/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 SequenceOfStatements --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=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:47:43,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:47:43,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:47:43,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:47:43,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:47:43,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:47:43,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:47:43,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:47:43,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:47:43,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:47:43,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:47:43,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:47:43,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:47:43,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:47:43,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:47:43,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:47:43,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:47:43,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:47:43,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:47:43,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:47:43,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:47:43,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:47:43,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:47:43,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:47:43,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:47:43,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:47:43,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:47:43,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:47:43,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:47:43,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 12:47:43,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 12:47:43,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 12:47:43,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 12:47:43,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 12:47:43,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 12:47:43,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 12:47:43,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 12:47:43,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 12:47:43,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:47:43,956 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:47:43,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:47:43,958 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 [2020-10-13 12:47:44,003 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:47:44,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:47:44,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:47:44,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:47:44,006 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:47:44,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:47:44,007 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:47:44,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:47:44,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:47:44,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:47:44,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:47:44,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:47:44,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:47:44,009 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:47:44,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:47:44,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:47:44,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:47:44,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:47:44,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:47:44,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:47:44,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:47:44,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:47:44,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:47:44,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:47:44,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:47:44,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:47:44,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:47:44,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:47:44,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:47:44,013 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 -> SequenceOfStatements 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:47:44,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:47:44,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:47:44,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:47:44,345 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:47:44,346 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:47:44,346 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-10-13 12:47:44,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/128e94041/674fad322bd84f4d87a039db73dc1606/FLAGa3de4a9c1 [2020-10-13 12:47:44,960 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:47:44,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product52.cil.c [2020-10-13 12:47:44,975 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/128e94041/674fad322bd84f4d87a039db73dc1606/FLAGa3de4a9c1 [2020-10-13 12:47:45,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/128e94041/674fad322bd84f4d87a039db73dc1606 [2020-10-13 12:47:45,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:47:45,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:47:45,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:47:45,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:47:45,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:47:45,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:47:45" (1/1) ... [2020-10-13 12:47:45,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f15c313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45, skipping insertion in model container [2020-10-13 12:47:45,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:47:45" (1/1) ... [2020-10-13 12:47:45,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:47:45,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:47:45,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:47:45,754 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 12:47:45,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:47:45,874 INFO L208 MainTranslator]: Completed translation [2020-10-13 12:47:45,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45 WrapperNode [2020-10-13 12:47:45,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 12:47:45,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 12:47:45,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 12:47:45,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 12:47:45,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45" (1/1) ... [2020-10-13 12:47:45,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45" (1/1) ... [2020-10-13 12:47:45,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45" (1/1) ... [2020-10-13 12:47:45,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45" (1/1) ... [2020-10-13 12:47:45,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45" (1/1) ... [2020-10-13 12:47:45,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45" (1/1) ... [2020-10-13 12:47:45,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45" (1/1) ... [2020-10-13 12:47:45,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 12:47:45,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 12:47:45,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 12:47:45,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 12:47:45,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45" (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 [2020-10-13 12:47:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 12:47:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 12:47:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 12:47:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-13 12:47:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-13 12:47:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-13 12:47:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-13 12:47:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-13 12:47:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-13 12:47:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-13 12:47:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-13 12:47:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-13 12:47:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-13 12:47:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:47:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-13 12:47:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-13 12:47:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-13 12:47:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-13 12:47:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-13 12:47:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-13 12:47:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-13 12:47:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-13 12:47:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-13 12:47:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-13 12:47:46,039 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 12:47:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 12:47:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 12:47:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 12:47:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 12:47:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 12:47:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 12:47:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-13 12:47:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-13 12:47:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 12:47:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-13 12:47:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 12:47:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 12:47:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 12:47:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 12:47:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 12:47:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 12:47:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:47:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 12:47:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 12:47:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 12:47:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-13 12:47:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-13 12:47:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-13 12:47:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-13 12:47:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-13 12:47:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-13 12:47:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-13 12:47:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-13 12:47:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 12:47:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-13 12:47:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-13 12:47:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-13 12:47:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-13 12:47:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-13 12:47:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-13 12:47:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-13 12:47:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-13 12:47:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-13 12:47:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-13 12:47:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-13 12:47:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-13 12:47:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-13 12:47:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-13 12:47:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-13 12:47:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 12:47:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 12:47:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 12:47:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 12:47:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 12:47:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 12:47:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 12:47:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 12:47:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 12:47:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 12:47:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 12:47:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 12:47:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 12:47:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 12:47:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 12:47:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 12:47:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 12:47:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-13 12:47:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 12:47:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-13 12:47:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 12:47:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 12:47:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 12:47:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 12:47:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 12:47:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 12:47:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 12:47:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 12:47:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 12:47:47,206 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 12:47:47,206 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-13 12:47:47,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:47:47 BoogieIcfgContainer [2020-10-13 12:47:47,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 12:47:47,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 12:47:47,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 12:47:47,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 12:47:47,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:47:45" (1/3) ... [2020-10-13 12:47:47,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46860ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:47:47, skipping insertion in model container [2020-10-13 12:47:47,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:47:45" (2/3) ... [2020-10-13 12:47:47,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46860ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:47:47, skipping insertion in model container [2020-10-13 12:47:47,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:47:47" (3/3) ... [2020-10-13 12:47:47,221 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2020-10-13 12:47:47,231 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 12:47:47,240 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 12:47:47,254 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 12:47:47,282 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 12:47:47,282 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 12:47:47,282 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 12:47:47,282 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 12:47:47,283 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 12:47:47,283 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 12:47:47,283 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 12:47:47,284 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 12:47:47,307 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states. [2020-10-13 12:47:47,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-13 12:47:47,321 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:47:47,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:47:47,324 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:47:47,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:47:47,331 INFO L82 PathProgramCache]: Analyzing trace with hash -583894042, now seen corresponding path program 1 times [2020-10-13 12:47:47,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:47:47,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081390901] [2020-10-13 12:47:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:47:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:47:47,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:47,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:48,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:49,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:51,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:52,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:47:52,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-13 12:47:52,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:47:52,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4697 [2020-10-13 12:47:52,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:47:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:47:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-13 