/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=0.4 --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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:04:25,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:04:25,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:04:25,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:04:25,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:04:25,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:04:25,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:04:25,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:04:25,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:04:25,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:04:25,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:04:25,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:04:25,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:04:25,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:04:25,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:04:25,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:04:25,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:04:25,156 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:04:25,158 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:04:25,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:04:25,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:04:25,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:04:25,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:04:25,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:04:25,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:04:25,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:04:25,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:04:25,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:04:25,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:04:25,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:04:25,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:04:25,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:04:25,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:04:25,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:04:25,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:04:25,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:04:25,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:04:25,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:04:25,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:04:25,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:04:25,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:04:25,191 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 13:04:25,238 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:04:25,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:04:25,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:04:25,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:04:25,241 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:04:25,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:04:25,242 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:04:25,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:04:25,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:04:25,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:04:25,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:04:25,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:04:25,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:04:25,245 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:04:25,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:04:25,245 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:04:25,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:04:25,246 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:04:25,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:04:25,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:04:25,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:04:25,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:04:25,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:04:25,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:04:25,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:04:25,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:04:25,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:04:25,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:04:25,248 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:04:25,248 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 13:04:25,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:04:25,750 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:04:25,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:04:25,759 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:04:25,759 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:04:25,760 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-09-25 13:04:25,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a8c67869/95e3bdcb53b9405192cc775b110d6e04/FLAG3d78fe250 [2020-09-25 13:04:26,457 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:04:26,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-09-25 13:04:26,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a8c67869/95e3bdcb53b9405192cc775b110d6e04/FLAG3d78fe250 [2020-09-25 13:04:26,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a8c67869/95e3bdcb53b9405192cc775b110d6e04 [2020-09-25 13:04:26,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:04:26,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:04:26,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:04:26,759 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:04:26,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:04:26,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:04:26" (1/1) ... [2020-09-25 13:04:26,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4207e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:26, skipping insertion in model container [2020-09-25 13:04:26,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:04:26" (1/1) ... [2020-09-25 13:04:26,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:04:26,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:04:27,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:04:27,448 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:04:27,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:04:27,563 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:04:27,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:27 WrapperNode [2020-09-25 13:04:27,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:04:27,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:04:27,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:04:27,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:04:27,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:27" (1/1) ... [2020-09-25 13:04:27,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:27" (1/1) ... [2020-09-25 13:04:27,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:27" (1/1) ... [2020-09-25 13:04:27,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:27" (1/1) ... [2020-09-25 13:04:27,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:27" (1/1) ... [2020-09-25 13:04:27,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:27" (1/1) ... [2020-09-25 13:04:27,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:27" (1/1) ... [2020-09-25 13:04:27,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:04:27,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:04:27,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:04:27,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:04:27,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:27" (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 13:04:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:04:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:04:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:04:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:04:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:04:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:04:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:04:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:04:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:04:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:04:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:04:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:04:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:04:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:04:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:04:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:04:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:04:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:04:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 13:04:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:04:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:04:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:04:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:04:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:04:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:04:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:04:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:04:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 13:04:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:04:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:04:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:04:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:04:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:04:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:04:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:04:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:04:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:04:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:04:27,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 13:04:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:04:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:04:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:04:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:04:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:04:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:04:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:04:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:04:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:04:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:04:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:04:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:04:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:04:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:04:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:04:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:04:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:04:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:04:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:04:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:04:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:04:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:04:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 13:04:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:04:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:04:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:04:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 13:04:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:04:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:04:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 13:04:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:04:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:04:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:04:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:04:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:04:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:04:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:04:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:04:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:04:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:04:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:04:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:04:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:04:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:04:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:04:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:04:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:04:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:04:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:04:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:04:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:04:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:04:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:04:29,109 