/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:21:05,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:21:05,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:21:05,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:21:05,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:21:05,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:21:05,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:21:05,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:21:05,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:21:05,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:21:05,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:21:05,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:21:05,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:21:05,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:21:05,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:21:05,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:21:05,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:21:05,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:21:05,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:21:05,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:21:05,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:21:05,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:21:05,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:21:05,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:21:06,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:21:06,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:21:06,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:21:06,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:21:06,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:21:06,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:21:06,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:21:06,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:21:06,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:21:06,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:21:06,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:21:06,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:21:06,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:21:06,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:21:06,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:21:06,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:21:06,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:21:06,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 20:21:06,052 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:21:06,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:21:06,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:21:06,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:21:06,054 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:21:06,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:21:06,055 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:21:06,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:21:06,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:21:06,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:21:06,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:21:06,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:21:06,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:21:06,056 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:21:06,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:21:06,057 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:21:06,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:21:06,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:21:06,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:21:06,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:21:06,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:21:06,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:21:06,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:21:06,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:21:06,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:21:06,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:21:06,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:21:06,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:21:06,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:21:06,059 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:21:06,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:21:06,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:21:06,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:21:06,542 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:21:06,544 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:21:06,545 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-24 20:21:06,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/221ba50e7/7df5f1cbb0cd40d8a7ed9e27e27cb1c2/FLAG207817064 [2020-09-24 20:21:07,199 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:21:07,200 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-24 20:21:07,217 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/221ba50e7/7df5f1cbb0cd40d8a7ed9e27e27cb1c2/FLAG207817064 [2020-09-24 20:21:07,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/221ba50e7/7df5f1cbb0cd40d8a7ed9e27e27cb1c2 [2020-09-24 20:21:07,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:21:07,509 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:21:07,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:21:07,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:21:07,521 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:21:07,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:21:07" (1/1) ... [2020-09-24 20:21:07,528 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 24.09 08:21:07, skipping insertion in model container [2020-09-24 20:21:07,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:21:07" (1/1) ... [2020-09-24 20:21:07,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:21:07,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:21:08,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:21:08,309 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:21:08,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:21:08,439 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:21:08,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:21:08 WrapperNode [2020-09-24 20:21:08,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:21:08,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:21:08,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:21:08,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:21:08,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:21:08" (1/1) ... [2020-09-24 20:21:08,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:21:08" (1/1) ... [2020-09-24 20:21:08,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:21:08" (1/1) ... [2020-09-24 20:21:08,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:21:08" (1/1) ... [2020-09-24 20:21:08,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:21:08" (1/1) ... [2020-09-24 20:21:08,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:21:08" (1/1) ... [2020-09-24 20:21:08,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:21:08" (1/1) ... [2020-09-24 20:21:08,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:21:08,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:21:08,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:21:08,570 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:21:08,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:21:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:21:08,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:21:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:21:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:21:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 20:21:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 20:21:08,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 20:21:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:21:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:21:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:21:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:21:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 20:21:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:21:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 20:21:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:21:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:21:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:21:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:21:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:21:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 20:21:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:21:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 20:21:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:21:08,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:21:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:21:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:21:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:21:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:21:08,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:21:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 20:21:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:21:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:21:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:21:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:21:08,654 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:21:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:21:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:21:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:21:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:21:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:21:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:21:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:21:08,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:21:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:21:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:21:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:21:08,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:21:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:21:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:21:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:21:08,656 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:21:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:21:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:21:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 20:21:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 20:21:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 20:21:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:21:08,657 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:21:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:21:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 20:21:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:21:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:21:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:21:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:21:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:21:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:21:08,658 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 20:21:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:21:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:21:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:21:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:21:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:21:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:21:08,659 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 20:21:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 20:21:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:21:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 20:21:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:21:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-24 20:21:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:21:08,660 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:21:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:21:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:21:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:21:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:21:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:21:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:21:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:21:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:21:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:21:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:21:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:21:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:21:08,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:21:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:21:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:21:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:21:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:21:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:21:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:21:08,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:21:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:21:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:21:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:21:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:21:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:21:08,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:21:09,930 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:21:09,930 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:21:09,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:21:09 BoogieIcfgContainer [2020-09-24 20:21:09,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:21:09,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:21:09,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:21:09,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:21:09,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:21:07" (1/3) ... [2020-09-24 20:21:09,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b21973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:21:09, skipping insertion in model container [2020-09-24 20:21:09,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:21:08" (2/3) ... [2020-09-24 20:21:09,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b21973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:21:09, skipping insertion in model container [2020-09-24 20:21:09,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:21:09" (3/3) ... [2020-09-24 20:21:09,949 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-09-24 20:21:09,962 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:21:09,974 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:21:09,998 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:21:10,033 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:21:10,033 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:21:10,033 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:21:10,033 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:21:10,034 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:21:10,034 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:21:10,034 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:21:10,034 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:21:10,064 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states. [2020-09-24 20:21:10,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 20:21:10,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:21:10,086 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] [2020-09-24 20:21:10,087 