/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=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:00:46,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:00:46,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:00:47,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:00:47,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:00:47,033 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:00:47,035 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:00:47,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:00:47,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:00:47,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:00:47,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:00:47,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:00:47,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:00:47,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:00:47,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:00:47,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:00:47,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:00:47,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:00:47,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:00:47,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:00:47,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:00:47,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:00:47,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:00:47,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:00:47,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:00:47,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:00:47,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:00:47,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:00:47,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:00:47,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:00:47,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:00:47,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:00:47,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:00:47,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:00:47,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:00:47,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:00:47,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:00:47,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:00:47,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:00:47,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:00:47,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:00:47,092 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 12:00:47,141 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:00:47,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:00:47,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:00:47,144 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:00:47,144 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:00:47,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:00:47,144 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:00:47,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:00:47,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:00:47,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:00:47,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:00:47,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:00:47,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:00:47,147 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:00:47,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:00:47,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:00:47,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:00:47,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:00:47,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:00:47,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:00:47,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:00:47,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:00:47,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:00:47,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:00:47,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:00:47,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:00:47,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:00:47,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:00:47,150 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:00:47,150 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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true; [2020-09-25 12:00:47,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:00:47,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:00:47,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:00:47,601 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:00:47,601 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:00:47,602 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-09-25 12:00:47,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b2f734e42/ec1721d526f5419498aaa8ef3e9053da/FLAG91df24d2a [2020-09-25 12:00:48,280 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:00:48,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-09-25 12:00:48,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b2f734e42/ec1721d526f5419498aaa8ef3e9053da/FLAG91df24d2a [2020-09-25 12:00:48,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b2f734e42/ec1721d526f5419498aaa8ef3e9053da [2020-09-25 12:00:48,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:00:48,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:00:48,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:00:48,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:00:48,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:00:48,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:00:48" (1/1) ... [2020-09-25 12:00:48,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:48, skipping insertion in model container [2020-09-25 12:00:48,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:00:48" (1/1) ... [2020-09-25 12:00:48,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:00:48,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:00:49,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:00:49,144 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:00:49,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:00:49,267 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:00:49,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:49 WrapperNode [2020-09-25 12:00:49,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:00:49,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:00:49,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:00:49,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:00:49,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:49" (1/1) ... [2020-09-25 12:00:49,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:49" (1/1) ... [2020-09-25 12:00:49,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:49" (1/1) ... [2020-09-25 12:00:49,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:49" (1/1) ... [2020-09-25 12:00:49,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:49" (1/1) ... [2020-09-25 12:00:49,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:49" (1/1) ... [2020-09-25 12:00:49,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:49" (1/1) ... [2020-09-25 12:00:49,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:00:49,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:00:49,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:00:49,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:00:49,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:49" (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 12:00:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:00:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:00:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:00:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:00:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:00:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:00:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:00:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:00:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:00:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:00:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:00:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:00:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:00:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:00:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:00:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:00:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:00:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:00:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:00:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:00:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:00:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:00:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:00:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:00:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:00:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:00:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:00:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:00:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:00:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:00:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:00:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 12:00:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:00:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:00:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:00:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:00:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:00:49,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:00:49,496 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:00:49,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:00:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:00:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:00:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:00:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:00:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:00:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:00:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:00:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:00:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:00:49,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:00:49,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:00:49,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:00:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:00:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:00:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:00:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:00:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:00:49,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:00:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:00:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:00:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:00:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:00:49,500 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:00:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:00:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:00:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:00:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:00:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:00:49,501 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:00:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:00:49,502 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:00:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:00:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:00:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:00:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:00:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:00:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:00:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:00:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:00:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:00:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:00:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:00:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:00:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:00:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:00:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:00:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:00:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:00:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:00:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 12:00:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:00:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:00:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:00:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:00:50,675 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:00:50,675 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:00:50,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:00:50 BoogieIcfgContainer [2020-09-25 12:00:50,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:00:50,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:00:50,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:00:50,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:00:50,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:00:48" (1/3) ... [2020-09-25 12:00:50,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465b2407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:00:50, skipping insertion in model container [2020-09-25 12:00:50,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:49" (2/3) ... [2020-09-25 12:00:50,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@465b2407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:00:50, skipping insertion in model container [2020-09-25 12:00:50,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:00:50" (3/3) ... [2020-09-25 12:00:50,693 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2020-09-25 12:00:50,704 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:00:50,718 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:00:50,742 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:00:50,777 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:00:50,777 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:00:50,777 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:00:50,778 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:00:50,778 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:00:50,778 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:00:50,778 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:00:50,778 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:00:50,810 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states. [2020-09-25 12:00:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 12:00:50,828 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:50,829 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 12:00:50,830 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:50,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:50,838 INFO L82 PathProgramCache]: Analyzing trace with hash -814474831, now seen corresponding path program 1 times [2020-09-25 12:00:50,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:50,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687369601] [2020-09-25 12:00:50,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:51,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:51,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:53,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:54,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:54,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:56,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:56,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 12:00:56,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:00:56,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 