12:47:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:47:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:47:52,890 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:47:52,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:47:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:47:52,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:52,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:47:52,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:47:52,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:47:52,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 12:47:52,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:47:52,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:47:52,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:47:52,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:47:52,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:47:52,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:47:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:47:53,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:53,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:47:53,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:47:53,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:47:53,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:47:53,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:47:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:47:53,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:47:53,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:47:53,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:47:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:47:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:47:53,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:53,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:47:53,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:47:53,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:47:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:47:53,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:47:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:47:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:47:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:47:53,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:47:53,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:47:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:47:53,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:53,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:47:53,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:47:53,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:47:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:47:53,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:47:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:47:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:47:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:47:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:47:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:47:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:47:53,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:53,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:47:53,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:47:53,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:47:53,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:47:53,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:47:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:47:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:47:53,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:47:53,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:47:53,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:47:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:47:53,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:53,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:47:53,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:47:53,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:47:53,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:47:53,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:47:53,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:47:53,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:47:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:47:53,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:47:53,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:47:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:47:53,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:53,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:47:53,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:47:53,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:47:53,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:47:53,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:47:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:47:53,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:47:53,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:47:53,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:47:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:47:53,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081390901] [2020-10-13 12:47:53,091 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:47:53,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-13 12:47:53,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238700139] [2020-10-13 12:47:53,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-13 12:47:53,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:47:53,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-13 12:47:53,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:47:53,131 INFO L87 Difference]: Start difference. First operand 181 states. Second operand 3 states. [2020-10-13 12:47:55,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:47:55,352 INFO L93 Difference]: Finished difference Result 320 states and 417 transitions. [2020-10-13 12:47:55,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-13 12:47:55,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-10-13 12:47:55,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:47:55,377 INFO L225 Difference]: With dead ends: 320 [2020-10-13 12:47:55,378 INFO L226 Difference]: Without dead ends: 173 [2020-10-13 12:47:55,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-13 12:47:55,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-13 12:47:55,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 138. [2020-10-13 12:47:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-13 12:47:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2020-10-13 12:47:55,523 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 46 [2020-10-13 12:47:55,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:47:55,523 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2020-10-13 12:47:55,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-13 12:47:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2020-10-13 12:47:55,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-13 12:47:55,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:47:55,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:47:55,528 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 12:47:55,528 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:47:55,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:47:55,528 INFO L82 PathProgramCache]: Analyzing trace with hash 2008699999, now seen corresponding path program 1 times [2020-10-13 12:47:55,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:47:55,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753818903] [2020-10-13 12:47:55,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:47:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:47:55,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:55,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:56,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:58,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:47:59,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:00,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:00,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 12:48:00,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 12:48:00,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 12:48:00,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:00,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:00,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-13 12:48:00,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:48:00,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:00,905 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:00,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:00,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:00,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:00,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:00,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:00,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 12:48:00,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:00,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:00,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:00,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:00,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:00,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:00,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:00,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:00,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:00,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:00,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:00,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:00,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:00,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:00,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:00,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:00,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:00,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:00,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:00,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:00,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:00,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:00,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:00,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:00,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:00,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:00,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:00,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:00,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:00,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:00,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:00,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:00,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:00,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:00,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:00,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:00,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:00,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:00,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:00,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:00,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:00,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:00,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:00,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:00,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 12:48:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:00,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:00,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:00,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:00,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:00,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:00,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:00,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:00,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:00,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 12:48:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:00,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:00,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:00,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:00,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:01,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:01,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:48:01,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753818903] [2020-10-13 12:48:01,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:48:01,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-13 12:48:01,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911109482] [2020-10-13 12:48:01,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-13 12:48:01,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:01,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-13 12:48:01,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-13 12:48:01,016 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand 4 states. [2020-10-13 12:48:01,557 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:48:02,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:48:02,470 INFO L93 Difference]: Finished difference Result 243 states and 296 transitions. [2020-10-13 12:48:02,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-13 12:48:02,471 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-10-13 12:48:02,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:48:02,478 INFO L225 Difference]: With dead ends: 243 [2020-10-13 12:48:02,478 INFO L226 Difference]: Without dead ends: 157 [2020-10-13 12:48:02,479 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-13 12:48:02,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-13 12:48:02,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 129. [2020-10-13 12:48:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-13 12:48:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-10-13 12:48:02,544 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 47 [2020-10-13 12:48:02,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:48:02,544 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-10-13 12:48:02,545 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-13 12:48:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-10-13 12:48:02,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 12:48:02,549 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:02,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:48:02,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 12:48:02,552 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:02,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:02,552 INFO L82 PathProgramCache]: Analyzing trace with hash 940393630, now seen corresponding path program 1 times [2020-10-13 12:48:02,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:02,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310525223] [2020-10-13 12:48:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:02,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:02,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:03,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:04,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:06,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:06,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 12:48:06,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:48:06,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4120 [2020-10-13 12:48:06,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:48:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-13 12:48:06,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:48:06,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 12:48:07,037 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:07,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:07,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:07,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:07,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:07,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:07,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 12:48:07,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:07,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:07,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:07,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:07,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:07,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:07,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:07,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:07,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:07,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:07,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:07,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:07,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:07,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:07,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:07,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:07,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:07,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:07,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:07,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:07,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:07,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:07,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:07,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:07,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:07,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:07,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:07,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:07,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:07,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:07,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:07,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:07,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:07,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:07,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:07,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:07,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:07,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:07,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 