/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:47:41,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:47:41,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:47:41,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:47:41,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:47:41,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:47:41,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:47:41,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:47:41,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:47:41,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:47:41,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:47:41,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:47:41,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:47:41,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:47:41,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:47:41,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:47:41,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:47:41,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:47:41,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:47:41,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:47:41,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:47:41,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:47:41,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:47:41,317 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:47:41,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:47:41,322 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:47:41,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:47:41,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:47:41,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:47:41,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:47:41,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:47:41,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:47:41,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:47:41,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:47:41,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:47:41,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:47:41,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:47:41,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:47:41,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:47:41,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:47:41,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:47:41,334 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 08:47:41,360 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:47:41,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:47:41,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:47:41,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:47:41,362 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:47:41,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:47:41,362 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:47:41,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:47:41,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:47:41,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:47:41,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:47:41,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:47:41,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:47:41,364 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:47:41,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:47:41,364 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:47:41,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:47:41,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:47:41,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:47:41,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:47:41,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:47:41,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:47:41,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:47:41,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:47:41,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:47:41,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:47:41,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:47:41,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:47:41,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:47:41,367 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:47:41,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:47:41,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:47:41,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:47:41,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:47:41,868 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:47:41,869 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2020-09-25 08:47:41,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87d3cb0d7/53adfbf5a796492ba0d614afb60105cf/FLAG9ae28d68f [2020-09-25 08:47:42,569 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:47:42,570 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product19.cil.c [2020-09-25 08:47:42,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87d3cb0d7/53adfbf5a796492ba0d614afb60105cf/FLAG9ae28d68f [2020-09-25 08:47:42,840 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/87d3cb0d7/53adfbf5a796492ba0d614afb60105cf [2020-09-25 08:47:42,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:47:42,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:47:42,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:47:42,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:47:42,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:47:42,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:47:42" (1/1) ... [2020-09-25 08:47:42,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d2c9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:42, skipping insertion in model container [2020-09-25 08:47:42,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:47:42" (1/1) ... [2020-09-25 08:47:42,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:47:42,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:47:43,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:47:43,535 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:47:43,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:47:43,658 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:47:43,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43 WrapperNode [2020-09-25 08:47:43,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:47:43,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:47:43,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:47:43,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:47:43,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43" (1/1) ... [2020-09-25 08:47:43,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43" (1/1) ... [2020-09-25 08:47:43,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43" (1/1) ... [2020-09-25 08:47:43,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43" (1/1) ... [2020-09-25 08:47:43,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43" (1/1) ... [2020-09-25 08:47:43,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43" (1/1) ... [2020-09-25 08:47:43,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43" (1/1) ... [2020-09-25 08:47:43,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:47:43,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:47:43,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:47:43,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:47:43,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:47:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:47:43,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:47:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:47:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:47:43,851 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:47:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:47:43,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:47:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:47:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:47:43,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:47:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:47:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:47:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:47:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:47:43,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:47:43,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:47:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:47:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:47:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:47:43,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:47:43,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:47:43,858 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:47:43,858 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:47:43,858 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:47:43,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:47:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:47:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:47:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:47:43,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:47:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:47:43,860 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:47:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:47:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:47:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:47:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:47:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:47:43,861 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:47:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:47:43,862 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:47:43,864 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:47:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:47:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:47:43,864 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:47:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:47:43,865 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:47:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:47:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:47:43,866 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:47:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:47:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:47:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:47:43,867 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:47:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:47:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:47:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:47:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:47:43,868 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:47:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:47:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:47:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:47:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:47:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:47:43,869 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:47:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:47:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:47:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:47:43,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:47:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:47:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:47:43,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:47:43,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:47:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:47:43,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:47:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:47:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:47:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:47:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:47:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:47:43,874 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:47:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:47:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:47:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:47:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:47:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:47:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:47:43,875 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:47:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:47:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:47:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:47:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:47:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:47:43,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:47:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:47:43,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:47:45,038 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:47:45,039 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:47:45,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:47:45 BoogieIcfgContainer [2020-09-25 08:47:45,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:47:45,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:47:45,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:47:45,052 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:47:45,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:47:42" (1/3) ... [2020-09-25 08:47:45,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4c69c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:47:45, skipping insertion in model container [2020-09-25 