/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:15:08,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:15:08,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:15:08,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:15:08,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:15:08,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:15:08,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:15:08,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:15:08,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:15:08,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:15:08,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:15:08,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:15:08,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:15:08,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:15:08,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:15:08,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:15:08,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:15:08,275 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:15:08,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:15:08,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:15:08,281 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:15:08,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:15:08,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:15:08,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:15:08,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:15:08,287 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:15:08,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:15:08,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:15:08,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:15:08,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:15:08,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:15:08,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:15:08,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:15:08,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:15:08,294 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:15:08,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:15:08,295 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:15:08,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:15:08,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:15:08,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:15:08,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:15:08,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 04:15:08,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:15:08,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:15:08,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:15:08,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:15:08,340 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:15:08,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:15:08,340 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:15:08,340 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:15:08,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:15:08,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:15:08,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:15:08,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:15:08,341 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:15:08,342 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:15:08,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:15:08,342 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:15:08,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:15:08,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:15:08,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:15:08,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:15:08,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:15:08,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:15:08,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:15:08,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:15:08,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:15:08,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:15:08,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:15:08,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:15:08,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:15:08,345 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:15:08,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:15:08,860 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:15:08,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:15:08,867 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:15:08,867 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:15:08,868 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-25 04:15:08,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d18f64b35/ac485afb6589462d9514e30164340451/FLAG08ba12b06 [2020-09-25 04:15:09,586 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:15:09,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-25 04:15:09,608 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d18f64b35/ac485afb6589462d9514e30164340451/FLAG08ba12b06 [2020-09-25 04:15:09,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d18f64b35/ac485afb6589462d9514e30164340451 [2020-09-25 04:15:09,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:15:09,892 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:15:09,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:15:09,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:15:09,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:15:09,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:15:09" (1/1) ... [2020-09-25 04:15:09,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:09, skipping insertion in model container [2020-09-25 04:15:09,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:15:09" (1/1) ... [2020-09-25 04:15:09,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:15:09,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:15:10,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:15:10,520 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:15:10,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:15:10,691 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:15:10,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:10 WrapperNode [2020-09-25 04:15:10,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:15:10,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:15:10,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:15:10,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:15:10,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:10" (1/1) ... [2020-09-25 04:15:10,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:10" (1/1) ... [2020-09-25 04:15:10,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:10" (1/1) ... [2020-09-25 04:15:10,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:10" (1/1) ... [2020-09-25 04:15:10,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:10" (1/1) ... [2020-09-25 04:15:10,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:10" (1/1) ... [2020-09-25 04:15:10,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:10" (1/1) ... [2020-09-25 04:15:10,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:15:10,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:15:10,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:15:10,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:15:10,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:15:10,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:15:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:15:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:15:10,951 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:15:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:15:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:15:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 04:15:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:15:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 04:15:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:15:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:15:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:15:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:15:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:15:10,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:15:10,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 04:15:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:15:10,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:15:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:15:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:15:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:15:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:15:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:15:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:15:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:15:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:15:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:15:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:15:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:15:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:15:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:15:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:15:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:15:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:15:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 04:15:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:15:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:15:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:15:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:15:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:15:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:15:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:15:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:15:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:15:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:15:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:15:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:15:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:15:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:15:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:15:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:15:10,964 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:15:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 04:15:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:15:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:15:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:15:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:15:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:15:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:15:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 04:15:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 04:15:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:15:10,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:15:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:15:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 04:15:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 04:15:10,967 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 04:15:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:15:10,968 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 04:15:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:15:10,969 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:15:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:15:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 04:15:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:15:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:15:10,971 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:15:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:15:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:15:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:15:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:15:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:15:10,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:15:10,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:15:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:15:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:15:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:15:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:15:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:15:10,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:15:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:15:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:15:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:15:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:15:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:15:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:15:10,975 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:15:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:15:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:15:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:15:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:15:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:15:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:15:10,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:15:10,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:15:12,330 