12:48:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:07,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:07,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:07,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:07,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:07,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:07,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:07,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:07,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:07,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 12:48:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:07,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:07,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:07,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:07,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:07,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:48:07,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:48:07,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:07,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:48:07,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310525223] [2020-10-13 12:48:07,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:48:07,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:48:07,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934357104] [2020-10-13 12:48:07,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:48:07,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:07,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:48:07,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:48:07,161 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 7 states. [2020-10-13 12:48:07,506 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:48:08,461 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:48:08,738 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:48:09,002 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:48:09,522 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:48:09,805 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:48:10,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:48:10,559 INFO L93 Difference]: Finished difference Result 328 states and 417 transitions. [2020-10-13 12:48:10,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 12:48:10,560 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2020-10-13 12:48:10,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:48:10,566 INFO L225 Difference]: With dead ends: 328 [2020-10-13 12:48:10,567 INFO L226 Difference]: Without dead ends: 223 [2020-10-13 12:48:10,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-13 12:48:10,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-13 12:48:10,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 200. [2020-10-13 12:48:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-13 12:48:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 241 transitions. [2020-10-13 12:48:10,655 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 241 transitions. Word has length 52 [2020-10-13 12:48:10,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:48:10,655 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 241 transitions. [2020-10-13 12:48:10,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:48:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 241 transitions. [2020-10-13 12:48:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-13 12:48:10,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:10,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:48:10,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 12:48:10,664 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:10,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:10,665 INFO L82 PathProgramCache]: Analyzing trace with hash 238567724, now seen corresponding path program 1 times [2020-10-13 12:48:10,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:10,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159284745] [2020-10-13 12:48:10,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:10,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:10,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 12:48:13,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:48:13,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2706 [2020-10-13 12:48:13,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:48:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-10-13 12:48:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:48:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:13,678 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:13,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:13,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:48:13,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:13,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:13,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:13,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:13,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:13,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:13,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:13,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:13,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:13,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:13,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:13,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:13,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:13,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:13,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:13,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:13,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:13,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:13,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:13,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:13,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:13,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:13,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:13,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:13,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:13,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:48:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:48:13,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:48:13,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:48:13,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-13 12:48:13,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:48:13,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:13,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:48:13,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 12:48:13,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:48:13,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:13,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:48:13,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 12:48:13,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:48:13,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:13,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 12:48:13,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:13,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:48:13,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:13,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:13,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:13,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:13,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 12:48:13,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:48:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:13,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:13,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:13,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:13,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:13,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 12:48:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:13,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:13,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:13,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:13,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 12:48:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:13,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:13,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:13,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:13,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:13,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:13,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:13,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:13,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:13,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:48:13,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159284745] [2020-10-13 12:48:13,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:48:13,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:48:13,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101409816] [2020-10-13 12:48:13,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:48:13,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:13,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:48:13,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:48:13,962 INFO L87 Difference]: Start difference. First operand 200 states and 241 transitions. Second operand 8 states. [2020-10-13 12:48:15,126 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:48:15,371 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:48:15,634 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:48:15,875 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:48:16,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:48:16,648 INFO L93 Difference]: Finished difference Result 422 states and 538 transitions. [2020-10-13 12:48:16,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-13 12:48:16,649 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-13 12:48:16,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:48:16,653 INFO L225 Difference]: With dead ends: 422 [2020-10-13 12:48:16,653 INFO L226 Difference]: Without dead ends: 246 [2020-10-13 12:48:16,655 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:48:16,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-10-13 12:48:16,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 208. [2020-10-13 12:48:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-10-13 12:48:16,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 249 transitions. [2020-10-13 12:48:16,705 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 249 transitions. Word has length 80 [2020-10-13 12:48:16,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:48:16,705 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 249 transitions. [2020-10-13 12:48:16,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:48:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 249 transitions. [2020-10-13 12:48:16,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-13 12:48:16,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:16,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:48:16,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 12:48:16,707 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:16,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:16,708 INFO L82 PathProgramCache]: Analyzing trace with hash 261199978, now seen corresponding path program 1 times [2020-10-13 12:48:16,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:16,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745739011] [2020-10-13 12:48:16,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:16,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:16,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 12:48:18,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 12:48:18,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1791 [2020-10-13 12:48:18,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:48:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 12:48:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:18,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:18,821 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:18,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:18,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 12:48:18,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:18,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:18,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:18,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:18,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:18,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:18,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:18,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:18,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:18,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:18,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:18,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:18,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:18,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:18,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:18,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:18,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:18,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:18,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:18,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:18,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:18,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:18,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:18,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:18,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:48:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:48:18,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:48:18,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:48:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-13 12:48:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:18,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:18,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:48:18,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:48:18,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:48:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 12:48:18,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:18,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:18,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:48:18,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 12:48:18,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:48:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 12:48:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:18,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:18,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:48:18,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:18,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:48:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:18,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:18,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:18,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:48:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:18,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:18,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:18,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:18,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:18,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:18,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 12:48:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:18,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:18,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 12:48:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:18,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:18,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:18,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:18,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:18,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:18,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:18,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:18,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:18,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:48:19,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745739011] [2020-10-13 