08:47:45,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:47:43" (2/3) ... [2020-09-25 08:47:45,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c4c69c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:47:45, skipping insertion in model container [2020-09-25 08:47:45,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:47:45" (3/3) ... [2020-09-25 08:47:45,056 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2020-09-25 08:47:45,068 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:47:45,080 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:47:45,101 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:47:45,132 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:47:45,132 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:47:45,132 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:47:45,132 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:47:45,132 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:47:45,132 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:47:45,133 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:47:45,133 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:47:45,164 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states. [2020-09-25 08:47:45,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:47:45,183 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:47:45,185 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:47:45,185 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:47:45,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:47:45,194 INFO L82 PathProgramCache]: Analyzing trace with hash 533033246, now seen corresponding path program 1 times [2020-09-25 08:47:45,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:47:45,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1015650897] [2020-09-25 08:47:45,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:47:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:45,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:45,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:47,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:47,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:50,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:50,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:50,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 08:47:50,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:47:50,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5053 [2020-09-25 08:47:50,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:50,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 08:47:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:50,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 13 [2020-09-25 08:47:51,153 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:47:51,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:51,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:47:51,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-25 08:47:51,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:51,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:47:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:51,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:51,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:51,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:51,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:51,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:51,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:47:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:51,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:51,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:51,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:51,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:51,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:51,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:47:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:51,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:51,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:51,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:47:51,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,368 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:51,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:51,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:47:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:51,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:51,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:51,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:51,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:51,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:51,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:47:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:51,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:47:51,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:51,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:51,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:51,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:51,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:47:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:51,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:47:51,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:51,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:51,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:47:51,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:51,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:51,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:51,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:51,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:51,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:51,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:51,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 08:47:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:51,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:51,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:51,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:51,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:51,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:51,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:47:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:51,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:51,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:51,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:51,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:51,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:51,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:51,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:51,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:51,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:47:51,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1015650897] [2020-09-25 08:47:51,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:47:51,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:47:51,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570332723] [2020-09-25 08:47:51,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:47:51,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:47:51,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:47:51,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:47:51,492 INFO L87 Difference]: Start difference. First operand 294 states. Second operand 4 states. [2020-09-25 08:47:52,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:47:52,694 INFO L93 Difference]: Finished difference Result 446 states and 527 transitions. [2020-09-25 08:47:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:47:52,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 08:47:52,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:47:52,716 INFO L225 Difference]: With dead ends: 446 [2020-09-25 08:47:52,717 INFO L226 Difference]: Without dead ends: 288 [2020-09-25 08:47:52,723 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:47:52,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-09-25 08:47:52,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 243. [2020-09-25 08:47:52,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2020-09-25 08:47:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 264 transitions. [2020-09-25 08:47:52,857 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 264 transitions. Word has length 160 [2020-09-25 08:47:52,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:47:52,861 INFO L479 AbstractCegarLoop]: Abstraction has 243 states and 264 transitions. [2020-09-25 08:47:52,861 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:47:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 264 transitions. [2020-09-25 08:47:52,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:47:52,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:47:52,873 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:47:52,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:47:52,873 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:47:52,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:47:52,874 INFO L82 PathProgramCache]: Analyzing trace with hash -536188281, now seen corresponding path program 1 times [2020-09-25 08:47:52,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:47:52,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890087496] [2020-09-25 08:47:52,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:47:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:53,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:53,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:54,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:55,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:56,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:57,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:57,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 08:47:57,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:47:57,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-09-25 08:47:57,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:57,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:57,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:47:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 08:47:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:47:57,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:58,457 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:47:58,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:58,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:58,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:58,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:47:58,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:58,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-09-25 08:47:58,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:58,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:58,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:58,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:58,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:58,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:47:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:58,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:58,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:58,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:58,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:58,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:58,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:58,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:58,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:58,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:58,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:47:58,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:47:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:58,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:58,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:58,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:58,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:58,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:58,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:58,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:58,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:58,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:58,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:58,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:58,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:47:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:58,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:58,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:58,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:58,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:58,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:47:58,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:58,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:58,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:58,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:58,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:58,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:47:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:58,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:58,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:58,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:47:58,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:58,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:58,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:58,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:58,