/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --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_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:51:14,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:51:14,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:51:14,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:51:14,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:51:14,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:51:14,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:51:14,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:51:14,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:51:14,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:51:14,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:51:14,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:51:14,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:51:14,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:51:14,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:51:14,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:51:14,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:51:14,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:51:14,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:51:14,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:51:14,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:51:14,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:51:14,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:51:14,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:51:14,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:51:14,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:51:14,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:51:14,829 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:51:14,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:51:14,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:51:14,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:51:14,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:51:14,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:51:14,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:51:14,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:51:14,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:51:14,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:51:14,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:51:14,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:51:14,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:51:14,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:51:14,840 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 09:51:14,881 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:51:14,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:51:14,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:51:14,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:51:14,884 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:51:14,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:51:14,884 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:51:14,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:51:14,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:51:14,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:51:14,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:51:14,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:51:14,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:51:14,885 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:51:14,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:51:14,886 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:51:14,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:51:14,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:51:14,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:51:14,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:51:14,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:51:14,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:51:14,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:51:14,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:51:14,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:51:14,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:51:14,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:51:14,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:51:14,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:51:14,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-09-25 09:51:15,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:51:15,405 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:51:15,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:51:15,411 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:51:15,412 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:51:15,413 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-09-25 09:51:15,497 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4025febf3/6ee89a591b3a4b92a56d68f9e3a7b483/FLAG9525a3154 [2020-09-25 09:51:16,166 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:51:16,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-09-25 09:51:16,183 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4025febf3/6ee89a591b3a4b92a56d68f9e3a7b483/FLAG9525a3154 [2020-09-25 09:51:16,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4025febf3/6ee89a591b3a4b92a56d68f9e3a7b483 [2020-09-25 09:51:16,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:51:16,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:51:16,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:51:16,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:51:16,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:51:16,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:51:16" (1/1) ... [2020-09-25 09:51:16,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d7d7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:16, skipping insertion in model container [2020-09-25 09:51:16,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:51:16" (1/1) ... [2020-09-25 09:51:16,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:51:16,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:51:16,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:51:17,043 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:51:17,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:51:17,162 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:51:17,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:17 WrapperNode [2020-09-25 09:51:17,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:51:17,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:51:17,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:51:17,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:51:17,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:17" (1/1) ... [2020-09-25 09:51:17,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:17" (1/1) ... [2020-09-25 09:51:17,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:17" (1/1) ... [2020-09-25 09:51:17,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:17" (1/1) ... [2020-09-25 09:51:17,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:17" (1/1) ... [2020-09-25 09:51:17,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:17" (1/1) ... [2020-09-25 09:51:17,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:17" (1/1) ... [2020-09-25 09:51:17,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:51:17,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:51:17,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:51:17,265 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:51:17,266 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:17" (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 09:51:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:51:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:51:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:51:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:51:17,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:51:17,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:51:17,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:51:17,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:51:17,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:51:17,383 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:51:17,383 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:51:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:51:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:51:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:51:17,384 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:51:17,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:51:17,387 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:51:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:51:17,388 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:51:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:51:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:51:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:51:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:51:17,389 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:51:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:51:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 09:51:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:51:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:51:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:51:17,390 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:51:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:51:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:51:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:51:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:51:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:51:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:51:17,391 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:51:17,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:51:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:51:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:51:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:51:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:51:17,392 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:51:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:51:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:51:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:51:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:51:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:51:17,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:51:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:51:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:51:17,394 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:51:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:51:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:51:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:51:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:51:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:51:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:51:17,395 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:51:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:51:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:51:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:51:17,396 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:51:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:51:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:51:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:51:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:51:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:51:17,397 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:51:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:51:17,398 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 09:51:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 09:51:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:51:17,400 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:51:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:51:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:51:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:51:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:51:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:51:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:51:17,401 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:51:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:51:17,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:51:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:51:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:51:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:51:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:51:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:51:17,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:51:17,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:51:18,714 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:51:18,714 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:51:18,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:51:18 BoogieIcfgContainer [2020-09-25 09:51:18,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:51:18,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:51:18,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:51:18,728 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:51:18,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:51:16" (1/3) ... [2020-09-25 09:51:18,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2087d3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:51:18, skipping insertion in model container [2020-09-25 09:51:18,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:51:17" (2/3) ... [2020-09-25 09:51:18,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2087d3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:51:18, skipping insertion in model container [2020-09-25 09:51:18,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:51:18" (3/3) ... [2020-09-25 09:51:18,734 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2020-09-25 09:51:18,747 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:51:18,758 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:51:18,782 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:51:18,817 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:51:18,818 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:51:18,818 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:51:18,818 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:51:18,818 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:51:18,818 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:51:18,819 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:51:18,819 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:51:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-09-25 09:51:18,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:51:18,872 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:18,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:51:18,874 