/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=WIDEST --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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:01:12,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:01:12,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:01:12,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:01:12,929 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:01:12,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:01:12,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:01:12,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:01:12,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:01:12,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:01:12,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:01:12,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:01:12,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:01:12,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:01:12,942 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:01:12,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:01:12,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:01:12,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:01:12,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:01:12,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:01:12,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:01:12,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:01:12,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:01:12,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:01:12,965 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:01:12,965 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:01:12,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:01:12,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:01:12,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:01:12,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:01:12,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:01:12,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:01:12,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:01:12,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:01:12,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:01:12,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:01:12,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:01:12,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:01:12,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:01:12,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:01:12,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:01:12,981 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 03:01:13,046 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:01:13,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:01:13,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:01:13,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:01:13,051 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:01:13,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:01:13,052 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:01:13,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:01:13,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:01:13,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:01:13,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:01:13,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:01:13,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:01:13,056 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:01:13,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:01:13,057 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:01:13,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:01:13,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:01:13,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:01:13,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:01:13,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:01:13,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:01:13,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:01:13,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:01:13,059 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:01:13,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:01:13,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:01:13,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:01:13,060 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:01:13,060 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 03:01:13,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:01:13,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:01:13,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:01:13,589 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:01:13,590 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:01:13,591 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-09-25 03:01:13,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12efc1346/8f34081c7b8e4477b82dfd6078d1f09c/FLAGbe3bae625 [2020-09-25 03:01:14,249 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:01:14,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-09-25 03:01:14,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12efc1346/8f34081c7b8e4477b82dfd6078d1f09c/FLAGbe3bae625 [2020-09-25 03:01:14,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12efc1346/8f34081c7b8e4477b82dfd6078d1f09c [2020-09-25 03:01:14,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:01:14,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:01:14,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:01:14,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:01:14,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:01:14,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:01:14" (1/1) ... [2020-09-25 03:01:14,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce2d4b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:14, skipping insertion in model container [2020-09-25 03:01:14,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:01:14" (1/1) ... [2020-09-25 03:01:14,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:01:14,665 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:01:15,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:01:15,148 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:01:15,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:01:15,264 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:01:15,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:15 WrapperNode [2020-09-25 03:01:15,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:01:15,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:01:15,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:01:15,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:01:15,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:15" (1/1) ... [2020-09-25 03:01:15,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:15" (1/1) ... [2020-09-25 03:01:15,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:15" (1/1) ... [2020-09-25 03:01:15,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:15" (1/1) ... [2020-09-25 03:01:15,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:15" (1/1) ... [2020-09-25 03:01:15,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:15" (1/1) ... [2020-09-25 03:01:15,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:15" (1/1) ... [2020-09-25 03:01:15,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:01:15,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:01:15,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:01:15,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:01:15,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:15" (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 03:01:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:01:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:01:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:01:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:01:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:01:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:01:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:01:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:01:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:01:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:01:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:01:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:01:15,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:01:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:01:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:01:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:01:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:01:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 03:01:15,437 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:01:15,438 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:01:15,438 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:01:15,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:01:15,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:01:15,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:01:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:01:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:01:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 03:01:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:01:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:01:15,439 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:01:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:01:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:01:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:01:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:01:15,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:01:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:01:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:01:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:01:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:01:15,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:01:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:01:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:01:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:01:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:01:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:01:15,442 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:01:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:01:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:01:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:01:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:01:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:01:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:01:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:01:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:01:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:01:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:01:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:01:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:01:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:01:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:01:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:01:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:01:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:01:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:01:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:01:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:01:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:01:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:01:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:01:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:01:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:01:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:01:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:01:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 03:01:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:01:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:01:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:01:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:01:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:01:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:01:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:01:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:01:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:01:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:01:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:01:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:01:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 03:01:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:01:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:01:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:01:15,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:01:15,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:01:15,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:01:15,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:01:16,569 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:01:16,569 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:01:16,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:01:16 BoogieIcfgContainer [2020-09-25 03:01:16,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:01:16,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:01:16,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:01:16,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:01:16,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:01:14" (1/3) ... [2020-09-25 03:01:16,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bf24e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:01:16, skipping insertion in model container [2020-09-25 03:01:16,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:01:15" (2/3) ... [2020-09-25 03:01:16,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bf24e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:01:16, skipping insertion in model container [2020-09-25 03:01:16,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:01:16" (3/3) ... [2020-09-25 03:01:16,596 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2020-09-25 03:01:16,609 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:01:16,623 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:01:16,649 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:01:16,690 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:01:16,690 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:01:16,690 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:01:16,690 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:01:16,691 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:01:16,691 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:01:16,691 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:01:16,692 