/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=0.5 --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_spec2_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:15:18,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:15:18,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:15:18,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:15:18,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:15:18,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:15:18,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:15:18,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:15:18,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:15:18,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:15:18,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:15:18,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:15:18,471 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:15:18,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:15:18,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:15:18,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:15:18,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:15:18,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:15:18,486 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:15:18,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:15:18,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:15:18,498 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:15:18,499 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:15:18,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:15:18,505 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:15:18,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:15:18,508 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:15:18,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:15:18,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:15:18,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:15:18,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:15:18,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:15:18,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:15:18,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:15:18,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:15:18,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:15:18,522 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:15:18,522 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:15:18,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:15:18,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:15:18,526 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:15:18,527 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 14:15:18,576 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:15:18,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:15:18,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:15:18,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:15:18,580 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:15:18,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:15:18,580 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:15:18,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:15:18,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:15:18,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:15:18,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:15:18,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:15:18,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:15:18,583 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:15:18,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:15:18,583 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:15:18,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:15:18,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:15:18,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:15:18,584 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:15:18,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:15:18,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:15:18,585 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:15:18,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:15:18,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:15:18,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:15:18,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:15:18,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:15:18,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:15:18,586 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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-09-25 14:15:19,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:15:19,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:15:19,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:15:19,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:15:19,103 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:15:19,104 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2020-09-25 14:15:19,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e93211f8/f2ffc5984b354c10845ab760ffc7c3f9/FLAG13f138bff [2020-09-25 14:15:19,764 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:15:19,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product17.cil.c [2020-09-25 14:15:19,783 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e93211f8/f2ffc5984b354c10845ab760ffc7c3f9/FLAG13f138bff [2020-09-25 14:15:20,063 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7e93211f8/f2ffc5984b354c10845ab760ffc7c3f9 [2020-09-25 14:15:20,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:15:20,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:15:20,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:15:20,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:15:20,088 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:15:20,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:15:20" (1/1) ... [2020-09-25 14:15:20,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d265cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20, skipping insertion in model container [2020-09-25 14:15:20,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:15:20" (1/1) ... [2020-09-25 14:15:20,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:15:20,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:15:20,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:15:20,544 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:15:20,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:15:20,812 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:15:20,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20 WrapperNode [2020-09-25 14:15:20,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:15:20,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:15:20,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:15:20,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:15:20,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20" (1/1) ... [2020-09-25 14:15:20,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20" (1/1) ... [2020-09-25 14:15:20,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20" (1/1) ... [2020-09-25 14:15:20,851 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20" (1/1) ... [2020-09-25 14:15:20,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20" (1/1) ... [2020-09-25 14:15:20,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20" (1/1) ... [2020-09-25 14:15:20,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20" (1/1) ... [2020-09-25 14:15:20,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:15:20,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:15:20,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:15:20,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:15:20,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:15:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:15:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:15:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:15:21,006 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:15:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:15:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:15:21,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:15:21,008 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:15:21,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:15:21,008 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:15:21,008 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:15:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:15:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:15:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:15:21,009 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:15:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:15:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:15:21,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:15:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:15:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:15:21,011 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:15:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:15:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:15:21,012 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:15:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:15:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:15:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:15:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:15:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:15:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:15:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:15:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:15:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:15:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:15:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:15:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:15:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:15:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:15:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:15:21,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:15:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:15:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:15:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:15:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:15:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:15:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:15:21,016 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:15:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:15:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:15:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:15:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:15:21,018 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:15:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:15:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:15:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:15:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:15:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:15:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:15:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:15:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:15:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:15:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:15:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:15:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:15:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:15:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:15:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:15:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:15:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:15:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:15:21,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:15:21,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:15:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:15:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:15:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:15:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:15:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:15:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:15:21,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:15:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:15:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:15:21,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:15:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:15:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:15:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:15:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:15:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:15:21,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:15:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:15:21,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:15:22,241 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:15:22,241 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:15:22,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:15:22 BoogieIcfgContainer [2020-09-25 14:15:22,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:15:22,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:15:22,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:15:22,255 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:15:22,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:15:20" (1/3) ... [2020-09-25 14:15:22,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5052c718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:15:22, skipping insertion in model container [2020-09-25 14:15:22,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:20" (2/3) ... [2020-09-25 14:15:22,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5052c718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:15:22, skipping insertion in model container [2020-09-25 14:15:22,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:15:22" (3/3) ... [2020-09-25 14:15:22,260 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2020-09-25 14:15:22,271 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:15:22,284 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:15:22,305 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:15:22,348 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:15:22,349 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:15:22,349 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:15:22,349 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:15:22,349 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:15:22,349 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:15:22,350 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:15:22,350 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:15:22,387 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states. [2020-09-25 14:15:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 14:15:22,413 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:22,415 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] [2020-09-25 14:15:22,416 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:22,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:22,425 INFO L82 PathProgramCache]: Analyzing trace with hash 843119476, now seen corresponding