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:21:10,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:21:10,095 INFO L82 PathProgramCache]: Analyzing trace with hash -2061936998, now seen corresponding path program 1 times [2020-09-24 20:21:10,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:21:10,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423056370] [2020-09-24 20:21:10,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:21:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:10,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:10,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:12,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:12,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:15,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 20:21:15,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:21:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-09-24 20:21:15,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:15,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:21:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 20:21:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-24 20:21:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 20:21:16,227 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:21:16,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:16,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:16,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:16,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:21:16,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:16,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-09-24 20:21:16,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:16,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:16,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:16,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 20:21:16,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:16,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:21:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:16,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:16,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:16,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:16,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:16,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:21:16,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:16,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:16,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:16,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:16,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:16,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:21:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:16,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:16,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:16,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:16,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:16,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:16,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:16,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:16,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:16,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:16,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:21:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:16,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:16,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:16,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:16,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:21:16,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:16,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:16,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:16,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:21:16,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:16,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:21:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:16,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:16,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:16,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:16,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:16,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:21:16,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:16,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:16,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:16,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:16,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:16,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:21:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:16,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:16,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:16,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:16,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:16,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:21:16,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:16,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:16,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:21:16,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:16,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:21:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:16,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:16,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:16,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:21:16,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:16,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:21:16,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:16,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:21:16,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:16,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:16,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:16,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:16,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:16,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:16,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:16,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:16,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:16,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 20:21:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:16,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:16,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:16,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:16,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:16,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:21:16,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:16,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:21:16,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:16,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 20:21:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:16,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:16,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:16,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:16,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:16,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:21:16,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:16,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:21:16,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-24 20:21:17,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 20:21:17,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423056370] [2020-09-24 20:21:17,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:21:17,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:21:17,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195571366] [2020-09-24 20:21:17,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:21:17,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:21:17,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:21:17,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:21:17,093 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 9 states. [2020-09-24 20:21:17,745 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:21:18,597 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:21:18,912 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 20:21:20,598 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:21:20,959 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:21:21,359 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:21:21,798 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:22,079 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:21:22,372 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:23,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:21:23,613 INFO L93 Difference]: Finished difference Result 736 states and 890 transitions. [2020-09-24 20:21:23,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 20:21:23,615 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 20:21:23,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:21:23,638 INFO L225 Difference]: With dead ends: 736 [2020-09-24 20:21:23,638 INFO L226 Difference]: Without dead ends: 491 [2020-09-24 20:21:23,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 20:21:23,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-09-24 20:21:23,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 440. [2020-09-24 20:21:23,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2020-09-24 20:21:23,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 493 transitions. [2020-09-24 20:21:23,786 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 493 transitions. Word has length 160 [2020-09-24 20:21:23,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:21:23,787 INFO L479 AbstractCegarLoop]: Abstraction has 440 states and 493 transitions. [2020-09-24 20:21:23,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:21:23,787 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 493 transitions. [2020-09-24 20:21:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-24 20:21:23,794 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:21:23,794 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:21:23,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:21:23,795 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:21:23,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:21:23,795 INFO L82 PathProgramCache]: Analyzing trace with hash -670557693, now seen corresponding path program 1 times [2020-09-24 20:21:23,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:21:23,796 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483480457] [2020-09-24 20:21:23,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:21:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:23,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:24,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:24,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 20:21:24,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:24,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-09-24 20:21:24,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:24,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:21:24,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 211 [2020-09-24 20:21:24,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:21:24,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,229 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:21:25,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:21:25,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-24 20:21:25,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:25,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:25,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:25,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:21:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:25,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:21:25,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:25,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:25,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:25,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:21:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:25,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:21:25,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:25,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:25,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:25,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:21:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:25,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:25,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:25,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:25,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:25,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:21:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:25,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:25,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:25,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:25,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:21:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:25,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:25,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:25,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:25,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:21:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:25,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:25,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:25,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:25,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 20:21:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:21:25,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:25,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:25,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:25,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:25,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:25,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:25,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:25,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:25,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:25,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 20:21:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:21:25,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-24 20:21:25,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:21:25,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:21:25,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:21:25,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:25,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:21:25,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-24 20:21:25,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:21:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 20:21:25,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:21:25,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:25,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:21:25,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 20:21:25,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:21:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:21:25,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:21:25,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:25,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:21:25,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 