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:01:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-25 03:01:16,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:01:16,763 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:01:16,765 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 03:01:16,766 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:01:16,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:01:16,777 INFO L82 PathProgramCache]: Analyzing trace with hash -55902763, now seen corresponding path program 1 times [2020-09-25 03:01:16,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:01:16,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [793901484] [2020-09-25 03:01:16,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:17,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:17,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:18,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:19,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:22,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:22,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:01:22,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:01:22,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 03:01:22,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:01:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:01:22,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:01:22,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 03:01:22,722 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:22,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:22,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:23,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:23,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:23,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-09-25 03:01:23,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:23,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:01:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:23,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:23,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:23,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:23,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:23,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:23,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:01:23,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:23,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:23,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:23,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:23,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:23,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:23,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:23,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:23,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:23,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:23,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:01:23,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:23,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:23,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:23,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:23,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:23,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:23,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:23,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 03:01:23,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:23,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:23,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:23,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:23,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:23,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:23,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:23,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:23,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:23,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:01:23,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:23,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:23,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:23,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:01:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:23,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:23,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:23,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:23,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:23,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:01:23,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:01:23,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:23,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:23,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:23,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:01:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:23,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:23,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:23,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:23,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:23,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:01:23,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:23,335 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 03:01:23,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [793901484] [2020-09-25 03:01:23,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:23,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 03:01:23,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550743374] [2020-09-25 03:01:23,349 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 03:01:23,350 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:23,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 03:01:23,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:01:23,372 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 8 states. [2020-09-25 03:01:24,071 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:01:24,970 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:25,337 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:25,761 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:26,140 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:01:26,494 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:26,822 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:27,131 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:01:29,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:01:29,185 INFO L93 Difference]: Finished difference Result 649 states and 797 transitions. [2020-09-25 03:01:29,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:01:29,188 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 03:01:29,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:01:29,224 INFO L225 Difference]: With dead ends: 649 [2020-09-25 03:01:29,224 INFO L226 Difference]: Without dead ends: 450 [2020-09-25 03:01:29,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:01:29,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2020-09-25 03:01:29,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 405. [2020-09-25 03:01:29,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-25 03:01:29,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 461 transitions. [2020-09-25 03:01:29,387 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 461 transitions. Word has length 142 [2020-09-25 03:01:29,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:01:29,388 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 461 transitions. [2020-09-25 03:01:29,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 03:01:29,388 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 461 transitions. [2020-09-25 03:01:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 03:01:29,392 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:01:29,393 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 03:01:29,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:01:29,393 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:01:29,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:01:29,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1833039273, now seen corresponding path program 1 times [2020-09-25 03:01:29,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:01:29,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012598544] [2020-09-25 03:01:29,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:29,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:29,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:30,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:34,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:34,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 03:01:34,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:01:34,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 03:01:34,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:01:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 03:01:34,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 03:01:34,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:34,775 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:34,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:34,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:35,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:35,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:35,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:35,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 03:01:35,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:35,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:01:35,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:35,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:35,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:35,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:35,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:35,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:35,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:35,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:35,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:35,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:35,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:35,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:35,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:35,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:35,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:35,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:35,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:35,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:35,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:35,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:35,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:35,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:35,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:35,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:01:35,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:35,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:35,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:35,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:35,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:35,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:35,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:35,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:35,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:35,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:35,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:35,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:35,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:35,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:35,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:01:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:35,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:35,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:35,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:01:35,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:35,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:01:35,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:35,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:35,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:35,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:01:35,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:35,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 03:01:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:35,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:35,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:35,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:35,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:35,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:35,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:35,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:35,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:35,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:35,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:35,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 03:01:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:35,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:35,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:35,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:35,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:35,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:35,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:35,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:35,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:35,203 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 03:01:35,207 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012598544] [2020-09-25 03:01:35,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:35,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 03:01:35,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271510103] [2020-09-25 03:01:35,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 03:01:35,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:35,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 03:01:35,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 03:01:35,213 INFO L87 Difference]: Start difference. First operand 405 states and 461 transitions. Second operand 5 states. [2020-09-25 03:01:35,779 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:01:38,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:01:38,454 INFO L93 Difference]: Finished difference Result 1123 states and 1386 transitions. [2020-09-25 03:01:38,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 03:01:38,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 03:01:38,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:01:38,466 INFO L225 Difference]: With dead ends: 1123 [2020-09-25 03:01:38,466 