/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 05:11:08,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 05:11:08,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 05:11:08,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 05:11:08,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 05:11:08,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 05:11:08,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 05:11:08,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 05:11:08,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 05:11:08,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 05:11:08,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 05:11:08,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 05:11:08,524 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 05:11:08,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 05:11:08,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 05:11:08,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 05:11:08,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 05:11:08,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 05:11:08,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 05:11:08,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 05:11:08,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 05:11:08,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 05:11:08,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 05:11:08,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 05:11:08,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 05:11:08,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 05:11:08,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 05:11:08,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 05:11:08,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 05:11:08,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 05:11:08,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 05:11:08,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 05:11:08,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 05:11:08,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 05:11:08,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 05:11:08,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 05:11:08,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 05:11:08,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 05:11:08,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 05:11:08,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 05:11:08,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 05:11:08,552 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 05:11:08,577 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 05:11:08,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 05:11:08,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 05:11:08,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 05:11:08,579 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 05:11:08,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 05:11:08,580 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 05:11:08,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 05:11:08,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 05:11:08,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 05:11:08,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 05:11:08,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 05:11:08,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 05:11:08,581 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 05:11:08,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 05:11:08,581 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 05:11:08,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 05:11:08,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 05:11:08,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 05:11:08,582 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 05:11:08,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 05:11:08,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 05:11:08,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 05:11:08,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 05:11:08,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 05:11:08,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 05:11:08,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 05:11:08,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 05:11:08,584 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 05:11:08,584 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 05:11:09,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 05:11:09,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 05:11:09,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 05:11:09,043 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 05:11:09,043 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 05:11:09,044 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2020-09-25 05:11:09,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e528022f/aaa09299db1247718397e44f23e83940/FLAGfa8716024 [2020-09-25 05:11:09,751 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 05:11:09,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2020-09-25 05:11:09,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e528022f/aaa09299db1247718397e44f23e83940/FLAGfa8716024 [2020-09-25 05:11:10,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1e528022f/aaa09299db1247718397e44f23e83940 [2020-09-25 05:11:10,018 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 05:11:10,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 05:11:10,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 05:11:10,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 05:11:10,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 05:11:10,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:11:10" (1/1) ... [2020-09-25 05:11:10,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10, skipping insertion in model container [2020-09-25 05:11:10,034 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:11:10" (1/1) ... [2020-09-25 05:11:10,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 05:11:10,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 05:11:10,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:11:10,468 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 05:11:10,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 05:11:10,676 INFO L208 MainTranslator]: Completed translation [2020-09-25 05:11:10,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10 WrapperNode [2020-09-25 05:11:10,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 05:11:10,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 05:11:10,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 05:11:10,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 05:11:10,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10" (1/1) ... [2020-09-25 05:11:10,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10" (1/1) ... [2020-09-25 05:11:10,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10" (1/1) ... [2020-09-25 05:11:10,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10" (1/1) ... [2020-09-25 05:11:10,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10" (1/1) ... [2020-09-25 05:11:10,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10" (1/1) ... [2020-09-25 05:11:10,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10" (1/1) ... [2020-09-25 05:11:10,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 05:11:10,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 05:11:10,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 05:11:10,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 05:11:10,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10" (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 05:11:10,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 05:11:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 05:11:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 05:11:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 05:11:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 05:11:10,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 05:11:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 05:11:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 05:11:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 05:11:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 05:11:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 05:11:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 05:11:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 05:11:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 05:11:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 05:11:10,903 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 05:11:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 05:11:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 05:11:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 05:11:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 05:11:10,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 05:11:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 05:11:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 05:11:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 05:11:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 05:11:10,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 05:11:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 05:11:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 05:11:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 05:11:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 05:11:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 05:11:10,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 05:11:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 05:11:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 05:11:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 05:11:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 05:11:10,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 05:11:10,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 05:11:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 05:11:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 05:11:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 05:11:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 05:11:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 05:11:10,908 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 05:11:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 05:11:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 05:11:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 05:11:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 05:11:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 05:11:10,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 05:11:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 05:11:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 05:11:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 05:11:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 05:11:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 05:11:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 05:11:10,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 05:11:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 05:11:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 05:11:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 05:11:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 05:11:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 05:11:10,911 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 05:11:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 05:11:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 05:11:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 05:11:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 05:11:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 05:11:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 05:11:10,912 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 05:11:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 05:11:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 05:11:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 05:11:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 05:11:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 05:11:10,913 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 05:11:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 05:11:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 05:11:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 05:11:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 05:11:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 05:11:10,914 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 