/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=0.2 --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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:58:19,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:58:19,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:58:19,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:58:19,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:58:19,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:58:19,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:58:19,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:58:19,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:58:19,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:58:19,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:58:19,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:58:19,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:58:19,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:58:19,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:58:19,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:58:19,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:58:19,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:58:19,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:58:19,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:58:19,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:58:20,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:58:20,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:58:20,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:58:20,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:58:20,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:58:20,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:58:20,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:58:20,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:58:20,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:58:20,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:58:20,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:58:20,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:58:20,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:58:20,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:58:20,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:58:20,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:58:20,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:58:20,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:58:20,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:58:20,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:58:20,041 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 10:58:20,085 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:58:20,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:58:20,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:58:20,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:58:20,088 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:58:20,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:58:20,089 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:58:20,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:58:20,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:58:20,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:58:20,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:58:20,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:58:20,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:58:20,091 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:58:20,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:58:20,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:58:20,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:58:20,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:58:20,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:58:20,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:58:20,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:58:20,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:58:20,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:58:20,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:58:20,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:58:20,093 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:58:20,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:58:20,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:58:20,094 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:58:20,094 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 10:58:20,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:58:20,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:58:20,592 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:58:20,594 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:58:20,595 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:58:20,596 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-09-25 10:58:20,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e710110c/d3d3eb2272b543d08f565add1dfb0ee7/FLAG70537dc51 [2020-09-25 10:58:21,331 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:58:21,335 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-09-25 10:58:21,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e710110c/d3d3eb2272b543d08f565add1dfb0ee7/FLAG70537dc51 [2020-09-25 10:58:21,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e710110c/d3d3eb2272b543d08f565add1dfb0ee7 [2020-09-25 10:58:21,601 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:58:21,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:58:21,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:58:21,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:58:21,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:58:21,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:58:21" (1/1) ... [2020-09-25 10:58:21,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:21, skipping insertion in model container [2020-09-25 10:58:21,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:58:21" (1/1) ... [2020-09-25 10:58:21,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:58:21,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:58:22,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:58:22,051 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:58:22,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:58:22,269 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:58:22,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:22 WrapperNode [2020-09-25 10:58:22,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:58:22,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:58:22,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:58:22,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:58:22,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:22" (1/1) ... [2020-09-25 10:58:22,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:22" (1/1) ... [2020-09-25 10:58:22,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:22" (1/1) ... [2020-09-25 10:58:22,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:22" (1/1) ... [2020-09-25 10:58:22,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:22" (1/1) ... [2020-09-25 10:58:22,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:22" (1/1) ... [2020-09-25 10:58:22,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:22" (1/1) ... [2020-09-25 10:58:22,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:58:22,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:58:22,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:58:22,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:58:22,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:22" (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 10:58:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:58:22,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:58:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:58:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:58:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:58:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:58:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:58:22,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:58:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:58:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:58:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:58:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:58:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:58:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:58:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:58:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:58:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:58:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:58:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:58:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:58:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:58:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 10:58:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:58:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 10:58:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:58:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:58:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:58:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:58:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:58:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 10:58:22,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:58:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:58:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:58:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:58:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:58:22,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:58:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 10:58:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:58:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:58:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:58:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:58:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:58:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:58:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:58:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:58:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:58:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:58:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:58:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:58:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:58:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:58:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:58:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:58:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:58:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:58:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:58:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:58:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:58:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:58:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:58:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:58:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:58:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:58:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:58:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:58:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:58:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:58:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 10:58:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:58:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:58:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:58:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:58:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:58:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:58:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:58:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 10:58:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:58:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 10:58:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:58:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 10:58:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:58:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:58:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:58:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:58:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:58:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:58:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:58:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:58:23,637 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:58:23,638 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:58:23,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:58:23 BoogieIcfgContainer [2020-09-25 10:58:23,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:58:23,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:58:23,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:58:23,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:58:23,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:58:21" (1/3) ... [2020-09-25 10:58:23,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21428843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:58:23, skipping insertion in model container [2020-09-25 