path program 1 times [2020-09-25 14:15:22,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:22,437 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1383148911] [2020-09-25 14:15:22,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:22,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:23,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:23,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:24,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:25,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:27,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:27,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 14:15:27,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:15:27,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-09-25 14:15:27,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:27,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:27,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 14:15:27,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 14:15:27,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:15:28,409 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:28,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:28,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:28,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:28,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:28,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-09-25 14:15:28,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:28,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:28,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 14:15:28,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:28,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:28,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:28,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:28,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:28,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:28,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:28,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:28,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:28,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:28,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:28,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:28,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:28,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:28,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:28,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:28,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:28,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:28,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:28,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:28,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:28,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:28,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:28,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:28,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:28,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:28,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:28,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:15:28,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:28,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:28,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:28,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:28,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:28,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:28,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:28,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:28,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:28,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:28,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:28,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:28,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:28,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:28,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:28,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:28,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:28,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:28,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:28,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:15:28,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:28,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:28,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:28,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:28,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:15:28,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:28,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:15:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:28,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:28,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:28,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:28,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:28,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:15:28,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:28,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:28,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:28,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:28,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:28,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:15:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:28,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:28,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:28,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:28,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:28,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:28,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:28,992 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:28,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:28,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:29,037 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 14:15:29,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1383148911] [2020-09-25 14:15:29,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:15:29,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:15:29,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998674062] [2020-09-25 14:15:29,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:15:29,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:29,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:15:29,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:15:29,081 INFO L87 Difference]: Start difference. First operand 290 states. Second operand 5 states. [2020-09-25 14:15:29,814 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:15:30,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:30,791 INFO L93 Difference]: Finished difference Result 426 states and 504 transitions. [2020-09-25 14:15:30,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:15:30,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 14:15:30,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:30,814 INFO L225 Difference]: With dead ends: 426 [2020-09-25 14:15:30,814 INFO L226 Difference]: Without dead ends: 278 [2020-09-25 14:15:30,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:15:30,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-09-25 14:15:30,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 233. [2020-09-25 14:15:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-25 14:15:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 250 transitions. [2020-09-25 14:15:30,926 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 250 transitions. Word has length 148 [2020-09-25 14:15:30,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:30,927 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 250 transitions. [2020-09-25 14:15:30,928 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:15:30,928 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 250 transitions. [2020-09-25 14:15:30,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 14:15:30,932 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:30,933 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] [2020-09-25 14:15:30,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:15:30,933 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:30,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:30,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1769272689, now seen corresponding path program 1 times [2020-09-25 14:15:30,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:30,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [62325164] [2020-09-25 14:15:30,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:31,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:31,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:32,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:32,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:33,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 14:15:36,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:15:36,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 14:15:36,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 14:15:36,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 14:15:36,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 14:15:36,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:36,474 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:36,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:36,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:36,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:36,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-25 14:15:36,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:36,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:36,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:36,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:36,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:36,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:36,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:36,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:36,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:36,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:36,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:36,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:36,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:36,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:36,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:36,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:36,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:36,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:36,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:15:36,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:36,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:36,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:36,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:36,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:36,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:36,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:15:36,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:36,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:36,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:36,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:36,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,700 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:36,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:36,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:36,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:36,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:36,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:36,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:36,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:36,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:15:36,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:15:36,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 14:15:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:36,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:15:36,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:36,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:36,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:36,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:36,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:15:36,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:36,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:36,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:36,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:36,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:36,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,750 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:36,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:36,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:36,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:15:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:36,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:36,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:36,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:36,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:36,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:36,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:36,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:36,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:15:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:36,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:36,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:36,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:36,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:36,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:36,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:36,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:36,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:36,807 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 14:15:36,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [62325164] [2020-09-25 14:15:36,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:15:36,808 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:15:36,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786526557] [2020-09-25 14:15:36,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:15:36,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:36,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:15:36,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:15:36,812 INFO L87 Difference]: Start difference. First operand 233 states and 250 transitions. Second operand 6 states. [2020-09-25 14:15:37,339 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:15:39,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:39,756 INFO L93 Difference]: Finished difference Result 522 states and 673 transitions. [2020-09-25 14:15:39,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:15:39,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 14:15:39,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:39,765 INFO L225 Difference]: With dead ends: 522 [2020-09-25 14:15:39,766 INFO L226 