05:11:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 05:11:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 05:11:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 05:11:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 05:11:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 05:11:10,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 05:11:12,028 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 05:11:12,028 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 05:11:12,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:11:12 BoogieIcfgContainer [2020-09-25 05:11:12,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 05:11:12,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 05:11:12,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 05:11:12,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 05:11:12,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 05:11:10" (1/3) ... [2020-09-25 05:11:12,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e55495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:11:12, skipping insertion in model container [2020-09-25 05:11:12,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:11:10" (2/3) ... [2020-09-25 05:11:12,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e55495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 05:11:12, skipping insertion in model container [2020-09-25 05:11:12,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:11:12" (3/3) ... [2020-09-25 05:11:12,045 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2020-09-25 05:11:12,056 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 05:11:12,067 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 05:11:12,089 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 05:11:12,120 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 05:11:12,120 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 05:11:12,120 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 05:11:12,121 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 05:11:12,121 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 05:11:12,121 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 05:11:12,121 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 05:11:12,121 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 05:11:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2020-09-25 05:11:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 05:11:12,166 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:11:12,168 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 05:11:12,168 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:11:12,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:11:12,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1802056066, now seen corresponding path program 1 times [2020-09-25 05:11:12,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:11:12,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65215136] [2020-09-25 05:11:12,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:11:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:12,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:12,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:14,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:15,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:16,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:17,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:17,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 05:11:17,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:11:17,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-09-25 05:11:17,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:17,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:17,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:17,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 05:11:17,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:17,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 05:11:18,099 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:11:18,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:11:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:18,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:18,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:18,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:11:18,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:18,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-25 05:11:18,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:18,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:18,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:18,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:18,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 05:11:18,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:11:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:18,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:18,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:18,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:18,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:18,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:11:18,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:18,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:18,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:18,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:18,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:18,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:11:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:18,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:18,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:18,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:18,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:18,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:18,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:18,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:18,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:18,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:18,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:18,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:18,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:11:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:18,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:18,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:18,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:18,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:18,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:11:18,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:18,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:18,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:18,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:18,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:18,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:18,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:11:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:18,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:18,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:18,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:18,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:18,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 05:11:18,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:18,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:18,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:18,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:18,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:18,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:18,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:11:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:18,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:18,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:18,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:11:18,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:18,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:18,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:18,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:18,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:18,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:18,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:18,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 05:11:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:18,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:18,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:18,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:18,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:18,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:18,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:18,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:18,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:18,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:11:18,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:18,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:18,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 05:11:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:18,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:18,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:18,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:18,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:18,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:18,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:18,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:18,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:18,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:11:18,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:18,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:18,500 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 05:11:18,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65215136] [2020-09-25 05:11:18,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:11:18,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 05:11:18,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104686150] [2020-09-25 05:11:18,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 05:11:18,516 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:11:18,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 05:11:18,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:11:18,538 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 4 states. [2020-09-25 05:11:20,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:11:20,211 INFO L93 Difference]: Finished difference Result 377 states and 450 transitions. [2020-09-25 05:11:20,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 05:11:20,217 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 05:11:20,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:11:20,249 INFO L225 Difference]: With dead ends: 377 [2020-09-25 05:11:20,249 INFO L226 Difference]: Without dead ends: 254 [2020-09-25 05:11:20,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 05:11:20,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-25 05:11:20,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 208. [2020-09-25 05:11:20,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-09-25 05:11:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 223 transitions. [2020-09-25 05:11:20,427 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 223 transitions. Word has length 148 [2020-09-25 05:11:20,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:11:20,430 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 223 transitions. [2020-09-25 05:11:20,430 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 05:11:20,431 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 223 transitions. [2020-09-25 05:11:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 05:11:20,444 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:11:20,444 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] [2020-09-25 05:11:20,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 05:11:20,445 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:11:20,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:11:20,446 INFO L82 PathProgramCache]: Analyzing trace with hash 733508220, now seen corresponding path program 1 times [2020-09-25 05:11:20,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:11:20,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145058769] [2020-09-25 