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:58,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:58,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:58,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:47:58,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:47:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:58,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:58,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:58,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:47:58,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:58,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:58,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:58,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:58,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:58,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:47:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:58,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:58,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:58,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:47:58,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:58,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:47:58,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:58,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:58,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:58,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:47:58,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:58,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:58,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:47:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:58,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:58,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:58,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:58,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:58,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:58,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:47:58,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:58,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:58,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:47:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:58,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:58,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:58,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:58,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:58,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:47:58,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:58,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:58,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:58,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:58,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:58,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:47:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:47:58,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:47:58,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:47:58,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:47:58,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:47:58,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:47:58,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:47:58,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:47:58,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:47:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:47:58,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:47:58,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:47:58,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:47:58,812 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890087496] [2020-09-25 08:47:58,812 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:47:58,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:47:58,813 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817094114] [2020-09-25 08:47:58,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:47:58,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:47:58,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:47:58,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:47:58,819 INFO L87 Difference]: Start difference. First operand 243 states and 264 transitions. Second operand 5 states. [2020-09-25 08:47:59,624 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:00,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:00,349 INFO L93 Difference]: Finished difference Result 369 states and 415 transitions. [2020-09-25 08:48:00,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:48:00,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 08:48:00,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:00,353 INFO L225 Difference]: With dead ends: 369 [2020-09-25 08:48:00,354 INFO L226 Difference]: Without dead ends: 277 [2020-09-25 08:48:00,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:48:00,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2020-09-25 08:48:00,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 233. [2020-09-25 08:48:00,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-25 08:48:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 251 transitions. [2020-09-25 08:48:00,409 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 251 transitions. Word has length 161 [2020-09-25 08:48:00,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:00,411 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 251 transitions. [2020-09-25 08:48:00,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:48:00,411 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 251 transitions. [2020-09-25 08:48:00,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-25 08:48:00,413 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:00,414 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:48:00,414 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:48:00,414 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:00,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:00,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1352646037, now seen corresponding path program 1 times [2020-09-25 08:48:00,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:00,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963735035] [2020-09-25 08:48:00,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:00,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:01,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:01,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:02,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:05,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:05,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-25 08:48:05,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:48:05,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 08:48:05,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:05,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:48:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 08:48:05,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-25 08:48:05,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:05,923 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:05,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:05,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:06,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 212 [2020-09-25 08:48:06,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:06,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 08:48:06,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:06,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:06,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:06,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:48:06,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:06,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:48:06,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:06,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:06,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:06,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:06,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:06,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:06,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:48:06,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:06,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:06,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:06,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:48:06,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:06,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:48:06,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:06,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:06,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:06,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:06,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:48:06,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:06,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:06,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:06,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:06,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:06,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 08:48:06,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:06,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:48:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:06,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:06,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:06,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:48:06,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:06,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:06,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:06,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:06,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:06,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:06,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:06,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:48:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:06,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:06,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:06,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:06,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 08:48:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:06,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:06,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:06,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:06,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:06,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:06,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:06,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:06,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:06,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:06,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:06,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:48:06,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963735035] [2020-09-25 08:48:06,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:06,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:48:06,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300651403] [2020-09-25 08:48:06,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:48:06,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:06,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:48:06,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:48:06,352 INFO L87 Difference]: Start difference. First operand 233 states and 251 transitions. Second operand 5 states. [2020-09-25 08:48:06,861 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:08,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:08,214 INFO L93 Difference]: Finished difference Result 519 states and 593 transitions. [2020-09-25 08:48:08,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:48:08,215 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-25 08:48:08,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:08,219 INFO L225 Difference]: With dead ends: 519 [2020-09-25 08:48:08,219 INFO L226 Difference]: Without dead ends: 401 [2020-09-25 08:48:08,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:48:08,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-09-25 08:48:08,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 345. [2020-09-25 08:48:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2020-09-25 08:48:08,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 382 transitions. [2020-09-25 08:48:08,274 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 382 transitions. Word has length 170 [2020-09-25 08:48:08,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:08,275 INFO L479 AbstractCegarLoop]: Abstraction has 345 states and 382 transitions. [2020-09-25 08:48:08,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:48:08,275 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 382 transitions. [2020-09-25 08:48:08,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-25 08:48:08,277 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:08,277 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:48:08,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:48:08,278 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:08,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:08,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1183570364, now seen corresponding path program 1 times [2020-09-25 08:48:08,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:08,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2147138773] [2020-09-25 