12:48:19,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:48:19,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-13 12:48:19,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884886957] [2020-10-13 12:48:19,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 12:48:19,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:19,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 12:48:19,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-13 12:48:19,014 INFO L87 Difference]: Start difference. First operand 208 states and 249 transitions. Second operand 7 states. [2020-10-13 12:48:19,965 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:48:20,247 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:48:20,482 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:48:21,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:48:21,226 INFO L93 Difference]: Finished difference Result 437 states and 564 transitions. [2020-10-13 12:48:21,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 12:48:21,227 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2020-10-13 12:48:21,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:48:21,230 INFO L225 Difference]: With dead ends: 437 [2020-10-13 12:48:21,230 INFO L226 Difference]: Without dead ends: 253 [2020-10-13 12:48:21,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:48:21,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-13 12:48:21,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 212. [2020-10-13 12:48:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-13 12:48:21,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 253 transitions. [2020-10-13 12:48:21,272 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 253 transitions. Word has length 80 [2020-10-13 12:48:21,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:48:21,272 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 253 transitions. [2020-10-13 12:48:21,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 12:48:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 253 transitions. [2020-10-13 12:48:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-13 12:48:21,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:21,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 12:48:21,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 12:48:21,274 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:21,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:21,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1286691977, now seen corresponding path program 1 times [2020-10-13 12:48:21,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:21,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1751718066] [2020-10-13 12:48:21,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:21,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:21,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:21,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:22,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:23,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:23,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-13 12:48:23,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 12:48:23,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2546 [2020-10-13 12:48:23,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:48:23,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-13 12:48:23,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-13 12:48:23,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,125 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:24,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:24,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-13 12:48:24,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:24,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:24,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:24,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:24,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:24,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:24,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:24,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:24,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:24,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:24,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:24,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:24,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:24,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:24,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 12:48:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:48:24,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 12:48:24,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:24,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:48:24,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:48:24,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:48:24,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:48:24,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:48:24,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:48:24,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:24,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:48:24,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:48:24,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:24,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:48:24,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:48:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:24,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:24,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:24,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 12:48:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:24,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:24,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:48:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:24,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:24,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 12:48:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:24,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:24,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:24,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:24,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:24,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:24,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:24,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:24,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:24,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 12:48:24,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1751718066] [2020-10-13 12:48:24,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:48:24,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:48:24,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627500921] [2020-10-13 12:48:24,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:48:24,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:24,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:48:24,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:48:24,286 INFO L87 Difference]: Start difference. First operand 212 states and 253 transitions. Second operand 8 states. [2020-10-13 12:48:24,885 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:48:25,547 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:48:25,896 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:48:26,223 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:48:26,490 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:48:28,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:48:28,098 INFO L93 Difference]: Finished difference Result 572 states and 773 transitions. [2020-10-13 12:48:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 12:48:28,099 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-13 12:48:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:48:28,104 INFO L225 Difference]: With dead ends: 572 [2020-10-13 12:48:28,104 INFO L226 Difference]: Without dead ends: 384 [2020-10-13 12:48:28,105 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:48:28,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-10-13 12:48:28,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 325. [2020-10-13 12:48:28,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-10-13 12:48:28,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 402 transitions. [2020-10-13 12:48:28,175 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 402 transitions. Word has length 80 [2020-10-13 12:48:28,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:48:28,176 INFO L479 AbstractCegarLoop]: Abstraction has 325 states and 402 transitions. [2020-10-13 12:48:28,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:48:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 402 transitions. [2020-10-13 12:48:28,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-13 12:48:28,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:28,179 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 12:48:28,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 12:48:28,179 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:28,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:28,179 INFO L82 PathProgramCache]: Analyzing trace with hash -288717373, now seen corresponding path program 1 times [2020-10-13 12:48:28,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:28,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1478416961] [2020-10-13 12:48:28,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:28,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:28,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:28,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:28,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:29,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:29,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 12:48:33,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 12:48:33,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 12:48:33,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:48:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-13 12:48:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:33,416 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:33,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:33,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-13 12:48:33,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-13 12:48:33,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:33,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:33,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:48:33,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:33,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:48:33,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:33,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:33,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:33,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:48:33,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:33,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:33,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:33,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:33,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:33,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:33,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:48:33,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:48:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:33,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:48:33,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:48:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:48:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:48:33,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:48:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:48:33,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:48:33,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 12:48:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:48:33,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:48:33,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:48:33,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:48:33,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:48:33,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:48:33,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:48:33,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:33,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:48:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:33,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:33,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:48:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:48:33,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:33,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:33,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:33,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:33,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:33,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 12:48:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:33,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:33,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:33,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:33,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 12:48:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:33,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:33,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:33,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:33,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 12:48:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:33,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:33,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:33,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:33,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:33,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:33,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:33,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-13 12:48:33,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1478416961] [2020-10-13 12:48:33,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 12:48:33,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 12:48:33,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331984529] [2020-10-13 12:48:33,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:48:33,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:33,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:48:33,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:48:33,784 INFO L87 Difference]: Start difference. First operand 325 states and 402 transitions. Second operand 8 states. [2020-10-13 12:48:34,322 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:48:35,584 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:48:37,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:48:37,162 INFO L93 Difference]: Finished difference Result 861 states and 1086 transitions. [2020-10-13 12:48:37,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 12:48:37,163 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2020-10-13 12:48:37,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:48:37,166 INFO L225 Difference]: With dead ends: 861 [2020-10-13 12:48:37,167 INFO L226 Difference]: Without dead ends: 560 [2020-10-13 12:48:37,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:48:37,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2020-10-13 12:48:37,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 507. [2020-10-13 12:48:37,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2020-10-13 12:48:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 606 transitions. [2020-10-13 12:48:37,255 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 606 transitions. Word has length 112 [2020-10-13 12:48:37,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:48:37,256 INFO L479 AbstractCegarLoop]: Abstraction has 507 states and 606 transitions. [2020-10-13 12:48:37,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:48:37,256 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 606 transitions. [2020-10-13 12:48:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-13 12:48:37,258 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:37,258 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 12:48:37,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 12:48:37,259 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:37,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:37,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1613573567, now seen corresponding path program 1 times [2020-10-13 12:48:37,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:37,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243292319] [2020-10-13 12:48:37,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:37,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:37,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:37,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:37,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 