/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:57:18,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:57:18,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:57:18,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:57:18,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:57:18,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:57:18,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:57:18,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:57:18,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:57:18,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:57:18,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:57:18,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:57:18,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:57:18,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:57:18,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:57:18,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:57:18,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:57:18,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:57:18,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:57:18,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:57:18,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:57:18,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:57:18,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:57:18,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:57:18,825 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:57:18,825 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:57:18,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:57:18,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:57:18,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:57:18,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:57:18,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:57:18,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:57:18,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:57:18,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:57:18,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:57:18,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:57:18,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:57:18,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:57:18,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:57:18,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:57:18,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:57:18,834 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 11:57:18,857 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:57:18,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:57:18,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:57:18,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:57:18,859 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:57:18,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:57:18,860 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:57:18,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:57:18,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:57:18,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:57:18,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:57:18,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:57:18,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:57:18,861 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:57:18,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:57:18,861 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:57:18,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:57:18,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:57:18,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:57:18,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:57:18,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:57:18,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:57:18,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:57:18,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:57:18,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:57:18,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:57:18,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:57:18,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:57:18,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:57:18,864 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 11:57:19,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:57:19,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:57:19,306 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:57:19,308 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:57:19,308 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:57:19,309 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2020-09-25 11:57:19,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6fb9d126d/b70d293817874ee9b6ad36b07c448641/FLAGb0af257d7 [2020-09-25 11:57:19,924 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:57:19,925 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product28.cil.c [2020-09-25 11:57:19,938 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6fb9d126d/b70d293817874ee9b6ad36b07c448641/FLAGb0af257d7 [2020-09-25 11:57:20,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6fb9d126d/b70d293817874ee9b6ad36b07c448641 [2020-09-25 11:57:20,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:57:20,234 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:57:20,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:57:20,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:57:20,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:57:20,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:57:20" (1/1) ... [2020-09-25 11:57:20,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be095dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20, skipping insertion in model container [2020-09-25 11:57:20,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:57:20" (1/1) ... [2020-09-25 11:57:20,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:57:20,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:57:20,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:57:20,842 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:57:20,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:57:20,958 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:57:20,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20 WrapperNode [2020-09-25 11:57:20,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:57:20,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:57:20,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:57:20,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:57:20,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20" (1/1) ... [2020-09-25 11:57:20,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20" (1/1) ... [2020-09-25 11:57:20,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20" (1/1) ... [2020-09-25 11:57:20,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20" (1/1) ... [2020-09-25 11:57:21,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20" (1/1) ... [2020-09-25 11:57:21,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20" (1/1) ... [2020-09-25 11:57:21,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20" (1/1) ... [2020-09-25 11:57:21,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:57:21,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:57:21,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:57:21,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:57:21,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20" (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 11:57:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:57:21,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:57:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:57:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:57:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:57:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:57:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:57:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:57:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:57:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:57:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:57:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:57:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:57:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:57:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:57:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:57:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 11:57:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:57:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:57:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:57:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:57:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 11:57:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:57:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:57:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:57:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:57:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:57:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 11:57:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 11:57:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 11:57:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:57:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:57:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:57:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:57:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:57:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:57:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:57:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:57:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:57:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:57:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:57:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:57:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:57:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:57:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:57:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:57:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:57:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:57:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:57:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:57:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:57:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:57:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:57:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:57:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:57:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:57:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:57:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:57:21,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:57:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:57:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:57:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:57:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:57:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:57:21,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:57:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:57:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:57:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 11:57:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 11:57:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 11:57:21,143 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:57:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:57:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:57:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:57:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:57:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:57:21,144 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:57:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:57:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:57:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:57:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 11:57:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 11:57:21,145 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:57:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:57:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:57:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:57:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:57:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:57:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:57:21,146 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:57:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:57:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:57:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:57:21,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:57:22,370 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:57:22,370 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:57:22,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:57:22 BoogieIcfgContainer [2020-09-25 11:57:22,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:57:22,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:57:22,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:57:22,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:57:22,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:57:20" (1/3) ... [2020-09-25 11:57:22,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd0bc06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:57:22, skipping insertion in model container [2020-09-25 11:57:22,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:20" (2/3) ... [2020-09-25 11:57:22,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd0bc06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:57:22, skipping insertion in model container [2020-09-25 11:57:22,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:57:22" (3/3) ... [2020-09-25 11:57:22,389 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product28.cil.c [2020-09-25 11:57:22,400 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:57:22,411 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:57:22,432 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:57:22,459 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:57:22,459 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:57:22,459 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:57:22,459 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:57:22,459 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:57:22,460 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:57:22,460 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:57:22,460 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:57:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states. [2020-09-25 11:57:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 11:57:22,504 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:57:22,506 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:57:22,506 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:57:22,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:57:22,514 INFO L82 PathProgramCache]: Analyzing trace with hash 786494650, now seen corresponding path program 1 times [2020-09-25 11:57:22,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:57:22,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078892787] [2020-09-25 11:57:22,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:57:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:23,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:23,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:24,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:25,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:27,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:27,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 11:57:27,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:57:27,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-09-25 