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:04:29,109 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:04:29,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:04:29 BoogieIcfgContainer [2020-09-25 13:04:29,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:04:29,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:04:29,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:04:29,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:04:29,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:04:26" (1/3) ... [2020-09-25 13:04:29,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd92c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:04:29, skipping insertion in model container [2020-09-25 13:04:29,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:04:27" (2/3) ... [2020-09-25 13:04:29,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd92c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:04:29, skipping insertion in model container [2020-09-25 13:04:29,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:04:29" (3/3) ... [2020-09-25 13:04:29,126 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2020-09-25 13:04:29,139 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:04:29,151 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:04:29,173 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:04:29,203 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:04:29,203 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:04:29,203 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:04:29,203 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:04:29,203 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:04:29,204 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:04:29,204 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:04:29,204 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:04:29,229 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-09-25 13:04:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 13:04:29,245 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:04:29,247 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 13:04:29,247 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:04:29,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:04:29,256 INFO L82 PathProgramCache]: Analyzing trace with hash 253748862, now seen corresponding path program 1 times [2020-09-25 13:04:29,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:04:29,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612573096] [2020-09-25 13:04:29,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:04:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:29,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:30,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:31,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:32,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:34,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:34,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:34,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 13:04:34,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:04:34,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 13:04:34,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:34,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:04:34,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 13:04:34,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 13:04:34,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-25 13:04:35,288 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:04:35,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:04:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:35,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:35,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:35,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:04:35,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:35,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 323 [2020-09-25 13:04:35,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:35,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:35,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 13:04:35,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:35,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:04:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:35,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:35,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:35,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:35,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:35,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:04:35,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:35,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:35,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:35,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:35,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:35,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:04:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:35,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:35,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:35,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:35,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:35,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:04:35,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:35,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:35,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:35,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:35,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:04:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:35,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:35,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:35,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:35,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:35,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:04:35,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:35,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:35,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:35,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:35,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:35,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:35,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:04:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:35,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:35,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:35,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:35,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:35,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:04:35,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:35,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:35,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:35,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:35,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:35,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:35,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:04:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:35,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:35,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:35,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:35,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:35,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:35,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:04:35,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:04:35,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:04:35,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:35,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 13:04:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:35,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:35,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:35,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:35,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:35,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:35,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:35,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:35,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:04:35,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:04:35,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:04:35,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:35,846 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 13:04:35,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612573096] [2020-09-25 13:04:35,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:04:35,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 13:04:35,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571786139] [2020-09-25 13:04:35,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 13:04:35,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:04:35,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 13:04:35,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 13:04:35,915 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 4 states. [2020-09-25 13:04:36,503 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:38,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:04:38,409 INFO L93 Difference]: Finished difference Result 590 states and 720 transitions. [2020-09-25 13:04:38,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 13:04:38,412 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-25 13:04:38,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:04:38,446 INFO L225 Difference]: With dead ends: 590 [2020-09-25 13:04:38,446 INFO L226 Difference]: Without dead ends: 416 [2020-09-25 13:04:38,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:04:38,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-09-25 13:04:38,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 348. [2020-09-25 13:04:38,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2020-09-25 13:04:38,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 387 transitions. [2020-09-25 13:04:38,653 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 387 transitions. Word has length 142 [2020-09-25 13:04:38,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:04:38,654 INFO L479 AbstractCegarLoop]: Abstraction has 348 states and 387 transitions. [2020-09-25 13:04:38,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 13:04:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 387 transitions. [2020-09-25 13:04:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 13:04:38,669 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:04:38,669 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 13:04:38,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:04:38,670 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:04:38,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:04:38,670 INFO L82 PathProgramCache]: Analyzing trace with hash 140541334, now seen corresponding path program 1 times [2020-09-25 13:04:38,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:04:38,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345324741] [2020-09-25 13:04:38,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:04:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:38,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:39,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:39,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:39,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:43,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:43,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 13:04:43,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:04:43,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 13:04:43,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:43,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:04:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 13:04:43,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 13:04:43,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:44,115 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:04:44,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:04:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:44,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:44,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:44,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:04:44,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:44,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 271 [2020-09-25 13:04:44,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:44,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:44,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 