12:00:56,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:56,255 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:00:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 12:00:56,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 12:00:56,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:00:56,677 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:56,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:56,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:57,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:57,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:57,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:57,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-09-25 12:00:57,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:57,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:57,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:57,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:57,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 12:00:57,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:57,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:57,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:57,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:57,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:57,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:57,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 12:00:57,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:57,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:57,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:57,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:57,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:57,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:57,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:57,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:57,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:00:57,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:57,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:57,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:57,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:57,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:57,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:57,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:57,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:57,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:57,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:57,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:00:57,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:57,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:57,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:57,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:57,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:57,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:57,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:57,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:57,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:57,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:57,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:57,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:57,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:57,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:57,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:57,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:57,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:57,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:57,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:57,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:57,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:57,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:57,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:57,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:00:57,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:57,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:57,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:57,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:57,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:57,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:57,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:57,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:57,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:57,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:57,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:57,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:57,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:57,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:57,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:57,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:00:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:57,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:57,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:57,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:57,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:57,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:57,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:57,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:57,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:57,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:57,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:57,331 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 12:00:57,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687369601] [2020-09-25 12:00:57,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:57,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 12:00:57,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002521749] [2020-09-25 12:00:57,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 12:00:57,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:57,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 12:00:57,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:00:57,382 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 5 states. [2020-09-25 12:00:58,039 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:59,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:59,742 INFO L93 Difference]: Finished difference Result 586 states and 709 transitions. [2020-09-25 12:00:59,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 12:00:59,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 12:00:59,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:59,771 INFO L225 Difference]: With dead ends: 586 [2020-09-25 12:00:59,771 INFO L226 Difference]: Without dead ends: 420 [2020-09-25 12:00:59,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 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 12:00:59,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2020-09-25 12:00:59,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 357. [2020-09-25 12:00:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-09-25 12:00:59,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 398 transitions. [2020-09-25 12:00:59,923 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 398 transitions. Word has length 148 [2020-09-25 12:00:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:59,925 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 398 transitions. [2020-09-25 12:00:59,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 12:00:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 398 transitions. [2020-09-25 12:00:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 12:00:59,939 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:59,939 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:00:59,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:00:59,940 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:59,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:59,940 INFO L82 PathProgramCache]: Analyzing trace with hash -38560683, now seen corresponding path program 1 times [2020-09-25 12:00:59,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:59,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [789239703] [2020-09-25 12:00:59,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:00,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:00,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:01,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:01,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:02,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 12:01:05,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:01:05,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 12:01:05,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:01:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 12:01:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-25 12:01:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:05,412 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:05,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:05,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:05,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:05,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 267 [2020-09-25 12:01:05,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 12:01:05,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:05,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:05,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:05,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:05,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:05,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:05,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:05,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:05,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:05,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:01:05,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:05,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:05,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:05,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:05,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:05,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:05,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:01:05,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:05,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:05,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:05,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:05,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:05,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:05,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:05,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:05,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:05,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:05,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:05,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:05,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:05,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:05,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:01:05,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:05,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:05,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:01:05,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:05,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 12:01:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:05,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:01:05,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:05,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:01:05,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 12:01:05,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:05,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:05,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:05,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:05,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:01:05,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:05,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:05,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:05,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:05,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:01:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:05,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:05,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:05,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:01:05,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:01:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:05,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:05,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:01:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:05,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:05,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:05,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:05,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:05,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:01:05,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:05,967 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:05,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:01:05,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:01:05,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:01:05,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:06,006 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 12:01:06,007 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [789239703] [2020-09-25 12:01:06,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:06,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:01:06,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764137105] [2020-09-25 12:01:06,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:01:06,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:06,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:01:06,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:01:06,013 INFO L87 Difference]: Start difference. First operand 357 states and 398 transitions. Second operand 10 states. [2020-09-25 12:01:06,613 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:07,980 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:08,381 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:01:08,838 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:09,295 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:01:09,688 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:10,294 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:10,636 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:11,050 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:11,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:11,984 INFO L93 Difference]: Finished difference Result 1034 states and 1306 transitions. [2020-09-25 12:01:11,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-25 12:01:11,985 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-09-25 12:01:11,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:12,006 INFO L225 Difference]: With dead ends: 1034 [2020-09-25 12:01:12,008 INFO L226 Difference]: Without dead ends: 757 [2020-09-25 12:01:12,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-25 12:01:12,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2020-09-25 12:01:12,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 546. [2020-09-25 12:01:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-09-25 12:01:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 617 transitions. [2020-09-25 12:01:12,162 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 617 transitions. Word has length 157 [2020-09-25 12:01:12,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:12,162 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 617 transitions. [2020-09-25 12:01:12,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:01:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 617 transitions. [2020-09-25 12:01:12,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 12:01:12,167 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:01:12,167 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, 1, 1] [2020-09-25 