08:48:08,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:08,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:08,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:09,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:11,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:13,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:13,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-25 08:48:13,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:48:13,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 08:48:13,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:13,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 08:48:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-09-25 08:48:13,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-09-25 08:48:13,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:13,813 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:13,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:13,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:13,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:13,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:13,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:13,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 08:48:13,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:13,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:13,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:13,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:13,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:13,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:13,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:13,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:13,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:13,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:13,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:13,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:13,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:13,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:13,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:13,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:13,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:13,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:13,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:13,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:13,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:13,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:13,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:13,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:13,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:13,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:13,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:13,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:13,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:13,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:13,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:13,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:13,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:13,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:13,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:14,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:14,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:14,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:14,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:14,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:14,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:48:14,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:14,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:14,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:14,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:14,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:14,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:14,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:14,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:14,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:14,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:14,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:14,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:14,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:14,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:14,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:48:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:14,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:14,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:14,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:14,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:14,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:48:14,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:14,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:48:14,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 08:48:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:14,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:14,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:14,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:14,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:14,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:14,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:48:14,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:14,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:48:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:14,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 08:48:14,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:14,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 08:48:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:14,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:14,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:14,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:48:14,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:14,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 08:48:14,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:14,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:14,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:48:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:48:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:48:14,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:14,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:48:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:14,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:14,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:14,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:14,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:14,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:14,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:14,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:14,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:48:14,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-25 08:48:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:14,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:14,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:14,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:14,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:14,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:14,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:14,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:14,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:48:14,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:14,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-25 08:48:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:14,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:14,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:14,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:14,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:14,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:48:14,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:14,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:14,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:48:14,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:14,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:48:14,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:48:14,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2147138773] [2020-09-25 08:48:14,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:14,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 08:48:14,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811392536] [2020-09-25 08:48:14,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 08:48:14,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:14,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 08:48:14,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-09-25 08:48:14,237 INFO L87 Difference]: Start difference. First operand 345 states and 382 transitions. Second operand 12 states. [2020-09-25 08:48:15,605 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:15,871 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:16,228 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:16,760 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:17,086 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:48:18,010 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:18,355 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:48:18,772 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:19,211 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:48:19,589 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:19,912 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:20,280 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 08:48:20,659 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:21,084 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:21,436 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:21,854 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 08:48:22,815 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:48:23,144 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 08:48:23,856 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:24,281 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:24,666 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:48:25,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:25,183 INFO L93 Difference]: Finished difference Result 1101 states and 1385 transitions. [2020-09-25 08:48:25,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-25 08:48:25,184 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 178 [2020-09-25 08:48:25,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:25,185 INFO L225 Difference]: With dead ends: 1101 [2020-09-25 08:48:25,185 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:48:25,190 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=390, Invalid=1332, Unknown=0, NotChecked=0, Total=1722 [2020-09-25 08:48:25,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:48:25,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:48:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:48:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:48:25,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-09-25 08:48:25,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:25,192 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:48:25,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 08:48:25,192 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:48:25,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:48:25,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:48:25,195 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:48:25,496 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 08:48:25,804 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-25 08:48:26,074 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-25 08:48:26,366 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-25 08:48:26,527 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:26,696 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:26,848 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:48:27,005 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:27,164 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:27,313 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:48:27,472 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:27,634 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:27,791 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:27,949 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:28,099 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:28,254 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:48:28,404 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:48:28,557 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:28,710 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:48:28,864 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:29,016 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:48:29,166 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:29,324 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:29,478 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:29,633 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:29,790 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:29,942 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:30,101 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:30,259 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:30,409 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:48:30,558 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:48:30,710 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:30,862 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 08:48:31,016 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:31,169 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 192