13:04:44,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:44,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:04:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:44,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:44,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:44,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:44,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:44,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:04:44,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:44,482 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:44,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:44,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:44,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:44,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:04:44,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:04:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:44,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:44,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:44,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:44,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:44,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:44,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:44,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:44,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:44,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:44,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:04:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:44,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:44,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:44,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:44,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:44,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:04:44,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:44,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:44,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:44,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:44,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:44,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:44,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:04:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:44,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:44,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:44,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:44,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:44,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:44,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:44,515 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:44,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:44,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:44,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 13:04:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:44,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:44,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:44,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:04:44,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:44,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:44,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:44,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:44,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:44,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:04:44,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:04:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:44,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:44,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:44,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:44,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:04:44,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:44,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:04:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:44,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:04:44,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:44,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:04:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:44,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:44,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:44,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:44,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:44,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:04:44,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:44,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:44,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:04:44,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:44,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:44,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:44,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 13:04:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:44,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:44,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:44,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:44,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:44,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:04:44,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:44,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:04:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:04:44,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:04:44,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:44,706 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 13:04:44,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345324741] [2020-09-25 13:04:44,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:04:44,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 13:04:44,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174781891] [2020-09-25 13:04:44,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 13:04:44,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:04:44,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 13:04:44,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 13:04:44,712 INFO L87 Difference]: Start difference. First operand 348 states and 387 transitions. Second operand 9 states. [2020-09-25 13:04:45,176 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:04:46,743 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 190 [2020-09-25 13:04:47,406 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-25 13:04:47,797 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:48,230 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:04:48,578 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:49,241 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 13:04:49,581 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-25 13:04:50,010 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:50,654 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:04:51,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:04:51,496 INFO L93 Difference]: Finished difference Result 1029 states and 1305 transitions. [2020-09-25 13:04:51,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 13:04:51,499 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 13:04:51,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:04:51,507 INFO L225 Difference]: With dead ends: 1029 [2020-09-25 13:04:51,508 INFO L226 Difference]: Without dead ends: 744 [2020-09-25 13:04:51,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2020-09-25 13:04:51,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2020-09-25 13:04:51,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 539. [2020-09-25 13:04:51,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2020-09-25 13:04:51,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 608 transitions. [2020-09-25 13:04:51,627 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 608 transitions. Word has length 151 [2020-09-25 13:04:51,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:04:51,627 INFO L479 AbstractCegarLoop]: Abstraction has 539 states and 608 transitions. [2020-09-25 13:04:51,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 13:04:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 608 transitions. [2020-09-25 13:04:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-25 13:04:51,631 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:04:51,631 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 13:04:51,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:04:51,632 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:04:51,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:04:51,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1291056650, now seen corresponding path program 1 times [2020-09-25 13:04:51,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:04:51,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865164287] [2020-09-25 13:04:51,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:04:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:51,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:51,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:52,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:54,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:54,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 13:04:54,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:04:54,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3179 [2020-09-25 13:04:54,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:54,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:54,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:04:54,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 13:04:54,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-25 13:04:54,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:55,199 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:04:55,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:04:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:55,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:55,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:55,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 13:04:55,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:55,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-09-25 13:04:55,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:55,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:55,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:55,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:55,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 13:04:55,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:55,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 13:04:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:55,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:55,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:55,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:55,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:55,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:55,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:55,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:55,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:55,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:55,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:55,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:55,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 13:04:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:55,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:55,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:55,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:55,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:55,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:55,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:55,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:55,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:55,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:55,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 13:04:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:55,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:55,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:55,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:55,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:55,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:04:55,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:55,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:55,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:55,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:55,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:55,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 