12:48:40,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:48:40,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2938 [2020-10-13 12:48:40,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 12:48:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-13 12:48:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-13 12:48:40,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,517 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:40,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:40,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-13 12:48:40,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:40,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:40,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:40,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:48:40,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:40,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:40,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:40,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:40,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:40,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:40,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:40,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:40,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:40,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:40,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:40,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:40,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:40,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:40,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:40,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:48:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:40,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:40,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:40,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:40,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:48:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:48:40,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:48:40,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 12:48:40,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:40,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:48:40,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 12:48:40,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 12:48:40,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:48:40,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:48:40,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 12:48:40,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:48:40,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:48:40,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 12:48:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:48:40,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:40,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:48:40,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:40,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:48:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:40,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:40,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:40,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:40,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:48:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:48:40,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:48:40,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:48:40,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:40,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:40,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:40,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 12:48:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:40,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:48:40,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:48:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-13 12:48:40,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:48:40,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 12:48:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:40,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:48:40,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:48:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 12:48:40,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 12:48:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:40,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:40,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:40,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:40,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:40,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:40,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:40,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:40,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-13 12:48:40,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243292319] [2020-10-13 12:48:40,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:48:40,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 12:48:40,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927768126] [2020-10-13 12:48:40,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 12:48:40,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:40,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 12:48:40,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-13 12:48:40,850 INFO L87 Difference]: Start difference. First operand 507 states and 606 transitions. Second operand 12 states. [2020-10-13 12:48:41,316 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:48:41,939 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:48:42,381 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:48:42,660 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:48:42,927 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:48:43,155 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-10-13 12:48:43,432 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:48:43,683 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:48:45,191 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:48:46,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:48:46,607 INFO L93 Difference]: Finished difference Result 1290 states and 1671 transitions. [2020-10-13 12:48:46,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-13 12:48:46,607 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 112 [2020-10-13 12:48:46,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:48:46,614 INFO L225 Difference]: With dead ends: 1290 [2020-10-13 12:48:46,615 INFO L226 Difference]: Without dead ends: 807 [2020-10-13 12:48:46,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 39 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=259, Invalid=611, Unknown=0, NotChecked=0, Total=870 [2020-10-13 12:48:46,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2020-10-13 12:48:46,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 711. [2020-10-13 12:48:46,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2020-10-13 12:48:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 877 transitions. [2020-10-13 12:48:46,754 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 877 transitions. Word has length 112 [2020-10-13 12:48:46,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:48:46,755 INFO L479 AbstractCegarLoop]: Abstraction has 711 states and 877 transitions. [2020-10-13 12:48:46,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 12:48:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 877 transitions. [2020-10-13 12:48:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-13 12:48:46,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:46,758 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 12:48:46,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 12:48:46,759 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:46,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:46,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1332064833, now seen corresponding path program 2 times [2020-10-13 12:48:46,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:46,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796942220] [2020-10-13 12:48:46,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:46,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:46,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:46,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:47,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-10-13 12:48:48,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:48:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1359 [2020-10-13 12:48:48,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 12:48:48,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-13 12:48:48,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,369 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:48,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:48,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:48:48,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:48,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:48,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:48,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:48,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:48:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:48,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:48,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:48:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:48:48,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:48:48,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:48,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 12:48:48,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:48:48,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:48:48,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:48,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-13 12:48:48,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:48:48,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 12:48:48,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:48:48,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:48,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:48:48,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:48:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:48,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:48:48,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:48:48,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:48,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:48,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:48:48,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:48,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 12:48:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 12:48:48,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:48:48,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-13 12:48:48,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-13 12:48:48,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:48,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:48,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:48:48,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:48,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:48,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:48:48,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:48,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:48,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 12:48:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:48,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:48,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 12:48:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:48,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:48,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 12:48:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:48,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:48,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:48,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:48,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:48,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:48,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:48,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:48,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 12:48:48,580 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796942220] [2020-10-13 12:48:48,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:48:48,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 12:48:48,581 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920898598] [2020-10-13 12:48:48,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 12:48:48,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:48,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 12:48:48,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-13 12:48:48,582 INFO L87 Difference]: Start difference. First operand 711 states and 877 transitions. Second operand 8 states. [2020-10-13 12:48:48,985 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:48:49,593 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-10-13 12:48:51,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:48:51,196 INFO L93 Difference]: Finished difference Result 1649 states and 2099 transitions. [2020-10-13 12:48:51,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 12:48:51,197 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2020-10-13 12:48:51,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:48:51,208 INFO L225 Difference]: With dead ends: 1649 [2020-10-13 12:48:51,208 INFO L226 Difference]: Without dead ends: 962 [2020-10-13 12:48:51,212 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-13 12:48:51,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2020-10-13 12:48:51,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 794. [2020-10-13 12:48:51,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 794 states. [2020-10-13 12:48:51,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 955 transitions. [2020-10-13 12:48:51,404 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 955 transitions. Word has length 140 [2020-10-13 12:48:51,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:48:51,406 INFO L479 AbstractCegarLoop]: Abstraction has 794 states and 955 transitions. [2020-10-13 12:48:51,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 12:48:51,406 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 955 transitions. [2020-10-13 12:48:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-13 12:48:51,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:48:51,411 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 12:48:51,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 12:48:51,411 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:48:51,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:48:51,411 INFO L82 PathProgramCache]: Analyzing trace with hash 2082208677, now seen corresponding path program 1 times [2020-10-13 12:48:51,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:48:51,412 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561923642] [2020-10-13 12:48:51,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:48:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:51,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:51,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:51,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:52,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-13 12:48:56,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 12:48:56,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 12:48:56,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:48:56,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 148 [2020-10-13 12:48:56,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 12:48:56,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,708 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:48:56,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:48:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:56,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 12:48:56,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:56,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:56,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:48:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:56,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:56,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:48:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:56,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:56,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:48:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:56,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:56,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:48:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:56,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:56,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:48:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:48:56,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:48:56,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:48:56,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:48:56,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:48:56,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:48:56,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:48:56,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:56,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:48:56,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:56,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:48:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:56,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:56,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:48:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:48:56,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:56,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:56,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:48:56,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 