INFO L226 Difference]: Without dead ends: 828 [2020-09-25 03:01:38,475 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:01:38,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-09-25 03:01:38,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 675. [2020-09-25 03:01:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2020-09-25 03:01:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 783 transitions. [2020-09-25 03:01:38,603 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 783 transitions. Word has length 148 [2020-09-25 03:01:38,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:01:38,604 INFO L479 AbstractCegarLoop]: Abstraction has 675 states and 783 transitions. [2020-09-25 03:01:38,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 03:01:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 783 transitions. [2020-09-25 03:01:38,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 03:01:38,608 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:01:38,608 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:01:38,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:01:38,608 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:01:38,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:01:38,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1796257642, now seen corresponding path program 1 times [2020-09-25 03:01:38,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:01:38,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674949761] [2020-09-25 03:01:38,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:01:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:38,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:38,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:38,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:39,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:43,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:43,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 03:01:43,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:01:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 03:01:43,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 03:01:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 03:01:43,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-25 03:01:43,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:44,189 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:44,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:01:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:01:44,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-25 03:01:44,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 03:01:44,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:01:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:44,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:44,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:44,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:44,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:01:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:44,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:44,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:44,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:01:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:44,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:01:44,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:01:44,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:44,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:01:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:44,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:44,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:01:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:01:44,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:44,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:01:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:01:44,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:01:44,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 03:01:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:01:44,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 03:01:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:01:44,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:01:44,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 03:01:44,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:44,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:01:44,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:01:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 03:01:44,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:44,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:44,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:44,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 03:01:44,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:01:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:01:44,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:44,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:01:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:44,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:44,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 03:01:44,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:44,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:44,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:44,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:44,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:44,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 03:01:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:01:44,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:01:44,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:01:44,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:01:44,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:01:44,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:01:44,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:01:44,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:01:44,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:01:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:01:44,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:01:44,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:01:44,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674949761] [2020-09-25 03:01:44,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:01:44,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 03:01:44,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046077351] [2020-09-25 03:01:44,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 03:01:44,803 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:01:44,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 03:01:44,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 03:01:44,804 INFO L87 Difference]: Start difference. First operand 675 states and 783 transitions. Second operand 6 states. [2020-09-25 03:01:45,558 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:01:46,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:01:46,389 INFO L93 Difference]: Finished difference Result 905 states and 1100 transitions. [2020-09-25 03:01:46,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 03:01:46,389 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2020-09-25 03:01:46,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:01:46,390 INFO L225 Difference]: With dead ends: 905 [2020-09-25 03:01:46,391 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 03:01:46,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 03:01:46,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 03:01:46,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 03:01:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 03:01:46,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 03:01:46,395 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 03:01:46,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:01:46,396 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 03:01:46,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 03:01:46,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 03:01:46,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 03:01:46,396 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:01:46,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 03:01:46,563 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:01:46,735 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:46,904 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:47,286 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:01:47,666 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:01:47,955 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:01:48,321 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:01:48,618 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:01:48,783 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:48,962 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:49,125 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:49,295 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:49,409 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:01:49,575 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:49,737 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:49,911 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:50,064 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:50,219 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:50,378 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:50,535 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:50,692 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:50,845 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:51,007 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:51,164 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:51,355 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:51,510 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:51,817 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 03:01:52,122 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 03:01:52,429 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 03:01:52,569 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:01:52,737 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:52,891 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:53,045 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:53,202 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:53,360 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:53,518 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:53,675 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:53,828 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:53,985 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:54,144 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:54,301 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:54,459 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:54,616 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:54,773 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:54,928 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:55,080 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:55,237 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:55,395 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:55,554 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:55,671 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:01:55,829 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:55,986 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:56,143 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:56,296 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:56,453 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:56,605 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:56,972 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:01:57,312 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:01:57,571 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:01:57,913 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:01:58,172 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:01:58,325 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:58,484 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:58,642 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:58,808 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:58,965 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:59,124 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:59,281 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:59,399 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:01:59,513 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 10 [2020-09-25 03:01:59,670 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:01:59,827 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:01:59,985 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:00,143 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:00,250 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:02:00,408 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:00,689 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:00,948 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:01,209 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:01,549 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:01,888 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:02,228 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:02,488 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 03:02:02,829 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:03,174 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 03:02:03,334 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:03,492 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:03,647 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:03,808 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:03,980 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:04,138 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:04,292 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:04,449 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:04,602 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:04,710 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 10 [2020-09-25 03:02:04,867 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:05,024 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:05,178 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:05,331 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 03:02:05,489 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:05,651 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:02:06,143 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13 [2020-09-25 03:02:06,496 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-25 03:02:06,675 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-09-25 03:02:06,902 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 03:02:07,378 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 13