10:58:23,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:58:22" (2/3) ... [2020-09-25 10:58:23,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21428843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:58:23, skipping insertion in model container [2020-09-25 10:58:23,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:58:23" (3/3) ... [2020-09-25 10:58:23,662 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-09-25 10:58:23,675 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:58:23,685 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:58:23,707 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:58:23,736 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:58:23,736 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:58:23,736 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:58:23,736 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:58:23,737 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:58:23,737 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:58:23,737 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:58:23,737 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:58:23,767 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-09-25 10:58:23,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 10:58:23,784 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:58:23,785 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 10:58:23,786 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:58:23,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:58:23,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1699265517, now seen corresponding path program 1 times [2020-09-25 10:58:23,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:58:23,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1732173631] [2020-09-25 10:58:23,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:58:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:24,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:24,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:26,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:27,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:29,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:29,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 10:58:29,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:58:29,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-25 10:58:29,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:29,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 10:58:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 10:58:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-25 10:58:29,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 10:58:29,652 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:58:29,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:58:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:29,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:30,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:30,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:58:30,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:30,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-09-25 10:58:30,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:30,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:30,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:30,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:30,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 10:58:30,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:58:30,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:58:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:30,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:30,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:30,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:30,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:30,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:58:30,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:30,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:30,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:30,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:30,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:30,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:58:30,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:58:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:30,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:30,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:30,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:30,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:30,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:58:30,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:30,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:30,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:30,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:30,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:30,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:58:30,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:58:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:30,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:30,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:30,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:30,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:30,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:58:30,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:30,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:30,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:30,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:58:30,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:58:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:30,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:30,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:30,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:30,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:30,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:58:30,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:30,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:30,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:30,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:30,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:58:30,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 10:58:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:30,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:30,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:30,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:30,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:30,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 10:58:30,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:30,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:58:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:30,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:58:30,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 10:58:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:30,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:30,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:30,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:30,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:30,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:58:30,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:30,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:30,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:30,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:30,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:30,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 10:58:30,386 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 10:58:30,388 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1732173631] [2020-09-25 10:58:30,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:58:30,392 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 10:58:30,393 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806903454] [2020-09-25 10:58:30,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 10:58:30,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:58:30,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 10:58:30,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 10:58:30,435 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 8 states. [2020-09-25 10:58:31,262 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:58:32,272 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:58:32,638 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:33,013 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:58:33,453 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:58:33,833 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:34,225 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:58:34,562 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:58:36,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:58:36,232 INFO L93 Difference]: Finished difference Result 530 states and 655 transitions. [2020-09-25 10:58:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 10:58:36,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 10:58:36,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:58:36,255 INFO L225 Difference]: With dead ends: 530 [2020-09-25 10:58:36,256 INFO L226 Difference]: Without dead ends: 368 [2020-09-25 10:58:36,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 10:58:36,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-09-25 10:58:36,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 326. [2020-09-25 10:58:36,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-09-25 10:58:36,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 366 transitions. [2020-09-25 10:58:36,421 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 366 transitions. Word has length 142 [2020-09-25 10:58:36,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:58:36,422 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 366 transitions. [2020-09-25 10:58:36,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 10:58:36,423 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 366 transitions. [2020-09-25 10:58:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 10:58:36,433 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:58:36,434 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 10:58:36,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:58:36,434 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:58:36,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:58:36,435 INFO L82 PathProgramCache]: Analyzing trace with hash 359727385, now seen corresponding path program 1 times [2020-09-25 10:58:36,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:58:36,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [189387914] [2020-09-25 10:58:36,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:58:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:36,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:36,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:37,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:41,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:41,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 10:58:41,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:58:41,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 10:58:41,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:41,501 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:58:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 10:58:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 10:58:41,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:41,801 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:58:41,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:58:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:41,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:42,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:42,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:58:42,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:42,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-09-25 10:58:42,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:42,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:42,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 10:58:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:42,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:58:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:42,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:42,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:42,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:42,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:42,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:42,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:42,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:42,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:42,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:42,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:58:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:42,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:42,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:42,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:42,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:42,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:42,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:42,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:42,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:42,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:42,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:42,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:58:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:42,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:42,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:42,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:42,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:42,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 