05:11:20,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:11:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:20,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:20,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:22,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:23,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:23,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:24,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:25,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:25,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 05:11:25,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 05:11:25,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 05:11:25,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:25,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:25,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 05:11:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 05:11:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 05:11:26,020 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:11:26,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:11:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:26,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:26,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:26,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:11:26,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 05:11:26,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:26,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:26,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:26,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:26,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:11:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:26,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:26,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:26,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:26,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:26,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:26,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:26,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:26,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:26,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:26,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:26,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:11:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:26,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:26,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:26,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:26,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:26,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:26,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:26,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:26,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:26,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:26,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:26,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:26,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:11:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:26,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:26,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:26,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:26,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:26,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:11:26,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:26,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:26,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:26,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:26,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:11:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:26,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:26,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:26,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:26,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:26,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:11:26,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:26,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:26,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:26,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:26,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:26,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:11:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:26,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:26,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:26,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:11:26,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:26,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:26,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:26,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:26,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:26,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:26,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 05:11:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:26,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:26,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:26,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:26,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:26,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:26,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:26,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:26,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:26,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:11:26,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:26,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:26,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 05:11:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:26,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:26,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:26,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:26,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:26,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:26,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:26,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:26,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:11:26,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:26,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:26,285 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 05:11:26,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145058769] [2020-09-25 05:11:26,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:11:26,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:11:26,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578477857] [2020-09-25 05:11:26,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:11:26,291 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:11:26,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:11:26,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:11:26,292 INFO L87 Difference]: Start difference. First operand 208 states and 223 transitions. Second operand 5 states. [2020-09-25 05:11:27,009 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:11:27,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:11:27,714 INFO L93 Difference]: Finished difference Result 297 states and 335 transitions. [2020-09-25 05:11:27,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:11:27,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 05:11:27,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:11:27,718 INFO L225 Difference]: With dead ends: 297 [2020-09-25 05:11:27,718 INFO L226 Difference]: Without dead ends: 243 [2020-09-25 05:11:27,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:11:27,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-09-25 05:11:27,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 198. [2020-09-25 05:11:27,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-09-25 05:11:27,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 210 transitions. [2020-09-25 05:11:27,762 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 210 transitions. Word has length 149 [2020-09-25 05:11:27,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:11:27,763 INFO L479 AbstractCegarLoop]: Abstraction has 198 states and 210 transitions. [2020-09-25 05:11:27,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:11:27,763 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 210 transitions. [2020-09-25 05:11:27,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-25 05:11:27,765 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:11:27,766 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:11:27,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 05:11:27,766 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:11:27,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:11:27,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1528792447, now seen corresponding path program 1 times [2020-09-25 05:11:27,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:11:27,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244025502] [2020-09-25 05:11:27,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:11:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:27,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:28,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:29,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:29,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:30,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:32,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:32,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-09-25 05:11:32,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 05:11:32,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 05:11:32,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:32,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:11:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 05:11:32,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 05:11:32,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:33,162 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:11:33,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:11:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:33,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:33,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:33,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:11:33,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:33,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-25 05:11:33,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:33,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:33,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 05:11:33,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:33,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:11:33,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:33,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:33,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:33,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:33,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:33,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:33,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:33,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:33,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:33,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:33,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:11:33,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:33,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:11:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:33,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:33,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:33,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:33,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:33,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:33,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:33,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:33,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:33,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:33,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:11:33,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:33,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:11:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:33,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:33,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:33,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:33,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:33,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 