12:48:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 12:48:56,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 12:48:56,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 12:48:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-13 12:48:56,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-13 12:48:56,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:56,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:56,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:56,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:48:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:48:56,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 12:48:56,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:48:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 12:48:56,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:56,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:56,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:56,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:56,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:48:56,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:56,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:48:56,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:56,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:48:56,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 12:48:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:57,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:57,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 12:48:57,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:48:57,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:57,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:48:57,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:57,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:48:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:48:57,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:48:57,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 12:48:57,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:57,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 12:48:57,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:57,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:57,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:57,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:57,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:57,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:57,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:57,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:48:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:48:57,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:48:57,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:48:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 12:48:57,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 12:48:57,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:57,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:57,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:48:57,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 12:48:57,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:57,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 12:48:57,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:57,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 12:48:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:57,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:57,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:57,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 12:48:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:48:57,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-13 12:48:57,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:57,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 12:48:57,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:57,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:57,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:48:57,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 12:48:57,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:57,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:57,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:48:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:57,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:57,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:57,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:57,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:57,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:57,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:48:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:48:57,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:57,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:57,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:57,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:57,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:48:57,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:48:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:48:57,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:57,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:57,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:48:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:57,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:57,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 12:48:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:57,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:57,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:57,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:57,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:57,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-13 12:48:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:48:57,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:48:57,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:48:57,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:48:57,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:48:57,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:48:57,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:48:57,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:48:57,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:48:57,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:48:57,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 12:48:57,359 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 48 proven. 14 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-10-13 12:48:57,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561923642] [2020-10-13 12:48:57,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:48:57,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 12:48:57,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363422241] [2020-10-13 12:48:57,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 12:48:57,361 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:48:57,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 12:48:57,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-10-13 12:48:57,362 INFO L87 Difference]: Start difference. First operand 794 states and 955 transitions. Second operand 14 states. [2020-10-13 12:48:57,908 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:48:59,032 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-13 12:48:59,342 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:48:59,616 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-13 12:49:00,653 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:49:00,902 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:49:01,147 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-13 12:49:01,381 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:02,333 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-10-13 12:49:02,844 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-13 12:49:03,284 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-10-13 12:49:04,666 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-10-13 12:49:05,152 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-10-13 12:49:05,629 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-10-13 12:49:06,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:06,393 INFO L93 Difference]: Finished difference Result 2261 states and 2890 transitions. [2020-10-13 12:49:06,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-13 12:49:06,394 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 192 [2020-10-13 12:49:06,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:06,404 INFO L225 Difference]: With dead ends: 2261 [2020-10-13 12:49:06,404 INFO L226 Difference]: Without dead ends: 1528 [2020-10-13 12:49:06,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=274, Invalid=848, Unknown=0, NotChecked=0, Total=1122 [2020-10-13 12:49:06,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2020-10-13 12:49:06,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1340. [2020-10-13 12:49:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2020-10-13 12:49:06,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1615 transitions. [2020-10-13 12:49:06,681 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1615 transitions. Word has length 192 [2020-10-13 12:49:06,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:06,682 INFO L479 AbstractCegarLoop]: Abstraction has 1340 states and 1615 transitions. [2020-10-13 12:49:06,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 12:49:06,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1615 transitions. [2020-10-13 12:49:06,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-13 12:49:06,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 12:49:06,686 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-13 12:49:06,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 12:49:06,687 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 12:49:06,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 12:49:06,687 INFO L82 PathProgramCache]: Analyzing trace with hash 123633891, now seen corresponding path program 1 times [2020-10-13 12:49:06,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 12:49:06,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033299999] [2020-10-13 12:49:06,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 12:49:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:06,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-13 12:49:07,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 343 [2020-10-13 12:49:07,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 152 [2020-10-13 12:49:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:49:07,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,267 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:49:07,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 12:49:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 12:49:07,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:07,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 12:49:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:07,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 12:49:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 12:49:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:07,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 12:49:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 12:49:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 12:49:07,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:07,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 12:49:07,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:07,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-13 12:49:07,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:07,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-13 12:49:07,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:07,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 12:49:07,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:07,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 12:49:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:07,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 12:49:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:49:07,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:07,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 12:49:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-13 12:49:07,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 12:49:07,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:07,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 12:49:07,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:49:07,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:07,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 12:49:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:49:07,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 12:49:07,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 12:49:07,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 12:49:07,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 12:49:07,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:49:07,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 12:49:07,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 12:49:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 12:49:07,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:07,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:49:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:49:07,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:07,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 12:49:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:07,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 12:49:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 12:49:07,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:07,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-13 12:49:07,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 12:49:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:07,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:07,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 12:49:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 12:49:07,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 12:49:07,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-13 12:49:07,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 12:49:07,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 12:49:07,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 12:49:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 12:49:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 12:49:07,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 12:49:07,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-13 12:49:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 12:49:07,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 12:49:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 12:49:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-13 12:49:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 12:49:07,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 12:49:07,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 12:49:07,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 12:49:07,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 12:49:07,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 12:49:07,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 12:49:07,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 12:49:07,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 12:49:07,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 12:49:07,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 12:49:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2020-10-13 12:49:07,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033299999] [2020-10-13 12:49:07,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 12:49:07,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 12:49:07,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919648006] [2020-10-13 12:49:07,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 12:49:07,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 12:49:07,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 12:49:07,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-13 12:49:07,598 INFO L87 Difference]: Start difference. First operand 1340 states and 1615 transitions. Second operand 10 states. [2020-10-13 12:49:09,137 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:09,371 