10:58:42,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:42,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:42,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:42,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:42,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:58:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:42,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:42,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:42,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:42,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:42,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:42,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:42,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:42,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:42,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:42,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 10:58:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:42,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:42,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:42,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:58:42,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:42,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:58:42,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:42,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:42,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:58:42,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:42,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 10:58:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:42,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:42,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:42,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:42,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:42,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:42,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:42,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:42,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:42,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:42,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:42,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:42,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 10:58:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:42,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:42,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:42,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:42,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:42,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:42,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:42,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:42,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:42,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:42,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:42,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:42,241 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 10:58:42,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [189387914] [2020-09-25 10:58:42,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:58:42,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:58:42,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125450324] [2020-09-25 10:58:42,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:58:42,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:58:42,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:58:42,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:58:42,247 INFO L87 Difference]: Start difference. First operand 326 states and 366 transitions. Second operand 5 states. [2020-09-25 10:58:42,801 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:58:43,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:58:43,991 INFO L93 Difference]: Finished difference Result 591 states and 717 transitions. [2020-09-25 10:58:43,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:58:43,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 10:58:43,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:58:43,998 INFO L225 Difference]: With dead ends: 591 [2020-09-25 10:58:43,998 INFO L226 Difference]: Without dead ends: 375 [2020-09-25 10:58:44,001 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 10:58:44,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2020-09-25 10:58:44,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 324. [2020-09-25 10:58:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-09-25 10:58:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 360 transitions. [2020-09-25 10:58:44,061 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 360 transitions. Word has length 148 [2020-09-25 10:58:44,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:58:44,062 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 360 transitions. [2020-09-25 10:58:44,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:58:44,062 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 360 transitions. [2020-09-25 10:58:44,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 10:58:44,065 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:58:44,065 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] [2020-09-25 10:58:44,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:58:44,066 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:58:44,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:58:44,066 INFO L82 PathProgramCache]: Analyzing trace with hash 782992610, now seen corresponding path program 1 times [2020-09-25 10:58:44,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:58:44,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140266252] [2020-09-25 10:58:44,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:58:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:44,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:44,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:44,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 10:58:49,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:58:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 10:58:49,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:58:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 10:58:49,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-25 10:58:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:49,538 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:58:49,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:58:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:49,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:58:49,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:49,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-25 10:58:49,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 10:58:49,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:49,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:58:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:49,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:49,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:49,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:49,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:49,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:49,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:58:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:49,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:49,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:49,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:49,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:49,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:49,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:58:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:49,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:49,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:49,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:58:49,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:49,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:49,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:49,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:49,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:58:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:49,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:49,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:49,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:49,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:49,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:58:49,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 10:58:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:49,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:58:49,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:49,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:49,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 10:58:49,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:49,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:49,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 10:58:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:49,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:58:49,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:49,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:49,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:49,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 10:58:49,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:49,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:49,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:58:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:49,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:49,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:49,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:49,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:49,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:49,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:49,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:49,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 10:58:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:49,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:49,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:49,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:49,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:49,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:49,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:49,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 10:58:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:49,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:49,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:49,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:49,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:49,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:49,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:49,973 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:49,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:58:49,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:58:49,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:58:49,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:50,018 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 10:58:50,019 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140266252] [2020-09-25 10:58:50,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:58:50,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 10:58:50,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144200043] [2020-09-25 10:58:50,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 10:58:50,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:58:50,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 10:58:50,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 10:58:50,022 INFO L87 Difference]: Start difference. First operand 324 states and 360 transitions. Second operand 6 states. [2020-09-25 10:58:50,520 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 10:58:51,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:58:51,305 INFO L93 Difference]: Finished difference Result 501 states and 585 transitions. [2020-09-25 10:58:51,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 10:58:51,306 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-25 10:58:51,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:58:51,310 INFO L225 Difference]: With dead ends: 501 [2020-09-25 10:58:51,310 INFO L226 Difference]: Without dead ends: 276 [2020-09-25 10:58:51,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 10:58:51,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-25 10:58:51,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 254. [2020-09-25 