05:11:33,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:33,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:33,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:33,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:11:33,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:33,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:11:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:33,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:33,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:33,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:33,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:33,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:33,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:33,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:33,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:33,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:11:33,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:33,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:11:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:33,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:33,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:33,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:11:33,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:33,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 05:11:33,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:33,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:33,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:33,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 05:11:33,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:33,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 05:11:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:33,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:33,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:33,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:33,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:33,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:11:33,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:33,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:33,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:11:33,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:33,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:33,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 05:11:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:33,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:33,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:33,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:33,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:33,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:33,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:33,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:33,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:33,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:11:33,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:33,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:33,588 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 05:11:33,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244025502] [2020-09-25 05:11:33,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:11:33,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:11:33,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169852846] [2020-09-25 05:11:33,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:11:33,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:11:33,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:11:33,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:11:33,591 INFO L87 Difference]: Start difference. First operand 198 states and 210 transitions. Second operand 5 states. [2020-09-25 05:11:34,092 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:11:35,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:11:35,114 INFO L93 Difference]: Finished difference Result 416 states and 478 transitions. [2020-09-25 05:11:35,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:11:35,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2020-09-25 05:11:35,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:11:35,119 INFO L225 Difference]: With dead ends: 416 [2020-09-25 05:11:35,119 INFO L226 Difference]: Without dead ends: 333 [2020-09-25 05:11:35,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:11:35,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-09-25 05:11:35,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 269. [2020-09-25 05:11:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-09-25 05:11:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 292 transitions. [2020-09-25 05:11:35,166 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 292 transitions. Word has length 158 [2020-09-25 05:11:35,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:11:35,167 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 292 transitions. [2020-09-25 05:11:35,167 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:11:35,167 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 292 transitions. [2020-09-25 05:11:35,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 05:11:35,169 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:11:35,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 05:11:35,170 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 05:11:35,170 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:11:35,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:11:35,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1048245850, now seen corresponding path program 1 times [2020-09-25 05:11:35,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:11:35,171 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832297316] [2020-09-25 05:11:35,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:11:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:35,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:36,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:36,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 05:11:40,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 05:11:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 05:11:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:40,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 05:11:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 05:11:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 05:11:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:40,591 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:11:40,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:11:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:40,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:40,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:40,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:11:40,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:40,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 05:11:40,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:40,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:40,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:40,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:40,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:40,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:11:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:40,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:40,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:40,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:40,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:40,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:40,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:40,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:40,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:40,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:40,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:11:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:40,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:40,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:40,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:40,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:40,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:40,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:40,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:40,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:40,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:40,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:11:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:40,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:40,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:40,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:40,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:40,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:11:40,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:40,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:40,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:40,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:11:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:40,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:40,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:40,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:40,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:40,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:40,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:40,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:40,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:40,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:40,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:11:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:40,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:40,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:40,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:11:40,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:40,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:40,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:40,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:40,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:40,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 05:11:40,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:40,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 05:11:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:40,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:40,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:40,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:40,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:40,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:11:40,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:40,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:40,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:11:40,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:40,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 05:11:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:40,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:40,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:40,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:40,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:40,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:40,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:40,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:40,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:11:40,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:40,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 05:11:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:40,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:40,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:40,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:40,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:40,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:40,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:40,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:40,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:40,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 05:11:40,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:40,924 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 05:11:40,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832297316] [2020-09-25 05:11:40,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 05:11:40,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 05:11:40,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087393382] [2020-09-25 05:11:40,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 05:11:40,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:11:40,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 05:11:40,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 05:11:40,927 INFO L87 Difference]: Start difference. First operand 269 states