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:15:12,330 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:15:12,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:15:12 BoogieIcfgContainer [2020-09-25 04:15:12,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:15:12,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:15:12,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:15:12,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:15:12,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:15:09" (1/3) ... [2020-09-25 04:15:12,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b11d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:15:12, skipping insertion in model container [2020-09-25 04:15:12,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:15:10" (2/3) ... [2020-09-25 04:15:12,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b11d87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:15:12, skipping insertion in model container [2020-09-25 04:15:12,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:15:12" (3/3) ... [2020-09-25 04:15:12,349 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-09-25 04:15:12,360 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:15:12,372 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:15:12,395 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:15:12,426 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:15:12,427 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:15:12,427 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:15:12,427 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:15:12,427 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:15:12,427 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:15:12,427 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:15:12,428 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:15:12,459 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2020-09-25 04:15:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 04:15:12,478 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:12,480 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:15:12,480 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:12,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:12,489 INFO L82 PathProgramCache]: Analyzing trace with hash -593535945, now seen corresponding path program 1 times [2020-09-25 04:15:12,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:12,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1260392187] [2020-09-25 04:15:12,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:13,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:13,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:14,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:15,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:17,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 04:15:18,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:15:18,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5119 [2020-09-25 04:15:18,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 04:15:18,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 04:15:18,517 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:18,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:18,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-09-25 04:15:18,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:15:18,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:18,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:15:18,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:15:18,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:18,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:18,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:18,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:18,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:15:18,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:18,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:18,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:18,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:18,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:18,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:18,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:18,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:15:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:18,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:18,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:15:18,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:18,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:18,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:18,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:18,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 04:15:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:18,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:18,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:18,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:18,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:15:18,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:18,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:18,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:18,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:18,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:18,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:18,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:18,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:18,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:18,900 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:15:18,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1260392187] [2020-09-25 04:15:18,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:18,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:15:18,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765547036] [2020-09-25 04:15:18,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:15:18,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:18,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:15:18,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:15:18,938 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 4 states. [2020-09-25 04:15:20,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:20,562 INFO L93 Difference]: Finished difference Result 589 states and 690 transitions. [2020-09-25 04:15:20,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 04:15:20,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 04:15:20,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:20,592 INFO L225 Difference]: With dead ends: 589 [2020-09-25 04:15:20,593 INFO L226 Difference]: Without dead ends: 362 [2020-09-25 04:15:20,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:15:20,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-09-25 04:15:20,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 312. [2020-09-25 04:15:20,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-09-25 04:15:20,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 342 transitions. [2020-09-25 04:15:20,758 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 342 transitions. Word has length 160 [2020-09-25 04:15:20,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:20,759 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 342 transitions. [2020-09-25 04:15:20,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:15:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 342 transitions. [2020-09-25 04:15:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 04:15:20,765 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:20,765 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:15:20,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:15:20,766 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:20,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:20,767 INFO L82 PathProgramCache]: Analyzing trace with hash 151672551, now seen corresponding path program 1 times [2020-09-25 04:15:20,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:20,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523377047] [2020-09-25 04:15:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:20,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:21,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:22,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:23,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:24,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:25,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:25,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 04:15:25,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:15:25,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 04:15:25,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:25,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:25,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 04:15:25,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:15:25,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:26,269 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:26,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:26,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:26,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:26,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:26,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-09-25 04:15:26,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:26,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:26,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:26,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:26,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:26,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:26,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:26,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:26,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:26,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:26,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:26,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:26,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:26,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:26,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:15:26,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:26,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:26,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:26,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:26,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:26,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:26,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:26,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:26,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:26,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:26,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:26,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:26,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:26,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:26,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:26,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:26,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:26,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:26,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:26,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:26,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:26,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:26,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:26,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:26,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:26,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:26,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:26,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:26,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:26,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:26,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:26,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:26,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:26,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:26,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:15:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:26,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:26,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:26,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:26,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:15:26,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:26,628 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:26,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:26,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 04:15:26,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:26,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:26,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:26,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:26,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:26,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:26,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:26,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:26,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:26,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:26,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:26,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:26,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 