20:21:25,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:25,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:25,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:25,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:21:25,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:25,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:21:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:25,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:25,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:25,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:21:25,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:25,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:21:26,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:26,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:26,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:26,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:21:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:26,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:26,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:26,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:21:26,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:26,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:21:26,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:26,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:26,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:21:26,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:26,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:26,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:21:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:26,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:26,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:26,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:21:26,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:26,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:26,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:26,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:26,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:26,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:26,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:26,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:21:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:26,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:26,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:26,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:26,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:26,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:26,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:26,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:26,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:26,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:26,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:26,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:21:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:26,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:26,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:26,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:26,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:26,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:26,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:26,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:26,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:26,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:26,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:26,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-24 20:21:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:26,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:26,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:26,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:26,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:26,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:26,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:26,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:26,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:21:26,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:26,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:26,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 20:21:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:26,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:26,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:26,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:26,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:26,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:26,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:26,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:26,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:21:26,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:26,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 20:21:26,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483480457] [2020-09-24 20:21:26,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:21:26,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 20:21:26,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866281543] [2020-09-24 20:21:26,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 20:21:26,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:21:26,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 20:21:26,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 20:21:26,197 INFO L87 Difference]: Start difference. First operand 440 states and 493 transitions. Second operand 11 states. [2020-09-24 20:21:27,884 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:21:28,220 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:21:28,582 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:21:28,913 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:21:29,260 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:21:29,558 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:21:31,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:21:31,215 INFO L93 Difference]: Finished difference Result 939 states and 1174 transitions. [2020-09-24 20:21:31,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 20:21:31,216 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-09-24 20:21:31,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:21:31,224 INFO L225 Difference]: With dead ends: 939 [2020-09-24 20:21:31,224 INFO L226 Difference]: Without dead ends: 614 [2020-09-24 20:21:31,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-24 20:21:31,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2020-09-24 20:21:31,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 457. [2020-09-24 20:21:31,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-09-24 20:21:31,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 516 transitions. [2020-09-24 20:21:31,330 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 516 transitions. Word has length 239 [2020-09-24 20:21:31,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:21:31,331 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 516 transitions. [2020-09-24 20:21:31,331 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 20:21:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 516 transitions. [2020-09-24 20:21:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-24 20:21:31,336 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:21:31,337 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:21:31,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:21:31,337 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:21:31,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:21:31,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1675395919, now seen corresponding path program 1 times [2020-09-24 20:21:31,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:21:31,338 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953662593] [2020-09-24 20:21:31,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:21:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:31,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:31,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:33,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:33,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 20:21:33,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:21:33,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2098 [2020-09-24 20:21:33,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:33,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 190 [2020-09-24 20:21:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:21:33,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:33,909 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:21:33,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:33,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:21:34,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-24 20:21:34,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:21:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:34,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:34,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:21:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:34,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:21:34,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:21:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:34,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:34,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:21:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:34,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 20:21:34,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:21:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:34,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:34,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 20:21:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:21:34,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:34,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:34,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:34,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 20:21:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:21:34,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-24 20:21:34,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:34,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 20:21:34,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:21:34,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:21:34,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-24 20:21:34,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 20:21:34,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:21:34,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:21:34,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-24 20:21:34,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:34,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 20:21:34,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:21:34,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:34,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:21:34,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 20:21:34,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 20:21:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:21:34,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:34,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:21:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:21:34,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:21:34,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:21:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:21:34,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:21:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:21:34,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:21:34,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 20:21:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:21:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:21:34,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:34,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:21:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:34,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:34,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:34,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:21:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:34,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:34,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:34,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:34,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 20:21:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:34,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:34,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:21:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-24 20:21:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:34,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:34,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:34,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:34,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:34,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:34,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:34,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:21:34,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:34,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 20:21:34,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953662593] [2020-09-24 20:21:34,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:21:34,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 20:21:34,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466131979] [2020-09-24 20:21:34,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 20:21:34,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:21:34,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 20:21:34,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 20:21:34,654 INFO L87 Difference]: Start difference. First operand 457 states and 516 transitions. Second operand 9 states. [2020-09-24 20:21:36,017 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:21:36,345 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 20:21:36,647 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:36,961 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 20:21:37,243 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 20:21:38,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:21:38,641 INFO L93 Difference]: Finished difference Result 887 states and 1079 transitions. [2020-09-24 20:21:38,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 20:21:38,642 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 226 [2020-09-24 20:21:38,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:21:38,650 INFO L225 Difference]: With dead ends: 887 [2020-09-24 20:21:38,650 INFO L226 Difference]: Without dead ends: 545 [2020-09-24 20:21:38,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 20:21:38,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2020-09-24 20:21:38,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 463. [2020-09-24 20:21:38,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-09-24 20:21:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 522 transitions. [2020-09-24 20:21:38,743 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 522 transitions. Word has length 226 [2020-09-24 20:21:38,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:21:38,744 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 522 transitions. [2020-09-24 20:21:38,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 20:21:38,745 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 522 transitions. [2020-09-24 20:21:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-09-24 20:21:38,748 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:21:38,748 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:21:38,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:21:38,749 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:21:38,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:21:38,749 INFO L82 PathProgramCache]: Analyzing trace with hash 343897868, now seen corresponding path program 1 