and 292 transitions. Second operand 5 states. [2020-09-25 05:11:41,628 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 05:11:43,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:11:43,013 INFO L93 Difference]: Finished difference Result 528 states and 624 transitions. [2020-09-25 05:11:43,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 05:11:43,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 05:11:43,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:11:43,019 INFO L225 Difference]: With dead ends: 528 [2020-09-25 05:11:43,019 INFO L226 Difference]: Without dead ends: 525 [2020-09-25 05:11:43,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 05:11:43,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-09-25 05:11:43,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 426. [2020-09-25 05:11:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-09-25 05:11:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 475 transitions. [2020-09-25 05:11:43,094 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 475 transitions. Word has length 161 [2020-09-25 05:11:43,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:11:43,094 INFO L479 AbstractCegarLoop]: Abstraction has 426 states and 475 transitions. [2020-09-25 05:11:43,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 05:11:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 475 transitions. [2020-09-25 05:11:43,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2020-09-25 05:11:43,098 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 05:11:43,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:11:43,098 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 05:11:43,099 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 05:11:43,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 05:11:43,099 INFO L82 PathProgramCache]: Analyzing trace with hash 1518459277, now seen corresponding path program 1 times [2020-09-25 05:11:43,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 05:11:43,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394549099] [2020-09-25 05:11:43,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 05:11:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:43,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:43,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:44,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:44,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 05:11:48,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 05:11:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 05:11:48,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:11:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 05:11:48,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 05:11:48,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:48,458 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 05:11:48,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 05:11:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 05:11:48,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 133 [2020-09-25 05:11:48,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:48,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:48,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:48,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:48,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 05:11:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:48,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:11:48,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,639 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:48,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:48,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:48,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 05:11:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:48,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:48,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:48,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:48,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 05:11:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:48,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:48,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:48,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:48,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:48,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:48,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 05:11:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:48,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:11:48,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:48,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:48,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:48,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 05:11:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 05:11:48,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:48,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:48,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:48,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:48,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:48,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 05:11:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-09-25 05:11:48,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 05:11:48,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:11:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 05:11:48,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-25 05:11:48,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:48,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:11:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:48,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 05:11:48,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 05:11:48,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:48,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 05:11:48,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:48,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 05:11:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 05:11:48,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-25 05:11:48,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 05:11:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 05:11:48,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 05:11:48,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:48,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 05:11:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:48,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 05:11:48,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:48,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:48,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:48,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:48,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 05:11:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:48,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:48,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:48,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:48,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 05:11:48,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:48,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:48,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 05:11:48,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 05:11:48,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 05:11:48,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:48,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 05:11:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:48,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:49,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:49,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 05:11:49,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 05:11:49,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:49,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-25 05:11:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:49,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:49,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 05:11:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:49,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:49,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:49,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:49,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:49,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 05:11:49,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:49,008 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:49,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:49,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:11:49,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:49,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 05:11:49,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-09-25 05:11:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 05:11:49,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 05:11:49,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 05:11:49,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 05:11:49,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 05:11:49,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 05:11:49,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 05:11:49,020 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 05:11:49,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 05:11:49,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 05:11:49,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 05:11:49,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 05:11:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-09-25 05:11:49,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394549099] [2020-09-25 05:11:49,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 05:11:49,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-25 05:11:49,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031267652] [2020-09-25 05:11:49,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 05:11:49,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 05:11:49,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 05:11:49,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-09-25 05:11:49,081 INFO L87 Difference]: Start difference. First operand 426 states and 475 transitions. Second operand 11 states. [2020-09-25 05:11:49,635 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 05:11:51,135 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 05:11:51,795 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 05:11:52,441 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 05:11:53,097 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 05:11:53,706 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 05:11:53,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 05:11:53,950 INFO L93 Difference]: Finished difference Result 616 states and 726 transitions. [2020-09-25 05:11:53,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 05:11:53,951 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 210 [2020-09-25 05:11:53,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 05:11:53,952 INFO L225 Difference]: With dead ends: 616 [2020-09-25 05:11:53,952 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 05:11:53,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-09-25 05:11:53,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 05:11:53,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 05:11:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 05:11:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 05:11:53,958 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2020-09-25 05:11:53,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 05:11:53,959 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 05:11:53,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 05:11:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 05:11:53,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 05:11:53,959 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 05:11:53,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 05:11:54,234 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:11:54,419 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:11:54,610 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:11:54,786 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 05:11:54,956 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 05:11:55,130 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 10 [2020-09-25 05:11:55,545 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-25 05:11:55,931 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194