04:15:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:26,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:26,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:26,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:26,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:26,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:26,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:26,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:26,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:26,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:26,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:26,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:15:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:26,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:26,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:26,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:26,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:26,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:26,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:26,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:26,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:26,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:26,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:15:26,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523377047] [2020-09-25 04:15:26,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:26,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:15:26,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779403125] [2020-09-25 04:15:26,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:15:26,727 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:26,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:15:26,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:15:26,728 INFO L87 Difference]: Start difference. First operand 312 states and 342 transitions. Second operand 5 states. [2020-09-25 04:15:27,594 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:28,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:28,891 INFO L93 Difference]: Finished difference Result 514 states and 582 transitions. [2020-09-25 04:15:28,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:15:28,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 04:15:28,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:28,895 INFO L225 Difference]: With dead ends: 514 [2020-09-25 04:15:28,896 INFO L226 Difference]: Without dead ends: 351 [2020-09-25 04:15:28,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:15:28,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-09-25 04:15:28,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 302. [2020-09-25 04:15:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-09-25 04:15:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 329 transitions. [2020-09-25 04:15:28,950 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 329 transitions. Word has length 161 [2020-09-25 04:15:28,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:28,951 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 329 transitions. [2020-09-25 04:15:28,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:15:28,951 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 329 transitions. [2020-09-25 04:15:28,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 04:15:28,954 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:28,954 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:15:28,954 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:15:28,954 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:28,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:28,955 INFO L82 PathProgramCache]: Analyzing trace with hash 530344647, now seen corresponding path program 1 times [2020-09-25 04:15:28,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:28,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436754027] [2020-09-25 04:15:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:29,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:29,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:29,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:31,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 04:15:34,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:15:34,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 04:15:34,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:34,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 04:15:34,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 04:15:34,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,294 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:34,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:34,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 04:15:34,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:34,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:34,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:34,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:34,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:34,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:34,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:34,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:34,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:34,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:34,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:34,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:34,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:34,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:15:34,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:34,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:34,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:34,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:34,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:34,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:34,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:34,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:34,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:34,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:34,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:34,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:34,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:34,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:34,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:15:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:34,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:34,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:34,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:15:34,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:15:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:34,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:15:34,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:34,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 04:15:34,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:34,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:34,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:34,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 04:15:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:34,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:34,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:34,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 04:15:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:34,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:34,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:34,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:34,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:34,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:34,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:34,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:34,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:34,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:34,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:15:34,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436754027] [2020-09-25 04:15:34,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:34,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 04:15:34,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003993983] [2020-09-25 04:15:34,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 04:15:34,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:34,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 04:15:34,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 04:15:34,549 INFO L87 Difference]: Start difference. First operand 302 states and 329 transitions. Second operand 6 states. [2020-09-25 04:15:35,207 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:15:36,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:36,357 INFO L93 Difference]: Finished difference Result 561 states and 647 transitions. [2020-09-25 04:15:36,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 04:15:36,358 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 04:15:36,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:36,361 INFO L225 Difference]: With dead ends: 561 [2020-09-25 04:15:36,361 INFO L226 Difference]: Without dead ends: 374 [2020-09-25 04:15:36,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:15:36,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-09-25 04:15:36,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 302. [2020-09-25 04:15:36,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-09-25 04:15:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 328 transitions. [2020-09-25 04:15:36,407 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 328 transitions. Word has length 174 [2020-09-25 04:15:36,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:36,408 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 328 transitions. [2020-09-25 04:15:36,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 04:15:36,408 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 328 transitions. [2020-09-25 04:15:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-25 04:15:36,411 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:36,411 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:15:36,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:15:36,412 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:36,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:36,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1028091402, now seen corresponding path program 1 times [2020-09-25 04:15:36,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:36,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66652372] [2020-09-25 04:15:36,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:36,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:36,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:36,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:37,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:39,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:39,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:39,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:41,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:41,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-09-25 04:15:41,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 04:15:41,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 04:15:41,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:41,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 186 [2020-09-25 04:15:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:15:41,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:41,841 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:41,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:41,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:41,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:41,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:41,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:41,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 