/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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_spec5_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:48:19,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:48:19,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:48:19,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:48:19,934 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:48:19,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:48:19,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:48:19,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:48:19,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:48:19,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:48:19,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:48:19,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:48:19,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:48:19,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:48:19,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:48:19,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:48:19,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:48:19,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:48:19,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:48:19,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:48:19,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:48:19,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:48:19,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:48:19,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:48:19,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:48:19,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:48:19,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:48:19,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:48:19,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:48:19,969 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:48:19,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:48:19,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:48:19,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:48:19,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:48:19,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:48:19,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:48:19,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:48:19,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:48:19,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:48:19,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:48:19,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:48:19,978 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 08:48:20,024 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:48:20,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:48:20,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:48:20,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:48:20,027 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:48:20,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:48:20,027 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:48:20,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:48:20,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:48:20,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:48:20,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:48:20,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:48:20,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:48:20,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:48:20,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:48:20,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:48:20,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:48:20,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:48:20,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:48:20,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:48:20,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:48:20,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:48:20,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:48:20,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:48:20,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:48:20,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:48:20,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:48:20,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:48:20,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:48:20,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:48:20,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:48:20,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:48:20,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:48:20,533 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:48:20,534 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:48:20,535 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2020-09-25 08:48:20,618 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1959d6eda/5b7723ce15254d25b9cec0a4b507b37d/FLAGc954cc5a0 [2020-09-25 08:48:21,275 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:48:21,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product30.cil.c [2020-09-25 08:48:21,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1959d6eda/5b7723ce15254d25b9cec0a4b507b37d/FLAGc954cc5a0 [2020-09-25 08:48:21,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1959d6eda/5b7723ce15254d25b9cec0a4b507b37d [2020-09-25 08:48:21,492 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:48:21,497 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:48:21,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:48:21,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:48:21,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:48:21,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:48:21" (1/1) ... [2020-09-25 08:48:21,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:21, skipping insertion in model container [2020-09-25 08:48:21,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:48:21" (1/1) ... [2020-09-25 08:48:21,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:48:21,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:48:22,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:48:22,162 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:48:22,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:48:22,300 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:48:22,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:22 WrapperNode [2020-09-25 08:48:22,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:48:22,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:48:22,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:48:22,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:48:22,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:22" (1/1) ... [2020-09-25 08:48:22,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:22" (1/1) ... [2020-09-25 08:48:22,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:22" (1/1) ... [2020-09-25 08:48:22,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:22" (1/1) ... [2020-09-25 08:48:22,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:22" (1/1) ... [2020-09-25 08:48:22,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:22" (1/1) ... [2020-09-25 08:48:22,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:22" (1/1) ... [2020-09-25 08:48:22,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:48:22,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:48:22,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:48:22,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:48:22,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:48:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:48:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:48:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:48:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:48:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:48:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 08:48:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:48:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 08:48:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:48:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:48:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:48:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:48:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:48:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:48:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 08:48:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:48:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:48:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:48:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:48:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:48:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:48:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:48:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:48:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:48:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:48:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:48:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:48:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:48:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:48:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:48:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:48:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:48:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:48:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:48:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:48:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:48:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:48:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:48:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:48:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:48:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:48:22,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:48:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:48:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:48:22,516 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:48:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:48:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:48:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:48:22,517 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:48:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:48:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:48:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:48:22,518 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:48:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:48:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 08:48:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 08:48:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 08:48:22,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:48:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:48:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:48:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 08:48:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:48:22,520 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 08:48:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:48:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:48:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:48:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:48:22,521 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:48:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:48:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:48:22,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 08:48:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:48:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:48:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:48:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:48:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:48:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:48:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:48:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:48:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:48:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:48:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:48:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:48:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:48:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:48:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:48:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:48:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:48:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:48:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:48:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:48:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:48:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:48:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:48:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:48:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:48:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:48:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:48:23,882 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:48:23,882 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:48:23,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:48:23 BoogieIcfgContainer [2020-09-25 08:48:23,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:48:23,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:48:23,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:48:23,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:48:23,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:48:21" (1/3) ... [2020-09-25 08:48:23,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2486c02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:48:23, skipping insertion in model container [2020-09-25 08:48:23,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:48:22" (2/3) ... [2020-09-25 08:48:23,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2486c02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:48:23, skipping insertion in model container [2020-09-25 08:48:23,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:48:23" (3/3) ... [2020-09-25 08:48:23,910 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product30.cil.c [2020-09-25 08:48:23,924 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:48:23,938 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:48:23,963 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:48:24,000 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:48:24,000 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:48:24,000 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:48:24,000 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:48:24,001 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:48:24,002 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:48:24,002 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:48:24,002 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:48:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states. [2020-09-25 08:48:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:48:24,069 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:24,070 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:48:24,071 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:24,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:24,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1973737067, now seen corresponding path program 1 times [2020-09-25 08:48:24,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:24,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [623392734] [2020-09-25 08:48:24,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:24,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:24,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:26,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:26,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:29,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:29,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:29,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 08:48:29,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:48:29,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5116 [2020-09-25 08:48:29,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:29,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 08:48:29,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:29,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 08:48:30,133 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:30,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:30,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:30,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:30,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:30,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:30,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 08:48:30,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:30,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:30,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:30,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:30,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:30,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:30,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:30,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:30,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:30,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:30,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:30,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:30,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:30,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:30,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:30,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:30,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:30,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:30,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:30,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:30,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:30,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:30,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:30,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:30,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:30,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:30,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:30,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:30,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:30,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:30,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:30,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:48:30,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:30,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:30,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:30,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:30,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:30,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:30,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:30,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:30,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:30,385 