Difference]: Without dead ends: 519 [2020-09-25 14:15:39,767 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:15:39,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-25 14:15:39,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 351. [2020-09-25 14:15:39,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-09-25 14:15:39,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 391 transitions. [2020-09-25 14:15:39,883 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 391 transitions. Word has length 157 [2020-09-25 14:15:39,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:39,884 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 391 transitions. [2020-09-25 14:15:39,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:15:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 391 transitions. [2020-09-25 14:15:39,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 14:15:39,889 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:39,890 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:15:39,890 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:15:39,890 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:39,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:39,891 INFO L82 PathProgramCache]: Analyzing trace with hash -985437395, now seen corresponding path program 1 times [2020-09-25 14:15:39,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:39,891 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605106364] [2020-09-25 14:15:39,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:40,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:40,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:40,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:40,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:40,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:43,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:43,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:44,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:44,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 14:15:44,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 14:15:44,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 14:15:44,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:44,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 14:15:44,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 14:15:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:45,468 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:45,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:45,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:45,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:45,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:45,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:45,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-25 14:15:45,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:45,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:45,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:45,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:45,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:45,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:45,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:45,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:45,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:45,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:45,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:45,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:45,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:45,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:45,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:45,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:45,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:45,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:45,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:45,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:45,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:45,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:45,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:45,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:45,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:45,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:45,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:45,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:45,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:45,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:45,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:45,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:45,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:45,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:45,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:45,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:45,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:45,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:45,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:45,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:45,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:45,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:45,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:45,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:45,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:45,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:45,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:45,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:45,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:45,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:45,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:45,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:45,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:45,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:45,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:45,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:45,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:45,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:45,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:45,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:45,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:15:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:45,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:45,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:45,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:45,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:45,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:15:45,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:15:45,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-09-25 14:15:45,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:45,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:45,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 14:15:45,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:45,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:45,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:45,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:45,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:45,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:15:45,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:45,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:45,997 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:45,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:45,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:45,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:46,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:46,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:46,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:46,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:46,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:46,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:46,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:46,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:46,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:46,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:46,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:46,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:15:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:46,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:15:46,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:46,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:15:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:46,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:46,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:46,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:46,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:46,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:46,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:46,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:46,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:46,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:46,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:46,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:46,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:46,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:46,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:15:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:46,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:46,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:46,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:46,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:46,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:46,034 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:46,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:46,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:46,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 14:15:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:46,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:46,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:46,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:15:46,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:46,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:46,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:46,044 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 14:15:46,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:46,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:46,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:46,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:46,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:46,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:46,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:46,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:15:46,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:46,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:46,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:46,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:46,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:46,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 14:15:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:46,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:46,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:46,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:46,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:46,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:46,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:46,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:46,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:46,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:46,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 14:15:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:46,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:46,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:46,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:46,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:46,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:46,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:46,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:46,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:46,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-25 14:15:46,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605106364] [2020-09-25 14:15:46,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:15:46,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 14:15:46,116 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53731743] [2020-09-25 14:15:46,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 14:15:46,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:46,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 14:15:46,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:15:46,119 INFO L87 Difference]: Start difference. First operand 351 states and 391 transitions. Second operand 7 states. [2020-09-25 14:15:47,002 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:15:47,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:15:47,981 INFO L93 Difference]: Finished difference Result 619 states and 736 transitions. [2020-09-25 14:15:47,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 14:15:47,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-09-25 14:15:47,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:15:47,990 INFO L225 Difference]: With dead ends: 619 [2020-09-25 14:15:47,992 INFO L226 Difference]: Without dead ends: 443 [2020-09-25 14:15:47,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2020-09-25 14:15:47,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2020-09-25 14:15:48,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 331. [2020-09-25 14:15:48,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2020-09-25 14:15:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 361 transitions. [2020-09-25 14:15:48,077 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 361 transitions. Word has length 211 [2020-09-25 14:15:48,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:15:48,079 INFO L479 AbstractCegarLoop]: Abstraction has 331 states and 361 transitions. [2020-09-25 14:15:48,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 14:15:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 361 transitions. [2020-09-25 14:15:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-25 14:15:48,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:48,085 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:48,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:15:48,086 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:48,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:48,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1936077020, now seen corresponding path program 1 times [2020-09-25 14:15:48,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:48,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97716454] [2020-09-25 