times [2020-09-24 20:21:38,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:21:38,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342996257] [2020-09-24 20:21:38,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:21:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:38,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:38,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:42,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:42,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-09-24 20:21:42,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:21:42,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4069 [2020-09-24 20:21:42,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:42,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:21:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 20:21:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 20:21:42,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:43,153 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:21:43,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:21:43,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-24 20:21:43,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 20:21:43,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:43,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:21:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:43,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:43,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:43,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:43,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:21:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:43,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:21:43,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:43,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:43,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:21:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:43,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:21:43,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:21:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:43,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:21:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:43,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:43,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:43,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:43,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:21:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:43,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:43,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:21:43,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:43,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 20:21:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:21:43,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:43,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:21:43,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:43,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:43,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:43,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:43,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:43,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 20:21:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:21:43,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 20:21:43,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 20:21:43,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 20:21:43,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:43,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:21:43,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 20:21:43,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 20:21:43,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:43,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:21:43,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 20:21:43,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 20:21:43,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:43,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:21:43,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 20:21:43,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:21:43,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:43,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:21:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:21:43,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:43,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 20:21:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:43,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:21:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:21:43,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 20:21:43,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:43,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 20:21:43,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:43,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:21:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:21:43,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:43,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:43,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:43,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:43,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:21:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:43,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:43,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:43,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:43,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:43,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 20:21:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:43,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:43,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:43,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:43,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:43,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 20:21:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:43,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:43,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:43,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:21:43,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:43,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:43,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-09-24 20:21:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:43,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:43,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:43,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:43,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:43,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:43,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:43,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:43,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:21:43,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:43,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 20:21:43,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342996257] [2020-09-24 20:21:43,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:21:43,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 20:21:43,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617799018] [2020-09-24 20:21:43,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 20:21:43,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:21:43,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 20:21:43,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:21:43,952 INFO L87 Difference]: Start difference. First operand 463 states and 522 transitions. Second operand 7 states. [2020-09-24 20:21:44,579 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:21:46,247 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:21:49,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:21:49,492 INFO L93 Difference]: Finished difference Result 1434 states and 1837 transitions. [2020-09-24 20:21:49,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 20:21:49,493 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 226 [2020-09-24 20:21:49,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:21:49,501 INFO L225 Difference]: With dead ends: 1434 [2020-09-24 20:21:49,501 INFO L226 Difference]: Without dead ends: 1068 [2020-09-24 20:21:49,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:21:49,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2020-09-24 20:21:49,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 919. [2020-09-24 20:21:49,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-09-24 20:21:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1090 transitions. [2020-09-24 20:21:49,631 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1090 transitions. Word has length 226 [2020-09-24 20:21:49,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:21:49,631 INFO L479 AbstractCegarLoop]: Abstraction has 919 states and 1090 transitions. [2020-09-24 20:21:49,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 20:21:49,632 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1090 transitions. [2020-09-24 20:21:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-24 20:21:49,638 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:21:49,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:21:49,638 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 20:21:49,638 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:21:49,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:21:49,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1352362414, now seen corresponding path program 1 times [2020-09-24 20:21:49,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:21:49,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [354399508] [2020-09-24 20:21:49,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:21:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:49,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:49,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:54,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:54,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-09-24 20:21:54,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:21:54,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-24 20:21:54,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:54,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 20:21:54,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 20:21:54,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-09-24 20:21:54,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,098 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:21:55,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:21:55,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-09-24 20:21:55,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 20:21:55,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 20:21:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:55,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:55,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:55,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:55,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 20:21:55,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 20:21:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:55,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:55,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:55,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 20:21:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:55,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:21:55,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:55,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:21:55,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 20:21:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:21:55,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:55,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:21:55,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 20:21:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:55,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:21:55,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:55,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:21:55,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 20:21:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:21:55,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:21:55,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:21:55,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:21:55,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:21:55,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:21:55,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 20:21:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:21:55,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:21:55,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:21:55,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 20:21:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:21:55,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:21:55,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:55,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 20:21:55,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:21:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:21:55,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:55,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:55,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:55,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 20:21:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 20:21:55,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 20:21:55,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:21:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-24 20:21:55,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 20:21:55,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-24 20:21:55,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:55,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:55,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 20:21:55,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 20:21:55,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:55,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:21:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 20:21:55,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:21:55,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:55,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 20:21:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:21:55,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:21:55,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:55,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:55,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 20:21:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 20:21:55,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:21:55,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:55,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:21:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:21:55,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 20:21:55,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:21:55,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:21:55,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:21:55,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:21:55,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:21:55,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:21:55,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:21:55,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:21:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:21:55,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:21:55,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000