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-13 12:49:09,614 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:09,846 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-13 12:49:10,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 12:49:10,007 INFO L93 Difference]: Finished difference Result 1729 states and 2097 transitions. [2020-10-13 12:49:10,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 12:49:10,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 192 [2020-10-13 12:49:10,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 12:49:10,009 INFO L225 Difference]: With dead ends: 1729 [2020-10-13 12:49:10,009 INFO L226 Difference]: Without dead ends: 0 [2020-10-13 12:49:10,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-13 12:49:10,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-13 12:49:10,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-13 12:49:10,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-13 12:49:10,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-13 12:49:10,015 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2020-10-13 12:49:10,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 12:49:10,015 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-13 12:49:10,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 12:49:10,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-13 12:49:10,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-13 12:49:10,015 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 12:49:10,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-13 12:49:10,156 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-10-13 12:49:10,421 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 204 [2020-10-13 12:49:10,696 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 203 [2020-10-13 12:49:12,649 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 273 DAG size of output: 256 [2020-10-13 12:49:13,961 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-10-13 12:49:15,778 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 256 [2020-10-13 12:49:16,095 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-10-13 12:49:16,784 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2020-10-13 12:49:17,242 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 251 [2020-10-13 12:49:18,086 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 11 [2020-10-13 12:49:18,524 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 20 [2020-10-13 12:49:18,751 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-13 12:49:18,932 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-13 12:49:19,095 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-13 12:49:19,292 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2020-10-13 12:49:19,473 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-13 12:49:19,666 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-13 12:49:20,472 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 29 [2020-10-13 12:49:20,844 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 20 [2020-10-13 12:49:21,540 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 34 [2020-10-13 12:49:22,025 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 22 [2020-10-13 12:49:22,217 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-10-13 12:49:22,415 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 24 [2020-10-13 12:49:23,032 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 29 [2020-10-13 12:49:23,734 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 24 [2020-10-13 12:49:23,882 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-10-13 12:49:24,550 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 22 [2020-10-13 12:49:24,735 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 15 [2020-10-13 12:49:24,966 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 18 [2020-10-13 12:49:25,644 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-10-13 12:49:25,962 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 15 [2020-10-13 12:49:26,118 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-10-13 12:49:26,281 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-13 12:49:26,593 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 15 [2020-10-13 12:49:27,398 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 29 [2020-10-13 12:49:27,544 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 11 [2020-10-13 12:49:28,128 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 29 [2020-10-13 12:49:28,317 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 24 [2020-10-13 12:49:28,466 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-13 12:49:28,636 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-13 12:49:28,973 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 14 [2020-10-13 12:49:29,613 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 33 [2020-10-13 12:49:30,334 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 28 [2020-10-13 12:49:30,483 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-13 12:49:30,654 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-13 12:49:30,823 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-13 12:49:30,998 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 23 [2020-10-13 12:49:31,571 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 28 [2020-10-13 12:49:31,954 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 11 [2020-10-13 12:49:32,686 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 27 [2020-10-13 12:49:32,836 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 1 [2020-10-13 12:49:32,841 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-10-13 12:49:32,841 INFO L268 CegarLoopResult]: For program point L532-1(lines 532 536) no Hoare annotation was computed. [2020-10-13 12:49:32,841 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 501 556) no Hoare annotation was computed. [2020-10-13 12:49:32,842 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-10-13 12:49:32,842 INFO L268 CegarLoopResult]: For program point L526-2(lines 526 547) no Hoare annotation was computed. [2020-10-13 12:49:32,842 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 501 556) no Hoare annotation was computed. [2020-10-13 12:49:32,842 INFO L268 CegarLoopResult]: For program point L548(lines 525 549) no Hoare annotation was computed. [2020-10-13 12:49:32,842 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 501 556) no Hoare annotation was computed. [2020-10-13 12:49:32,843 INFO L268 CegarLoopResult]: For program point L609(lines 582 610) no Hoare annotation was computed. [2020-10-13 12:49:32,843 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-10-13 12:49:32,843 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-10-13 12:49:32,843 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 557 616) no Hoare annotation was computed. [2020-10-13 12:49:32,843 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 557 616) no Hoare annotation was computed. [2020-10-13 12:49:32,844 INFO L268 CegarLoopResult]: For program point L589(lines 589 593) no Hoare annotation was computed. [2020-10-13 12:49:32,844 INFO L268 CegarLoopResult]: For program point L589-1(lines 589 593) no Hoare annotation was computed. [2020-10-13 12:49:32,844 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 557 616) no Hoare annotation was computed. [2020-10-13 12:49:32,844 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-10-13 12:49:32,844 INFO L268 CegarLoopResult]: For program point L583-2(lines 583 608) no Hoare annotation was computed. [2020-10-13 12:49:32,844 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 932 938) the Hoare annotation is: true [2020-10-13 12:49:32,845 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 932 938) no Hoare annotation was computed. [2020-10-13 12:49:32,845 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 939 947) no Hoare annotation was computed. [2020-10-13 12:49:32,845 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 939 947) the Hoare annotation is: true [2020-10-13 12:49:32,845 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 939 947) no Hoare annotation was computed. [2020-10-13 12:49:32,845 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 958 982) the Hoare annotation is: true [2020-10-13 12:49:32,845 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 958 982) no Hoare annotation was computed. [2020-10-13 12:49:32,845 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (and (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0))) (or (not (<= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= ~pumpRunning~0 0)))) [2020-10-13 12:49:32,846 INFO L268 CegarLoopResult]: For program point L970(lines 970 976) no Hoare annotation was computed. [2020-10-13 12:49:32,846 INFO L264 CegarLoopResult]: At program point L968(line 968) the Hoare annotation is: (and (or (= 0 ~systemActive~0) (not (<= 2 ~waterLevel~0))) (or (not (<= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= ~pumpRunning~0 0)))) [2020-10-13 12:49:32,846 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-10-13 12:49:32,846 INFO L268 CegarLoopResult]: For program point L966(lines 966 979) no Hoare annotation was computed. [2020-10-13 12:49:32,846 INFO L268 CegarLoopResult]: For program point L966-1(lines 958 982) no Hoare annotation was computed. [2020-10-13 12:49:32,846 INFO L271 CegarLoopResult]: At program point L964(line 964) the Hoare annotation is: true [2020-10-13 12:49:32,846 INFO L268 CegarLoopResult]: For program point L964-1(line 964) no Hoare annotation was computed. [2020-10-13 12:49:32,847 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:32,847 INFO L264 CegarLoopResult]: At program point L896(line 896) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:32,847 INFO L264 CegarLoopResult]: At program point L896-1(line 896) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:32,847 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 890 912) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:32,847 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 890 912) no Hoare annotation was computed. [2020-10-13 12:49:32,847 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 890 912) no Hoare annotation was computed. [2020-10-13 12:49:32,848 INFO L264 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:32,848 INFO L264 CegarLoopResult]: At program point L902-1(line 902) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:32,848 INFO L268 CegarLoopResult]: For program point L900(lines 900 907) no Hoare annotation was computed. [2020-10-13 12:49:32,848 INFO L268 CegarLoopResult]: For program point L900-1(lines 900 907) no Hoare annotation was computed. [2020-10-13 12:49:32,848 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-10-13 12:49:32,848 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-10-13 12:49:32,848 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 846 869) no Hoare annotation was computed. [2020-10-13 12:49:32,848 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-10-13 12:49:32,849 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-10-13 12:49:32,849 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-10-13 12:49:32,849 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 846 869) no Hoare annotation was computed. [2020-10-13 12:49:32,849 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-10-13 12:49:32,849 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 846 869) no Hoare annotation was computed. [2020-10-13 12:49:32,849 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-10-13 12:49:32,849 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-10-13 12:49:32,849 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-10-13 12:49:32,849 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-10-13 12:49:32,850 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-10-13 12:49:32,850 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-10-13 12:49:32,850 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-10-13 12:49:32,850 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-10-13 12:49:32,850 INFO L268 CegarLoopResult]: For program point L851(line 851) no Hoare annotation was computed. [2020-10-13 12:49:32,850 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 355 369) no Hoare annotation was computed. [2020-10-13 12:49:32,850 INFO L264 CegarLoopResult]: At program point L361(line 361) the Hoare annotation is: (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)))) [2020-10-13 12:49:32,850 INFO L268 CegarLoopResult]: For program point L359(lines 359 365) no Hoare annotation was computed. [2020-10-13 12:49:32,850 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 355 369) the Hoare annotation is: (let ((.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~systemActive~0)| 0) .cse2 .cse3))) [2020-10-13 12:49:32,850 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 355 369) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 336 354) the Hoare annotation is: true [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point L345(lines 345 349) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L271 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: true [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point L345-2(lines 345 349) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point L343-1(line 343) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 336 354) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 336 354) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point L288(lines 288 296) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 296) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point L311(line 311) no Hoare annotation was computed. [2020-10-13 12:49:32,851 INFO L268 CegarLoopResult]: For program point L311-1(line 311) no Hoare annotation was computed. [2020-10-13 12:49:32,852 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 281 316) no Hoare annotation was computed. [2020-10-13 12:49:32,852 INFO L268 CegarLoopResult]: For program point L300(lines 300 308) no Hoare annotation was computed. [2020-10-13 12:49:32,852 INFO L268 CegarLoopResult]: For program point L300-2(lines 300 308) no Hoare annotation was computed. [2020-10-13 12:49:32,852 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 281 316) no Hoare annotation was computed. [2020-10-13 12:49:32,852 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 281 316) no Hoare annotation was computed. [2020-10-13 12:49:32,852 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 925 931) no Hoare annotation was computed. [2020-10-13 12:49:32,852 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 925 931) the Hoare annotation is: true [2020-10-13 12:49:32,852 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 455 500) no Hoare annotation was computed. [2020-10-13 12:49:32,852 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 455 500) no Hoare annotation was computed. [2020-10-13 12:49:32,852 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 455 500) no Hoare annotation was computed. [2020-10-13 12:49:32,852 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 768 813) no Hoare annotation was computed. [2020-10-13 12:49:32,853 INFO L268 CegarLoopResult]: For program point L788(lines 788 795) no Hoare annotation was computed. [2020-10-13 12:49:32,853 INFO L268 CegarLoopResult]: For program point L782(lines 782 802) no Hoare annotation was computed. [2020-10-13 12:49:32,853 INFO L268 CegarLoopResult]: For program point L782-1(lines 782 802) no Hoare annotation was computed. [2020-10-13 12:49:32,853 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 768 813) no Hoare annotation was computed. [2020-10-13 12:49:32,853 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 768 813) no Hoare annotation was computed. [2020-10-13 12:49:32,853 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 877 886) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:32,853 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 877 886) no Hoare annotation was computed. [2020-10-13 12:49:32,853 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 877 886) no Hoare annotation was computed. [2020-10-13 12:49:32,853 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 261 271) no Hoare annotation was computed. [2020-10-13 12:49:32,854 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2020-10-13 12:49:32,854 INFO L268 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-10-13 12:49:32,854 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-10-13 12:49:32,854 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2020-10-13 12:49:32,854 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:49:32,854 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2020-10-13 12:49:32,854 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2020-10-13 12:49:32,854 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-10-13 12:49:32,854 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-10-13 12:49:32,855 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-10-13 12:49:32,855 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-10-13 12:49:32,855 INFO L268 CegarLoopResult]: For program point L226-1(line 226) no Hoare annotation was computed. [2020-10-13 12:49:32,855 INFO L268 CegarLoopResult]: For program point L224(lines 224 241) no Hoare annotation was computed. [2020-10-13 12:49:32,855 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2020-10-13 12:49:32,855 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-10-13 12:49:32,855 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0))) [2020-10-13 12:49:32,855 INFO L268 CegarLoopResult]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2020-10-13 12:49:32,855 INFO L264 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2020-10-13 12:49:32,855 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~1)) .cse1))) [2020-10-13 12:49:32,856 INFO L268 CegarLoopResult]: For program point L228(lines 228 236) no Hoare annotation was computed. [2020-10-13 12:49:32,856 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-10-13 12:49:32,856 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2020-10-13 12:49:32,856 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2020-10-13 12:49:32,856 INFO L264 CegarLoopResult]: At program point testENTRY(lines 380 447) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-10-13 12:49:32,856 INFO L264 CegarLoopResult]: At program point L440(lines 389 441) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|))) [2020-10-13 12:49:32,856 INFO L268 CegarLoopResult]: For program point testFINAL(lines 380 447) no Hoare annotation was computed. [2020-10-13 12:49:32,857 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)))) [2020-10-13 12:49:32,857 INFO L268 CegarLoopResult]: For program point L428(lines 428 434) no Hoare annotation was computed. [2020-10-13 12:49:32,857 INFO L264 CegarLoopResult]: At program point L428-1(lines 420 435) the Hoare annotation is: (let ((.