14:15:48,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:48,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:48,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:48,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:50,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:51,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:51,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:53,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:53,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 14:15:53,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:15:53,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 14:15:53,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:53,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:15:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 14:15:53,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-25 14:15:53,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:53,502 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:15:53,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:15:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:53,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:53,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:53,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:15:53,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:53,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-09-25 14:15:53,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:53,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:53,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 14:15:53,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:15:53,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:15:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:53,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:53,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:53,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:53,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:53,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:53,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:53,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:53,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:53,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:53,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:15:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:53,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:53,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:53,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:53,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:53,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:15:53,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:53,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:53,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:53,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:53,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:53,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:53,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:15:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:53,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:53,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:53,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:53,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:53,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:15:53,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:53,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:53,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:53,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:53,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:15:53,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:53,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:15:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:53,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:53,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:53,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:53,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:53,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:53,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:53,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:53,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:53,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:53,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:53,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:53,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:15:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:53,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:53,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:53,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:15:53,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:53,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:53,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:53,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:53,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:53,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:15:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:53,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 14:15:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:53,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:54,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:15:54,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:15:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 566 [2020-09-25 14:15:54,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:54,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:15:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 14:15:54,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 14:15:54,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:54,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:54,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:54,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:15:54,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:54,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:15:54,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:54,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:54,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 14:15:54,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:54,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:54,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:54,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:54,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:54,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:54,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:54,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:54,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:15:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:54,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:15:54,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:54,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:15:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:54,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:54,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:15:54,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:54,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 14:15:54,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:54,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:54,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:15:54,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:15:54,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:15:54,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:54,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:54,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:54,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:54,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:54,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:54,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:54,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:54,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:54,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:54,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:54,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:54,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:15:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:54,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:54,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:54,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:54,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 14:15:54,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:54,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:54,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:15:54,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:54,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:15:54,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:54,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-25 14:15:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:54,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:54,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:15:54,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:54,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:54,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:54,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:54,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:54,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 14:15:54,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:54,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:54,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:15:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:54,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:54,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:15:54,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:54,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:54,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:54,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:15:54,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:54,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:54,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-25 14:15:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:54,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:54,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:54,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:54,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:15:54,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:54,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:54,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:54,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:54,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:54,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:54,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-25 14:15:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:54,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:54,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:15:54,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:15:54,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:15:54,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:15:54,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:15:54,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:15:54,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:15:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:15:54,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:15:54,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:15:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-25 14:15:55,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97716454] [2020-09-25 14:15:55,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:15:55,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 14:15:55,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300277385] [2020-09-25 14:15:55,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 14:15:55,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:15:55,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 14:15:55,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:15:55,090 INFO L87 Difference]: Start difference. First operand 331 states and 361 transitions. Second operand 13 states. [2020-09-25 14:15:55,792 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:15:56,824 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:15:57,580 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:15:57,903 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 14:15:58,352 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:15:58,731 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 14:15:59,465 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 198 [2020-09-25 14:15:59,799 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:16:00,463 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-25 14:16:00,864 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:01,637 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-25 14:16:02,289 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 14:16:02,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:02,726 INFO L93 Difference]: Finished difference Result 528 states and 617 transitions. [2020-09-25 14:16:02,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-25 14:16:02,726 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2020-09-25 14:16:02,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:02,728 INFO L225 Difference]: With dead ends: 528 [2020-09-25 14:16:02,728 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:16:02,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=346, Invalid=986, Unknown=0, NotChecked=0, Total=1332 [2020-09-25 14:16:02,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:16:02,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:16:02,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:16:02,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:16:02,732 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2020-09-25 14:16:02,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:02,733 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:16:02,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 14:16:02,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:16:02,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:16:02,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:16:02,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:16:02,943 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:16:03,119 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:03,304 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:16:03,478 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:03,663 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:16:03,853 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:16:04,032 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:16:04,317 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 16 [2020-09-25 14:16:04,497 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 14:16:04,649 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:05,082 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 197 [2020-09-25 14:16:05,476 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 197 [2020-09-25 14:16:05,866 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 195