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:18,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:18,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2064914024, now seen corresponding path program 1 times [2020-09-25 09:51:18,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:18,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1561033219] [2020-09-25 09:51:18,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:19,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:19,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:21,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:22,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:24,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:24,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:51:24,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:51:24,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5064 [2020-09-25 09:51:24,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:24,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:24,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:51:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 09:51:24,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 09:51:24,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 09:51:24,812 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:24,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:24,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:25,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:25,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:25,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:25,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-09-25 09:51:25,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:25,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:25,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:25,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 09:51:25,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:25,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:25,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:25,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:25,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:25,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:25,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:51:25,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:25,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:25,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:25,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:25,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:25,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:25,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:25,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:25,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:25,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:25,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:51:25,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:25,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:25,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:25,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:25,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:25,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:25,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:25,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:25,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:51:25,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:25,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:25,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:25,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:25,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:25,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:25,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:25,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:25,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:25,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:25,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:25,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:25,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:25,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:25,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:25,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:25,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:51:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:25,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:25,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:25,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:25,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:25,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:51:25,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:25,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:25,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:51:25,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:25,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:25,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:51:25,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:51:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:25,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:25,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:25,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:25,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:25,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 09:51:25,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:25,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:25,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:51:25,511 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 09:51:25,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1561033219] [2020-09-25 09:51:25,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:25,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:51:25,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292344526] [2020-09-25 09:51:25,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:51:25,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:25,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:51:25,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:51:25,558 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 8 states. [2020-09-25 09:51:26,402 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:51:27,678 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:28,198 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:28,658 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:29,028 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:29,296 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:51:29,560 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:29,847 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:51:31,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:31,401 INFO L93 Difference]: Finished difference Result 556 states and 690 transitions. [2020-09-25 09:51:31,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 09:51:31,404 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:51:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:31,427 INFO L225 Difference]: With dead ends: 556 [2020-09-25 09:51:31,427 INFO L226 Difference]: Without dead ends: 386 [2020-09-25 09:51:31,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 09:51:31,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-09-25 09:51:31,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 342. [2020-09-25 09:51:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-09-25 09:51:31,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 388 transitions. [2020-09-25 09:51:31,620 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 388 transitions. Word has length 142 [2020-09-25 09:51:31,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:31,622 INFO L479 AbstractCegarLoop]: Abstraction has 342 states and 388 transitions. [2020-09-25 09:51:31,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:51:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 388 transitions. [2020-09-25 09:51:31,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 09:51:31,628 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:31,628 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 09:51:31,629 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:51:31,629 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:31,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:31,629 INFO L82 PathProgramCache]: Analyzing trace with hash -702473135, now seen corresponding path program 1 times [2020-09-25 09:51:31,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:31,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694789389] [2020-09-25 09:51:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:31,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:31,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:32,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:36,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:36,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 09:51:36,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:51:36,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 09:51:36,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:36,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 09:51:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:51:36,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 09:51:36,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:37,137 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:37,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:37,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:37,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:37,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:37,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:37,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 337 [2020-09-25 09:51:37,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:37,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:37,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:37,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:37,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:51:37,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:37,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:37,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:37,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:37,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:37,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:37,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:37,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:37,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:37,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:37,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:37,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:37,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:37,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:37,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:37,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:37,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:37,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:37,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:37,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:37,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:37,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:37,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:37,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:37,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:37,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:37,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:37,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:37,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:37,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:37,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:51:37,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:37,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:37,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:37,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:37,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:37,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:37,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:37,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:37,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:37,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:37,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:37,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:37,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:37,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:37,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 09:51:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:37,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:37,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:37,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:37,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:37,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:51:37,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:37,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:37,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:37,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:37,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:51:37,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:37,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 09:51:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:37,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:37,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:37,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:37,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:37,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:37,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:37,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:37,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:37,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:37,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:37,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:37,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 09:51:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:37,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:37,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:37,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:37,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:37,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:51:37,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:37,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:37,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:51:37,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:51:37,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:51:37,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:37,701 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 09:51:37,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694789389] [2020-09-25 