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse3))) [2020-10-13 12:49:32,857 INFO L268 CegarLoopResult]: For program point L391(lines 390 439) no Hoare annotation was computed. [2020-10-13 12:49:32,857 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (<= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0)))) [2020-10-13 12:49:32,857 INFO L268 CegarLoopResult]: For program point L420(lines 420 435) no Hoare annotation was computed. [2020-10-13 12:49:32,858 INFO L264 CegarLoopResult]: At program point L412(line 412) the Hoare annotation is: (let ((.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse3))) [2020-10-13 12:49:32,858 INFO L268 CegarLoopResult]: For program point L410(lines 410 416) no Hoare annotation was computed. [2020-10-13 12:49:32,858 INFO L268 CegarLoopResult]: For program point L410-1(lines 410 416) no Hoare annotation was computed. [2020-10-13 12:49:32,858 INFO L264 CegarLoopResult]: At program point L437(lines 390 439) the Hoare annotation is: (let ((.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse3))) [2020-10-13 12:49:32,858 INFO L264 CegarLoopResult]: At program point L402(line 402) the Hoare annotation is: (let ((.cse1 (<= 0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (or (not (<= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (= |old(~systemActive~0)| 0) (not (<= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2) (and .cse0 (not (= 0 ~systemActive~0)) .cse3))) [2020-10-13 12:49:32,858 INFO L268 CegarLoopResult]: For program point L400(lines 400 406) no Hoare annotation was computed. [2020-10-13 12:49:32,858 INFO L268 CegarLoopResult]: For program point L400-1(lines 400 406) no Hoare annotation was computed. [2020-10-13 12:49:32,858 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-10-13 12:49:32,858 INFO L268 CegarLoopResult]: For program point testEXIT(lines 380 447) no Hoare annotation was computed. [2020-10-13 12:49:32,858 INFO L268 CegarLoopResult]: For program point L736(lines 736 756) no Hoare annotation was computed. [2020-10-13 12:49:32,858 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 756) no Hoare annotation was computed. [2020-10-13 12:49:32,858 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 722 767) no Hoare annotation was computed. [2020-10-13 12:49:32,858 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 722 767) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 722 767) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point L742(lines 742 749) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 619 721) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point L669(lines 668 688) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point L700-1(line 700) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point L665(lines 665 706) no Hoare annotation was computed. [2020-10-13 12:49:32,859 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point L684-1(line 684) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 619 721) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point L643(lines 643 647) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point L707(lines 707 718) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point L670(lines 670 674) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 688) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 619 721) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point L689(lines 667 690) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point L648(lines 648 664) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point L708(lines 708 715) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 915 924) no Hoare annotation was computed. [2020-10-13 12:49:32,860 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 915 924) no Hoare annotation was computed. [2020-10-13 12:49:32,861 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 915 924) no Hoare annotation was computed. [2020-10-13 12:49:32,861 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:49:32,861 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-10-13 12:49:32,861 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:49:32,861 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2020-10-13 12:49:32,862 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2020-10-13 12:49:32,862 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 2 ~waterLevel~0))) [2020-10-13 12:49:32,862 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-10-13 12:49:32,862 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-10-13 12:49:32,862 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-10-13 12:49:32,862 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2020-10-13 12:49:32,862 INFO L268 CegarLoopResult]: For program point L326(lines 326 330) no Hoare annotation was computed. [2020-10-13 12:49:32,862 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2020-10-13 12:49:32,862 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2020-10-13 12:49:32,863 INFO L271 CegarLoopResult]: At program point L324(line 324) the Hoare annotation is: true [2020-10-13 12:49:32,863 INFO L268 CegarLoopResult]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2020-10-13 12:49:32,863 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-10-13 12:49:32,863 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-10-13 12:49:32,863 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (= 0 ~systemActive~0) .cse0 (not (<= 2 ~waterLevel~0))) (or (not (<= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= ~pumpRunning~0 0)) .cse0))) [2020-10-13 12:49:32,863 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-10-13 12:49:32,863 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:49:32,863 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-13 12:49:32,863 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:49:32,863 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 86 94) no Hoare annotation was computed. [2020-10-13 12:49:32,864 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-10-13 12:49:32,864 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-10-13 12:49:32,864 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)))) [2020-10-13 12:49:32,864 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse3 .cse5) (or (and .cse2 .cse4) .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1 (not .cse5)))) [2020-10-13 12:49:32,864 INFO L264 CegarLoopResult]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (and .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (<= 0 |old(~pumpRunning~0)|)))) (and (let ((.cse0 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (not (<= 2 |old(~waterLevel~0)|)) (and (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0) .cse0) .cse1 (and .cse2 .cse0))) (or .cse3 .cse4 .cse5 .cse6 (not .cse1)) (or (and .cse7 .cse2) .cse3 .cse4 .cse5 .cse6)))) [2020-10-13 12:49:32,864 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2020-10-13 12:49:32,864 INFO L264 CegarLoopResult]: At program point L168(line 168) the Hoare annotation is: (and (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 0 |old(~pumpRunning~0)|))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0))) [2020-10-13 12:49:32,864 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2020-10-13 12:49:32,865 INFO L268 CegarLoopResult]: For program point L166(lines 165 184) no Hoare annotation was computed. [2020-10-13 12:49:32,865 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 816 845) no Hoare annotation was computed. [2020-10-13 12:49:32,865 INFO L268 CegarLoopResult]: For program point L830(lines 830 834) no Hoare annotation was computed. [2020-10-13 12:49:32,865 INFO L271 CegarLoopResult]: At program point L830-1(lines 830 834) the Hoare annotation is: true [2020-10-13 12:49:32,865 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 816 845) the Hoare annotation is: true [2020-10-13 12:49:32,865 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-10-13 12:49:32,865 INFO L271 CegarLoopResult]: At program point L826-2(lines 826 840) the Hoare annotation is: true [2020-10-13 12:49:32,865 INFO L271 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: true [2020-10-13 12:49:32,865 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-10-13 12:49:32,865 INFO L271 CegarLoopResult]: At program point L841(lines 816 845) the Hoare annotation is: true [2020-10-13 12:49:32,866 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-10-13 12:49:32,866 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)) [2020-10-13 12:49:32,866 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-10-13 12:49:32,866 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-10-13 12:49:32,866 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 870 876) no Hoare annotation was computed. [2020-10-13 12:49:32,866 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 870 876) the Hoare annotation is: true [2020-10-13 12:49:32,866 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-13 12:49:32,866 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (<= 0 ~pumpRunning~0) (<= ~pumpRunning~0 0)) [2020-10-13 12:49:32,866 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-13 12:49:32,866 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-13 12:49:32,866 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2020-10-13 12:49:32,866 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0))) (or .cse0 (not (<= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= ~pumpRunning~0 0))))) [2020-10-13 12:49:32,866 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2020-10-13 12:49:32,867 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-10-13 12:49:32,867 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2020-10-13 12:49:32,867 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2020-10-13 12:49:32,867 INFO L268 CegarLoopResult]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2020-10-13 12:49:32,867 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= processEnvironment__wrappee__highWaterSensor_~tmp~0 0) (< 0 (+ processEnvironment__wrappee__highWaterSensor_~tmp~0 1))) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2020-10-13 12:49:32,867 INFO L264 CegarLoopResult]: At program point L204(line 204) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0)) (not (<= 1 ~waterLevel~0)) (= 0 ~systemActive~0)) [2020-10-13 12:49:32,867 INFO L268 CegarLoopResult]: For program point L202(lines 202 210) no Hoare annotation was computed. [2020-10-13 12:49:32,867 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (<= |old(~pumpRunning~0)| 0)) (not (<= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0)) [2020-10-13 12:49:32,867 INFO L268 CegarLoopResult]: For program point L200-1(line 200) no Hoare annotation was computed. [2020-10-13 12:49:32,867 INFO L268 CegarLoopResult]: For program point L198(lines 198 215) no Hoare annotation was computed. [2020-10-13 12:49:32,867 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-10-13 12:49:32,867 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-10-13 12:49:32,867 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 1 |old(~waterLevel~0)|)) .cse0 (not (<= 0 ~pumpRunning~0)) (not (<= ~pumpRunning~0 0))) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= 0 ~systemActive~0)))) [2020-10-13 12:49:32,868 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 949 956) no Hoare annotation was computed. [2020-10-13 12:49:32,868 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 953) no Hoare annotation was computed. [2020-10-13 12:49:32,868 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 949 956) the Hoare annotation is: true [2020-10-13 12:49:32,868 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 949 956) no Hoare annotation was computed. [2020-10-13 12:49:32,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:49:32 BoogieIcfgContainer [2020-10-13 12:49:32,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-13 12:49:32,887 INFO L168 Benchmark]: Toolchain (without parser) took 107638.83 ms. Allocated memory was 144.7 MB in the beginning and 1.1 GB in the end (delta: 992.5 MB). Free memory was 101.1 MB in the beginning and 934.1 MB in the end (delta: -833.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-13 12:49:32,887 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-13 12:49:32,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.84 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.9 MB in the beginning and 169.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-10-13 12:49:32,889 INFO L168 Benchmark]: Boogie Preprocessor took 85.04 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 165.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-10-13 12:49:32,889 INFO L168 Benchmark]: RCFGBuilder took 1251.06 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 165.0 MB in the beginning and 194.2 MB in the end (delta: -29.2 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-10-13 12:49:32,890 INFO L168 Benchmark]: TraceAbstraction took 105671.88 ms. Allocated memory was 235.4 MB in the beginning and 1.1 GB in the end (delta: 901.8 MB). Free memory was 194.2 MB in the beginning and 934.1 MB in the end (delta: -739.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2020-10-13 12:49:32,893 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 144.7 MB. Free memory was 120.7 MB in the beginning and 120.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 625.84 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 100.9 MB in the beginning and 169.8 MB in the end (delta: -68.9 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.04 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 165.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1251.06 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 165.0 MB in the beginning and 194.2 MB in the end (delta: -29.2 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 105671.88 ms. Allocated memory was 235.4 MB in the beginning and 1.1 GB in the end (delta: 901.8 MB). Free memory was 194.2 MB in the beginning and 934.1 MB in the end (delta: -739.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 953]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 389]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) <= 0) || !(\old(waterLevel) == 1)) || \old(systemActive) == 0) || !(0 <= \old(pumpRunning)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) <= 0) || !(\old(waterLevel) == 1)) || (((\old(waterLevel) == waterLevel && splverifierCounter <= 0) && 0 <= pumpRunning) && pumpRunning <= 0)) || \old(systemActive) == 0) || !(0 <= \old(pumpRunning))) || (((splverifierCounter <= 0 && 2 <= waterLevel) && 0 <= pumpRunning) && pumpRunning <= 0)) || ((splverifierCounter <= 0 && !(0 == systemActive)) && 2 <= waterLevel) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 82.7s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 39.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 22.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1564 SDtfs, 2987 SDslu, 1562 SDs, 0 SdLazy, 8086 SolverSat, 2111 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 532 GetRequests, 381 SyntacticMatches, 9 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1340occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 729 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1931 PreInvPairs, 2034 NumberOfFragments, 1433 HoareAnnotationTreeSize, 1931 FomulaSimplifications, 32468874 FormulaSimplificationTreeSizeReduction, 7.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 834732 FormulaSimplificationTreeSizeReductionInter, 14.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 41.4s InterpolantComputationTime, 1133 NumberOfCodeBlocks, 1133 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1122 ConstructedInterpolants, 0 QuantifiedInterpolants, 428204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 305/332 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...