13:04:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:55,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:55,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:55,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:04:55,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:55,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:04:55,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:55,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:55,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:55,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:04:55,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:04:55,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:04:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:55,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:55,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:55,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:04:55,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:55,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:04:55,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:55,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:55,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:55,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:55,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:04:55,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:55,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 13:04:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:55,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:55,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:55,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:55,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:04:55,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:04:55,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 13:04:55,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:55,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:55,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:04:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:04:55,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:04:55,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:04:55,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:04:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:55,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:55,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:55,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:55,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:55,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:04:55,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:55,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:55,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:04:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:55,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:55,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:04:55,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 13:04:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:04:55,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:04:55,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:04:55,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:04:55,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:04:55,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:04:55,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:04:55,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:04:55,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:04:55,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:04:55,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:04:55,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:04:55,799 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 13:04:55,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865164287] [2020-09-25 13:04:55,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:04:55,801 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:04:55,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064030131] [2020-09-25 13:04:55,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:04:55,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:04:55,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:04:55,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:04:55,805 INFO L87 Difference]: Start difference. First operand 539 states and 608 transitions. Second operand 11 states. [2020-09-25 13:04:56,380 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:04:57,630 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:04:57,978 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:04:58,311 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:58,670 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:04:58,984 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:04:59,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:04:59,487 INFO L93 Difference]: Finished difference Result 975 states and 1183 transitions. [2020-09-25 13:04:59,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 13:04:59,488 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2020-09-25 13:04:59,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:04:59,489 INFO L225 Difference]: With dead ends: 975 [2020-09-25 13:04:59,489 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 13:04:59,492 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=154, Invalid=352, Unknown=0, NotChecked=0, Total=506 [2020-09-25 13:04:59,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 13:04:59,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 13:04:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 13:04:59,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 13:04:59,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-09-25 13:04:59,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:04:59,493 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 13:04:59,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:04:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 13:04:59,494 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 13:04:59,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:04:59,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 13:04:59,726 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:04:59,900 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:00,074 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:00,243 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:00,543 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 13:05:00,723 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:00,889 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:01,051 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:01,211 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:01,365 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:01,524 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:01,693 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:01,852 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:02,112 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 13:05:02,493 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:05:02,777 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 13:05:03,063 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:05:03,366 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:05:03,650 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:05:03,932 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-25 13:05:04,218 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 13:05:04,359 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 13:05:04,511 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:04,655 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:05:04,804 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:04,954 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:05,111 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:05,260 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:05,418 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:05,578 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:05,726 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:05,870 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:05:06,013 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:05:06,167 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:06,320 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:06,468 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:06,626 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:06,779 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:06,933 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:07,086 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:07,230 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:05:07,378 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:07,535 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:07,692 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:07,856 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:08,010 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:08,163 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:08,321 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:08,475 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:08,632 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:08,785 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:08,938 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:09,086 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:09,245 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:09,402 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:09,556 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:09,714 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:09,959 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 13:05:10,421 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:05:10,778 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:05:10,927 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:11,075 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:11,458 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:05:11,834 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:05:12,191 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:05:12,567 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:05:12,945 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:05:13,195 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 13:05:13,346 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:13,612 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:05:13,879 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 13:05:14,128 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 13:05:14,294 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:14,451 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:14,691 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 10 [2020-09-25 13:05:14,848 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:15,010 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:15,162 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:15,323 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:15,481 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:15,641 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:15,795 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:15,953 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:16,112 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:16,269 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:16,431 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:16,584 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:16,742 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:16,890 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:17,223 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:17,598 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:05:17,978 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 13:05:18,230 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:18,387 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:18,540 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:18,689 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:18,878 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:19,122 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 7 [2020-09-25 13:05:19,284 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:05:19,433 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:05:19,576 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:05:19,724 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:19,872 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:20,021 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:20,165 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:05:20,309 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:05:20,458 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 13:05:20,610 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 13:05:20,770 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:05:21,095 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 13:05:21,543 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191