04:15:41,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:41,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:41,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:41,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:41,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:42,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:42,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:42,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:42,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:42,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:42,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:42,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:42,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:42,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:15:42,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:42,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:42,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:42,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:42,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:42,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:42,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:42,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:42,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:15:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:42,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:42,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:42,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:42,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:15:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:42,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:42,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:42,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:42,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:42,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:42,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:42,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:42,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:42,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:15:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 04:15:42,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:15:42,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 04:15:42,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 04:15:42,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:15:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 04:15:42,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:15:42,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:15:42,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:15:42,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:15:42,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:15:42,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:15:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:15:42,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:15:42,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:42,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:42,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:42,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:42,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:42,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 04:15:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:42,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:42,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:42,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-25 04:15:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:42,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:42,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:42,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:42,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:42,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:42,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:42,245 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:42,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:15:42,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:42,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 04:15:42,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66652372] [2020-09-25 04:15:42,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:42,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 04:15:42,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658476118] [2020-09-25 04:15:42,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 04:15:42,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:42,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 04:15:42,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-25 04:15:42,321 INFO L87 Difference]: Start difference. First operand 302 states and 328 transitions. Second operand 9 states. [2020-09-25 04:15:42,903 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:15:45,338 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:15:46,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:15:46,420 INFO L93 Difference]: Finished difference Result 769 states and 911 transitions. [2020-09-25 04:15:46,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 04:15:46,421 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 192 [2020-09-25 04:15:46,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:15:46,427 INFO L225 Difference]: With dead ends: 769 [2020-09-25 04:15:46,427 INFO L226 Difference]: Without dead ends: 582 [2020-09-25 04:15:46,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-09-25 04:15:46,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-09-25 04:15:46,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 444. [2020-09-25 04:15:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-09-25 04:15:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 479 transitions. [2020-09-25 04:15:46,491 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 479 transitions. Word has length 192 [2020-09-25 04:15:46,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:15:46,491 INFO L479 AbstractCegarLoop]: Abstraction has 444 states and 479 transitions. [2020-09-25 04:15:46,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 04:15:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 479 transitions. [2020-09-25 04:15:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-25 04:15:46,495 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:15:46,495 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:15:46,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:15:46,495 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:15:46,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:15:46,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1796704782, now seen corresponding path program 1 times [2020-09-25 04:15:46,496 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:15:46,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [964343064] [2020-09-25 04:15:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:15:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:46,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:46,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:46,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:47,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:48,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:51,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:51,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-09-25 04:15:51,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 04:15:51,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 04:15:51,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:51,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:51,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:15:51,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 191 [2020-09-25 04:15:51,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 04:15:51,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:51,892 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:15:51,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:51,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:51,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:51,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 04:15:51,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:51,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 04:15:51,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:51,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:51,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:51,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 04:15:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:52,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:52,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:52,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 04:15:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:52,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:52,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:52,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 04:15:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:52,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:52,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:52,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 04:15:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:52,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:52,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:52,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 04:15:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:52,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:52,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:52,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 04:15:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:15:52,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:52,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:52,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:15:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 04:15:52,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:52,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:52,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:52,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:15:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:52,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:15:52,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:52,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 04:15:52,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 57 [2020-09-25 04:15:52,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 04:15:52,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 161 [2020-09-25 04:15:52,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 04:15:52,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 04:15:52,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:15:52,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-09-25 04:15:52,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:15:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:15:52,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:15:52,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:15:52,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:15:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:15:52,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:15:52,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:15:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:15:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:15:52,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:52,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,421 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:15:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:15:52,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:15:52,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:15:52,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:15:52,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:15:52,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-25 04:15:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:52,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:15:52,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:15:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-25 04:15:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:15:52,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:15:52,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:15:52,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:15:52,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:15:52,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:15:52,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:15:52,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:15:52,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:15:52,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:15:52,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:15:52,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:15:52,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 04:15:52,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [964343064] [2020-09-25 04:15:52,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:15:52,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 04:15:52,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816901083] [2020-09-25 04:15:52,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 04:15:52,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:15:52,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 04:15:52,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 04:15:52,526 INFO L87 Difference]: Start difference. First operand 444 states and 479 transitions. Second operand 11 states. [2020-09-25 04:15:53,119 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:15:54,222 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:15:54,539 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:15:55,955 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 04:15:56,261 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 04:15:56,628 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190