11:57:27,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:27,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:27,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:57:27,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:57:27,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 11:57:27,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 11:57:28,358 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:57:28,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:57:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:28,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:28,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:28,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:57:28,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:28,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 289 [2020-09-25 11:57:28,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:28,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:28,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:28,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:28,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:57:28,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:28,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:57:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:28,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:28,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:28,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:28,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:28,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:57:28,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:28,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:28,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:28,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:28,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:57:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:28,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:28,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:28,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:28,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:28,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:57:28,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:28,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:28,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:28,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:28,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:57:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:28,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:28,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:28,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:28,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:28,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:57:28,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:28,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:28,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:28,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:28,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:28,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:57:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:28,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:28,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:28,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:28,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:28,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:57:28,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:28,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:28,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:28,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:28,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:28,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:28,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:57:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:28,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:28,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:28,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:28,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:28,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:28,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:57:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:57:28,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:57:28,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:28,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:57:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:28,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:28,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:28,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:28,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:28,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:28,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:28,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:28,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:57:28,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:57:28,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:57:28,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:57:28,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078892787] [2020-09-25 11:57:28,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:57:28,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 11:57:28,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086694757] [2020-09-25 11:57:28,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 11:57:28,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:57:28,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 11:57:28,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 11:57:28,932 INFO L87 Difference]: Start difference. First operand 301 states. Second operand 4 states. [2020-09-25 11:57:29,490 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:31,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:57:31,224 INFO L93 Difference]: Finished difference Result 590 states and 720 transitions. [2020-09-25 11:57:31,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 11:57:31,226 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 11:57:31,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:57:31,248 INFO L225 Difference]: With dead ends: 590 [2020-09-25 11:57:31,248 INFO L226 Difference]: Without dead ends: 416 [2020-09-25 11:57:31,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:57:31,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-09-25 11:57:31,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 348. [2020-09-25 11:57:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-09-25 11:57:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 387 transitions. [2020-09-25 11:57:31,424 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 387 transitions. Word has length 142 [2020-09-25 11:57:31,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:57:31,425 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 387 transitions. [2020-09-25 11:57:31,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 11:57:31,426 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 387 transitions. [2020-09-25 11:57:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 11:57:31,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:57:31,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:57:31,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:57:31,442 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:57:31,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:57:31,443 INFO L82 PathProgramCache]: Analyzing trace with hash -516660334, now seen corresponding path program 1 times [2020-09-25 11:57:31,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:57:31,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125319439] [2020-09-25 11:57:31,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:57:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:31,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:31,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:32,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:32,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:34,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:36,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:36,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 11:57:36,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:57:36,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 11:57:36,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:36,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:57:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 11:57:36,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-25 11:57:36,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:36,826 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:57:36,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:57:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:36,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:57:37,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-25 11:57:37,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,088 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 11:57:37,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:57:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:37,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:37,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:37,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:57:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:37,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:37,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,143 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:37,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:57:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:37,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:57:37,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:37,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:57:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:37,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:57:37,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:37,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 11:57:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:57:37,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:37,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:57:37,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:57:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:37,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:57:37,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:57:37,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:57:37,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 11:57:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:37,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:57:37,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:57:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 11:57:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:37,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:57:37,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:57:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:57:37,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:57:37,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:57:37,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125319439] [2020-09-25 11:57:37,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:57:37,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:57:37,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513555844] [2020-09-25 11:57:37,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:57:37,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:57:37,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:57:37,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:57:37,274 INFO L87 Difference]: Start difference. First operand 348 states and 387 transitions. Second operand 9 states. [2020-09-25 11:57:37,751 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:38,993 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:39,357 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:57:39,735 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:40,116 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:57:40,448 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:41,049 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:41,389 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:41,782 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:42,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:57:42,945 INFO L93 Difference]: Finished difference Result 1029 states and 1305 transitions. [2020-09-25 11:57:42,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:57:42,950 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 11:57:42,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:57:42,960 INFO L225 Difference]: With dead ends: 1029 [2020-09-25 11:57:42,960 INFO L226 Difference]: Without dead ends: 744 [2020-09-25 11:57:42,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:57:42,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2020-09-25 11:57:43,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 539. [2020-09-25 11:57:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-09-25 11:57:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 608 transitions. [2020-09-25 11:57:43,082 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 608 transitions. Word has length 151 [2020-09-25 11:57:43,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:57:43,083 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 608 transitions. [2020-09-25 11:57:43,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:57:43,083 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 608 transitions. [2020-09-25 11:57:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-25 11:57:43,086 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:57:43,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:57:43,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:57:43,087 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:57:43,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:57:43,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1865640089, now seen corresponding path program 1 times [2020-09-25 11:57:43,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:57:43,088 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617270483] [2020-09-25 11:57:43,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:57:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:43,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:43,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:43,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:46,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:46,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 11:57:46,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:57:46,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3138 [2020-09-25 11:57:46,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:46,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:46,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:57:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:57:46,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 11:57:46,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:57:46,607 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:57:46,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:57:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:46,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:46,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:46,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:57:46,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:46,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-09-25 