10:58:51,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-25 10:58:51,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 270 transitions. [2020-09-25 10:58:51,350 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 270 transitions. Word has length 156 [2020-09-25 10:58:51,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:58:51,351 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 270 transitions. [2020-09-25 10:58:51,351 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 10:58:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 270 transitions. [2020-09-25 10:58:51,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-25 10:58:51,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:58:51,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:58:51,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:58:51,354 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:58:51,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:58:51,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1575382864, now seen corresponding path program 1 times [2020-09-25 10:58:51,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:58:51,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813122808] [2020-09-25 10:58:51,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:58:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:51,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:52,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:52,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:53,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:56,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:56,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-25 10:58:56,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:58:56,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 10:58:56,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:56,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:56,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 10:58:56,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 10:58:56,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-09-25 10:58:56,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 10:58:56,743 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:58:56,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:58:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:56,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 10:58:57,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:57,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-09-25 10:58:57,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:57,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:57,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 10:58:57,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:57,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 10:58:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:57,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:57,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:57,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:57,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:57,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:57,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:57,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 10:58:57,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:57,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:57,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:57,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:57,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:57,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:57,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:57,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 10:58:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:57,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:57,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:57,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:58:57,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:57,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:57,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:57,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:57,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 10:58:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:57,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:57,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:57,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:58:57,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:57,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:57,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:57,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 10:58:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:57,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:58:57,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:57,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:58:57,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:57,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:58:57,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:57,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 10:58:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:57,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:58:57,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:57,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:58:57,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:57,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:57,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:58:57,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:57,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 10:58:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:57,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 10:58:57,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:58:57,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:58:57,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:58:57,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:58:57,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 10:58:57,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:58:57,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 10:58:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:57,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:58:57,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:57,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:57,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:58:57,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:57,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 10:58:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:57,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:57,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:57,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:58:57,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:58:57,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:57,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:57,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:57,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 10:58:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:58:57,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:58:57,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:58:57,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:58:57,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:58:57,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:58:57,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:58:57,186 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:58:57,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:58:57,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:58:57,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:58:57,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:58:57,248 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 10:58:57,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813122808] [2020-09-25 10:58:57,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:58:57,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 10:58:57,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630437515] [2020-09-25 10:58:57,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 10:58:57,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:58:57,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 10:58:57,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:58:57,251 INFO L87 Difference]: Start difference. First operand 254 states and 270 transitions. Second operand 11 states. [2020-09-25 10:58:57,779 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 10:58:59,050 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:58:59,445 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:58:59,835 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:59:00,188 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:00,513 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 10:59:00,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:59:00,923 INFO L93 Difference]: Finished difference Result 323 states and 365 transitions. [2020-09-25 10:59:00,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 10:59:00,924 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 169 [2020-09-25 10:59:00,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:59:00,925 INFO L225 Difference]: With dead ends: 323 [2020-09-25 10:59:00,925 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 10:59:00,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2020-09-25 10:59:00,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 10:59:00,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 10:59:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 10:59:00,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 10:59:00,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-09-25 10:59:00,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:59:00,929 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 10:59:00,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 10:59:00,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 10:59:00,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 10:59:00,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 10:59:00,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 10:59:01,140 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:01,314 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:01,494 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:01,664 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:01,840 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:02,083 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 19 [2020-09-25 10:59:02,257 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:02,421 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:02,582 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:02,743 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:02,901 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:03,066 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:03,224 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:03,389 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:03,553 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:03,693 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 10:59:03,899 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 19 [2020-09-25 10:59:04,068 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:04,330 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 10:59:04,582 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 10:59:04,840 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 10:59:05,092 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 10:59:05,258 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:05,415 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:05,630 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 19 [2020-09-25 10:59:05,797 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:05,955 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:06,112 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:06,274 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:06,445 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:06,602 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:06,758 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:06,916 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:07,077 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:07,235 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:07,398 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:07,562 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:07,723 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:07,881 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:08,085 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 19 [2020-09-25 10:59:08,247 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:08,404 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:08,562 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 10:59:08,724 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:08,887 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:09,049 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 10:59:09,312 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 10:59:09,634 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190