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:17:04,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:17:04,795 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:17:04,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:17:04,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1574962431, now seen corresponding path program 1 times [2020-09-25 05:17:04,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:17:04,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939464812] [2020-09-25 05:17:04,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:17:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:04,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:05,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:05,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:09,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:09,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 05:17:09,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:17:09,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 05:17:09,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:09,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:17:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 05:17:09,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 05:17:09,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:10,222 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:17:10,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:17:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:10,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:10,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:10,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:17:10,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 229 [2020-09-25 05:17:10,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:10,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 05:17:10,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:10,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:17:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:10,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:10,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:10,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:10,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:10,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:17:10,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:10,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:10,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:10,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:17:10,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:10,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:17:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:10,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:10,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:10,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:10,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:10,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:17:10,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:10,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:10,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:10,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:10,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:17:10,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:10,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:17:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:10,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:10,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:10,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:10,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:10,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 05:17:10,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:10,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:10,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:17:10,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:10,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:17:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:10,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:10,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:10,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:10,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:10,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:17:10,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:10,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:10,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:10,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:10,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:17:10,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:10,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 05:17:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:10,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:10,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:10,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:10,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:10,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:17:10,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:10,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:10,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:10,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:17:10,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:10,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:10,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 05:17:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:10,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:10,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:10,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:10,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:10,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:17:10,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:10,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:10,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:17:10,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:10,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:10,658 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 05:17:10,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939464812] [2020-09-25 05:17:10,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:17:10,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:17:10,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750382885] [2020-09-25 05:17:10,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:17:10,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:17:10,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:17:10,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:17:10,664 INFO L87 Difference]: Start difference. First operand 214 states and 229 transitions. Second operand 5 states. [2020-09-25 05:17:11,150 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:11,993 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:17:13,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:17:13,408 INFO L93 Difference]: Finished difference Result 549 states and 632 transitions. [2020-09-25 05:17:13,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:17:13,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 05:17:13,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:17:13,415 INFO L225 Difference]: With dead ends: 549 [2020-09-25 05:17:13,415 INFO L226 Difference]: Without dead ends: 445 [2020-09-25 05:17:13,423 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:17:13,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-09-25 05:17:13,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 382. [2020-09-25 05:17:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-09-25 05:17:13,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 426 transitions. [2020-09-25 05:17:13,554 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 426 transitions. Word has length 152 [2020-09-25 05:17:13,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:17:13,555 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 426 transitions. [2020-09-25 05:17:13,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:17:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 426 transitions. [2020-09-25 05:17:13,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 05:17:13,557 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:17:13,558 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] [2020-09-25 05:17:13,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:17:13,558 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:17:13,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:17:13,559 INFO L82 PathProgramCache]: Analyzing trace with hash 446639774, now seen corresponding path program 1 times [2020-09-25 05:17:13,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:17:13,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510279539] [2020-09-25 05:17:13,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:17:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:13,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:14,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:14,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:15,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:18,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:18,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 05:17:18,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:17:18,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 05:17:18,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:18,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:17:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 05:17:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 05:17:18,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:17:19,017 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:17:19,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:17:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:19,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:19,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:19,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 05:17:19,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:19,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 05:17:19,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:19,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:19,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:19,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:19,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:19,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 05:17:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:19,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:19,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:19,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:19,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:19,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:17:19,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:19,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:19,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 05:17:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:19,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:19,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:19,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:19,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:19,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:17:19,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:19,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:19,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:19,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:19,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:19,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 05:17:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:19,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:19,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:19,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:19,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:19,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:17:19,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:19,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:19,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:19,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 05:17:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:19,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:19,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:19,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:19,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:19,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:17:19,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:19,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:19,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:17:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:17:19,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 05:17:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:19,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:19,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:19,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:19,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 05:17:19,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 05:17:19,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 05:17:19,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:19,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:19,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:17:19,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:19,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:17:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:19,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:19,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:19,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:17:19,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:19,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:17:19,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:19,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:17:19,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:19,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:17:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:19,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:19,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:19,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:19,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:19,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:17:19,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:19,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:17:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:19,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:17:19,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:19,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:17:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:17:19,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:17:19,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:17:19,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:17:19,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:17:19,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:17:19,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:17:19,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:17:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 05:17:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:17:19,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:17:19,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:17:19,394 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 05:17:19,395 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510279539] [2020-09-25 05:17:19,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:17:19,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 05:17:19,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695336483] [2020-09-25 05:17:19,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 05:17:19,397 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:17:19,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 05:17:19,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 05:17:19,398 INFO L87 Difference]: Start difference. First operand 382 states and 426 transitions. Second operand 9 states. [2020-09-25 05:17:19,964 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:21,091 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:17:21,433 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 05:17:21,774 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:22,107 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:17:22,418 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:22,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:17:22,542 INFO L93 Difference]: Finished difference Result 618 states and 718 transitions. [2020-09-25 05:17:22,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 05:17:22,544 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 05:17:22,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:17:22,547 INFO L225 Difference]: With dead ends: 618 [2020-09-25 05:17:22,547 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:17:22,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 05:17:22,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:17:22,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:17:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:17:22,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:17:22,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2020-09-25 05:17:22,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:17:22,557 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:17:22,558 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 05:17:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:17:22,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:17:22,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:17:22,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:17:22,760 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:22,924 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:23,083 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:23,238 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:23,393 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:23,551 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:23,705 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:23,859 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:24,115 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:24,438 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:24,762 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:25,003 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:25,110 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 05:17:25,215 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 05:17:25,365 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:25,514 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:25,653 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:17:25,802 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:25,957 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:26,108 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:26,253 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:26,403 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:26,556 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:26,701 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:26,857 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:27,006 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:27,151 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:27,300 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:27,451 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:27,595 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:27,743 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:27,893 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:28,041 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:28,191 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:28,339 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:28,488 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:28,633 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:28,783 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:28,930 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:29,078 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:29,326 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:29,471 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:29,618 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:29,770 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:29,931 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:30,038 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 05:17:30,193 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:30,338 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:30,494 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:30,641 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:30,881 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:31,197 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:31,516 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 05:17:31,750 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2020-09-25 05:17:32,012 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:32,160 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:32,318 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:32,469 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:32,619 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:32,763 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 05:17:32,912 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 05:17:33,350 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 05:17:33,523 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:33,920 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 05:17:34,125 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-25 05:17:34,519 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-25 05:17:34,761 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:34,966 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:35,227 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 05:17:35,601 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 05:17:35,792 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:17:35,961 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:17:36,289 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 05:17:36,687 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 05:17:36,876 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:17:37,086 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 05:17:37,329 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 05:17:37,559 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20