12:01:12,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:01:12,168 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:01:12,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:01:12,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1322428812, now seen corresponding path program 1 times [2020-09-25 12:01:12,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:01:12,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436954741] [2020-09-25 12:01:12,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:01:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:12,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:12,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:13,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:15,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:17,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:17,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 12:01:17,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:01:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 12:01:17,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:17,253 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:01:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 12:01:17,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-25 12:01:17,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:17,673 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:17,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:01:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:17,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:01:18,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:18,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-25 12:01:18,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:18,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:18,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 12:01:18,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:18,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:01:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:18,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:18,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:18,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:18,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:18,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:18,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:18,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:18,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:01:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:18,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:18,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:18,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:18,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:18,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:18,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:18,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:18,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:01:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:18,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:18,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:18,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:01:18,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:18,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:18,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:18,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:18,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:01:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:18,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:18,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:18,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:01:18,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:18,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:18,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:18,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:18,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:01:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:18,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:01:18,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:18,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:18,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:18,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:18,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:01:18,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:18,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:01:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:18,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:01:18,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:18,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:01:18,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:18,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:18,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:01:18,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:18,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:01:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:18,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:01:18,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:01:18,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:01:18,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:01:18,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:01:18,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:01:18,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:18,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:01:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:18,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:01:18,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:18,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:18,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:01:18,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:18,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:01:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:18,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:18,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:18,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:01:18,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:01:18,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:18,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:01:18,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 12:01:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:01:18,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:01:18,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:01:18,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:01:18,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:01:18,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:01:18,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:01:18,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:01:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:01:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:01:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:01:18,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:01:18,368 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 12:01:18,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436954741] [2020-09-25 12:01:18,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:01:18,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:01:18,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266330186] [2020-09-25 12:01:18,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:01:18,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:01:18,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:01:18,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:01:18,373 INFO L87 Difference]: Start difference. First operand 546 states and 617 transitions. Second operand 11 states. [2020-09-25 12:01:19,173 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:20,348 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:20,655 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:21,004 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:21,283 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:21,583 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:21,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:01:21,985 INFO L93 Difference]: Finished difference Result 935 states and 1125 transitions. [2020-09-25 12:01:21,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 12:01:21,986 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-09-25 12:01:21,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:01:21,987 INFO L225 Difference]: With dead ends: 935 [2020-09-25 12:01:21,987 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 12:01:21,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-09-25 12:01:21,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 12:01:21,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 12:01:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 12:01:21,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 12:01:21,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2020-09-25 12:01:21,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:01:21,994 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 12:01:21,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:01:21,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 12:01:21,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 12:01:21,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:01:21,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 12:01:22,209 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:22,389 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:22,551 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:22,717 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:22,896 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:23,067 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:23,232 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:23,382 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 6 [2020-09-25 12:01:23,545 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:23,718 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:23,883 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:24,034 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:24,200 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:24,368 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:24,518 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:24,672 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:24,832 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:24,989 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:25,143 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:25,289 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:01:25,443 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:25,599 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:25,753 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:25,904 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:26,064 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:26,222 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:26,370 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:26,528 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:26,681 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:26,843 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:26,997 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:27,152 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:27,314 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:27,464 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:27,627 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:27,781 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:27,941 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:28,090 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:28,252 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:28,410 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:28,573 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:28,839 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:28,998 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:29,147 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:29,311 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:29,474 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:29,629 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:29,778 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:29,935 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:30,092 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:30,255 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:30,419 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:30,581 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:31,040 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:01:31,285 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-09-25 12:01:31,566 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 12:01:31,898 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-09-25 12:01:32,262 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:01:32,538 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:01:32,807 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:01:33,179 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:01:33,424 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-09-25 12:01:33,686 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 12:01:33,953 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-25 12:01:34,224 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 12:01:34,462 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-09-25 12:01:34,740 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:01:35,109 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 12:01:35,280 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:35,387 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 12:01:35,549 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:35,656 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 6 [2020-09-25 12:01:35,813 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:35,976 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:36,138 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:36,291 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:36,440 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:36,604 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:36,768 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:36,964 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:37,075 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 6 [2020-09-25 12:01:37,255 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:37,422 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:37,575 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:37,726 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:37,885 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:38,044 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:38,199 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:01:38,363 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:38,527 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:38,684 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:38,833 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:01:38,986 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:01:39,148 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:01:39,606 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 12:01:39,849 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:01:40,185 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:01:40,519 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:01:40,875 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 12:01:41,154 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:01:41,420 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-25 12:01:41,788 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 194 [2020-09-25 12:01:42,033 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:01:42,382 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192