11:57:46,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:46,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:46,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:57:46,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:46,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:57:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:46,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:46,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:46,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:46,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:46,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:46,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:46,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:46,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:46,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:57:46,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:57:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:46,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:46,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:46,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:46,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:46,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:46,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:46,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:46,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:46,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:46,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:46,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:57:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:46,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:46,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:46,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:46,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:47,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:57:47,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:47,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:47,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:47,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:47,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:47,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:47,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:57:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:47,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:47,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:47,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:47,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:47,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:57:47,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:47,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:47,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:47,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:57:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:47,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:47,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:47,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:57:47,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:47,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:57:47,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:47,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:47,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:47,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:57:47,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:47,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 11:57:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:47,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:47,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:47,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:47,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:57:47,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:57:47,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:57:47,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:47,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:47,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:57:47,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:57:47,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:57:47,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:47,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:57:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:47,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:47,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:47,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:47,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:47,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:57:47,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:47,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:47,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:47,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:47,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:47,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:47,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 11:57:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:47,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:47,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:47,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:47,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:47,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 11:57:47,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:47,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:47,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:57:47,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:47,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:47,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:57:47,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617270483] [2020-09-25 11:57:47,290 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:57:47,290 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 11:57:47,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573925690] [2020-09-25 11:57:47,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 11:57:47,293 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:57:47,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 11:57:47,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 11:57:47,296 INFO L87 Difference]: Start difference. First operand 539 states and 608 transitions. Second operand 11 states. [2020-09-25 11:57:47,859 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:49,124 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:49,421 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:57:49,765 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:50,102 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:57:50,438 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:50,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:57:50,941 INFO L93 Difference]: Finished difference Result 975 states and 1183 transitions. [2020-09-25 11:57:50,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 11:57:50,942 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2020-09-25 11:57:50,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:57:50,943 INFO L225 Difference]: With dead ends: 975 [2020-09-25 11:57:50,943 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 11:57:50,947 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-09-25 11:57:50,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 11:57:50,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 11:57:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 11:57:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 11:57:50,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-09-25 11:57:50,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:57:50,948 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 11:57:50,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 11:57:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 11:57:50,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 11:57:50,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:57:50,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 11:57:51,138 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:51,298 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:51,461 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:51,618 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:51,779 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:51,982 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 7 [2020-09-25 11:57:52,086 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 7 [2020-09-25 11:57:52,250 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:52,523 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:57:52,813 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:57:52,973 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:53,138 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:53,298 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:53,456 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:53,615 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:53,772 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:53,920 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:54,069 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:54,216 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:54,364 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:54,508 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:54,660 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:54,803 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:54,956 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:55,101 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:55,245 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:55,393 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:55,543 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:55,692 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:55,845 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:55,989 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:56,141 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:56,300 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:56,533 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 11:57:56,801 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:57:57,065 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:57:57,312 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 11:57:57,669 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:57:58,023 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:57:58,346 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 11:57:58,577 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 11:57:58,843 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:57:59,102 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:57:59,367 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:57:59,627 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:57:59,977 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:58:00,225 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 11:58:00,476 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:00,624 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:00,776 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:00,928 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:01,346 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:01,611 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:58:01,880 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:58:02,227 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:58:02,543 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 11:58:02,870 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:58:03,196 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:58:03,519 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:58:03,834 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 11:58:04,157 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:58:04,266 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 11:58:04,404 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:58:04,551 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:04,693 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:58:04,850 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:05,006 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:05,158 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:05,301 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:58:05,448 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:05,606 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:05,753 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:05,910 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:06,058 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:06,207 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:06,354 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:06,497 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:58:06,640 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:58:06,792 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:06,943 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:07,100 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:07,254 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:07,402 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:07,554 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:07,708 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:07,864 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:08,016 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:08,166 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:08,322 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:08,480 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:08,632 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:08,789 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:08,941 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:09,093 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:09,240 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:09,398 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:09,555 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:09,708 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:09,867 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:09,982 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 11:58:10,130 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:10,282 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:10,434 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:10,586 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:10,743 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:10,900 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:11,057 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:11,209 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:11,366 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:11,529 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:11,685 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:11,844 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:11,952 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 11:58:12,074 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 11:58:12,233 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:12,390 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:12,660 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 11:58:12,928 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 11:58:13,172 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 11:58:13,535 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 11:58:13,892 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 11:58:14,195 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:14,344 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:14,611 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:58:14,870 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:58:15,138 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 11:58:15,399 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 11:58:15,749 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189