09:51:37,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:37,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 09:51:37,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245699442] [2020-09-25 09:51:37,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 09:51:37,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:37,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 09:51:37,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 09:51:37,708 INFO L87 Difference]: Start difference. First operand 342 states and 388 transitions. Second operand 5 states. [2020-09-25 09:51:38,172 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:51:40,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:40,233 INFO L93 Difference]: Finished difference Result 881 states and 1082 transitions. [2020-09-25 09:51:40,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 09:51:40,233 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 09:51:40,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:40,241 INFO L225 Difference]: With dead ends: 881 [2020-09-25 09:51:40,242 INFO L226 Difference]: Without dead ends: 649 [2020-09-25 09:51:40,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:51:40,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-09-25 09:51:40,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 561. [2020-09-25 09:51:40,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-09-25 09:51:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 651 transitions. [2020-09-25 09:51:40,378 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 651 transitions. Word has length 148 [2020-09-25 09:51:40,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:40,379 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 651 transitions. [2020-09-25 09:51:40,379 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 09:51:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 651 transitions. [2020-09-25 09:51:40,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 09:51:40,384 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:51:40,385 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:51:40,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:51:40,385 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:51:40,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:51:40,386 INFO L82 PathProgramCache]: Analyzing trace with hash 532350854, now seen corresponding path program 1 times [2020-09-25 09:51:40,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:51:40,386 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1541880875] [2020-09-25 09:51:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:51:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:40,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:41,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:42,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:42,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:45,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:45,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 09:51:45,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 09:51:45,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 09:51:45,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:45,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:45,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:51:45,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:51:45,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 116 [2020-09-25 09:51:45,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:45,895 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:45,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:51:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:45,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:51:46,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 230 [2020-09-25 09:51:46,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:51:46,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:51:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:46,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:46,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:51:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:46,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:46,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:46,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:51:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:46,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:51:46,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:46,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:51:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:46,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:46,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 09:51:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:51:46,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:51:46,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:51:46,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 09:51:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 09:51:46,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:51:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:51:46,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:51:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 09:51:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:51:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:51:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:51:46,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:51:46,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:51:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 09:51:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:46,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:51:46,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:51:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:46,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 09:51:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:51:46,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:51:46,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:51:46,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:51:46,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:51:46,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:51:46,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:51:46,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:51:46,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:51:46,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:51:46,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:51:46,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:51:46,408 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 09:51:46,409 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1541880875] [2020-09-25 09:51:46,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:51:46,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 09:51:46,410 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024171635] [2020-09-25 09:51:46,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 09:51:46,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:51:46,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 09:51:46,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 09:51:46,411 INFO L87 Difference]: Start difference. First operand 561 states and 651 transitions. Second operand 10 states. [2020-09-25 09:51:46,966 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:48,346 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:48,698 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:51:49,004 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:49,356 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:51:49,678 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:49,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:51:49,862 INFO L93 Difference]: Finished difference Result 888 states and 1078 transitions. [2020-09-25 09:51:49,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 09:51:49,866 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 09:51:49,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:51:49,867 INFO L225 Difference]: With dead ends: 888 [2020-09-25 09:51:49,867 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 09:51:49,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 09:51:49,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 09:51:49,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 09:51:49,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 09:51:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 09:51:49,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 09:51:49,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:51:49,877 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 09:51:49,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 09:51:49,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 09:51:49,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 09:51:49,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:51:49,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 09:51:50,072 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:50,248 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:50,415 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:50,582 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:50,736 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:50,899 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:51,058 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:51,216 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:51,382 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:51,544 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:51,709 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:51,870 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:52,028 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:52,181 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:52,331 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:52,497 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:52,654 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:52,811 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:52,973 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:53,128 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:53,282 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:53,440 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:53,591 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:53,754 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:53,912 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:54,038 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 7 [2020-09-25 09:51:54,192 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:51:54,368 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:54,522 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:54,706 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:54,862 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:55,018 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:55,173 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:55,326 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:55,483 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:55,632 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:55,783 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:55,937 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:56,086 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:56,245 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:56,409 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:56,568 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:56,726 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:56,886 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:57,044 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:57,193 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:57,346 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:57,603 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 09:51:57,925 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-25 09:51:58,074 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:58,407 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 09:51:58,663 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 09:51:58,828 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:58,987 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:59,142 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:59,296 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:59,451 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:51:59,610 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:51:59,770 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:51:59,919 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:52:00,073 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:52:00,236 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:52:00,395 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:52:00,547 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:52:00,708 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:52:00,861 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:52:01,017 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:52:01,166 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:52:01,319 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:52:01,468 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:52:01,621 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:52:01,779 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:52:02,036 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:52:02,189 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:52:02,508 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 09:52:02,822 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 09:52:03,152 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 09:52:03,485 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 09:52:03,720 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 09:52:03,959 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 09:52:04,272 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 09:52:04,507 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-25 09:52:04,761 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 09:52:05,015 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 09:52:05,271 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 09:52:05,523 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 09:52:05,855 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 09:52:06,013 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:52:06,273 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:52:06,426 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:52:06,574 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:52:06,727 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:52:06,885 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:52:07,048 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:52:07,204 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:52:07,465 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191