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:30,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:30,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:30,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:30,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:30,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:30,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:30,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:30,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:30,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:30,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:30,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:30,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:30,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:30,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:48:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:30,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:30,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:30,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:30,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:30,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:30,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:30,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:48:30,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:30,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:30,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:30,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:30,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:30,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:30,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:30,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:30,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:30,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:30,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 08:48:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:30,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:30,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:30,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:30,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:30,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:30,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:30,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:30,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:30,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:30,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:30,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 08:48:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:30,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:30,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:30,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:30,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:30,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:30,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:30,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:30,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:30,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:30,476 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:48:30,477 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [623392734] [2020-09-25 08:48:30,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:30,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:48:30,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206027771] [2020-09-25 08:48:30,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:48:30,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:30,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:48:30,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:48:30,510 INFO L87 Difference]: Start difference. First operand 327 states. Second operand 4 states. [2020-09-25 08:48:31,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:31,954 INFO L93 Difference]: Finished difference Result 493 states and 579 transitions. [2020-09-25 08:48:31,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 08:48:31,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-25 08:48:31,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:31,982 INFO L225 Difference]: With dead ends: 493 [2020-09-25 08:48:31,983 INFO L226 Difference]: Without dead ends: 312 [2020-09-25 08:48:31,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:48:32,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-25 08:48:32,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 266. [2020-09-25 08:48:32,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-09-25 08:48:32,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 289 transitions. [2020-09-25 08:48:32,201 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 289 transitions. Word has length 160 [2020-09-25 08:48:32,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:32,205 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 289 transitions. [2020-09-25 08:48:32,205 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:48:32,205 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 289 transitions. [2020-09-25 08:48:32,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 08:48:32,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:32,221 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:48:32,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:48:32,222 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:32,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:32,222 INFO L82 PathProgramCache]: Analyzing trace with hash 221225725, now seen corresponding path program 1 times [2020-09-25 08:48:32,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:32,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797759850] [2020-09-25 08:48:32,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:32,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:32,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:34,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:34,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:35,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-25 08:48:37,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:48:37,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 08:48:37,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 08:48:37,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:48:37,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:37,633 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:37,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:37,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:37,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:37,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-09-25 08:48:37,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:37,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:37,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:37,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:37,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:37,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:37,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:37,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:37,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:37,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:48:37,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:37,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:37,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:37,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:37,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:37,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:37,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:37,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:37,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:37,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:37,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:37,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:37,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:37,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:37,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:48:37,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:37,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:37,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:37,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:37,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:37,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:37,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:37,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:37,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:37,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:37,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:37,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:37,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:37,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:37,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:37,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:48:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:37,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:37,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:37,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:37,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:37,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 08:48:37,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:37,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:37,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:37,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:37,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:37,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:37,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:37,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:37,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:37,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:37,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:48:37,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:37,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:37,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:37,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:37,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:37,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:37,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:37,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:48:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:37,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:37,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:37,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:37,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:37,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:37,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:37,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:37,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:37,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:37,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:48:37,923 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797759850] [2020-09-25 08:48:37,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:37,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:48:37,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426496776] [2020-09-25 08:48:37,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:48:37,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:37,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:48:37,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:48:37,928 INFO L87 Difference]: Start difference. First operand 266 states and 289 transitions. Second operand 5 states. [2020-09-25 08:48:38,572 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:48:39,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:39,544 INFO L93 Difference]: Finished difference Result 418 states and 471 transitions. [2020-09-25 08:48:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:48:39,546 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-25 08:48:39,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:39,553 INFO L225 Difference]: With dead ends: 418 [2020-09-25 08:48:39,554 INFO L226 Difference]: Without dead ends: 301 [2020-09-25 08:48:39,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 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 08:48:39,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-25 08:48:39,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 256. [2020-09-25 08:48:39,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-09-25 08:48:39,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 276 transitions. [2020-09-25 08:48:39,604 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 276 transitions. Word has length 161 [2020-09-25 08:48:39,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:39,605 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 276 transitions. [2020-09-25 08:48:39,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:48:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 276 transitions. [2020-09-25 08:48:39,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-25 08:48:39,609 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:39,609 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:48:39,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:48:39,609 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:39,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:39,610 INFO L82 PathProgramCache]: Analyzing trace with hash 782776406, now seen corresponding path program 1 times [2020-09-25 08:48:39,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:39,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762138899] [2020-09-25 08:48:39,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:39,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:39,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:40,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:42,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:44,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:44,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-25 08:48:44,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:48:44,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 08:48:44,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:44,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 08:48:44,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,004 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:45,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:45,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 108 [2020-09-25 08:48:45,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:45,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:45,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:45,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:45,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:45,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:45,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:45,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:45,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:45,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:45,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:45,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:45,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:45,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:45,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:45,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:45,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:45,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:45,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:45,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:45,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:45,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:45,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:48:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:45,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:48:45,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:45,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 08:48:45,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:48:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:45,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:48:45,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:45,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 08:48:45,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:48:45,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:45,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:45,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,254 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:45,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:45,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:45,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-25 08:48:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:45,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:45,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:45,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:45,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-25 08:48:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:45,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:45,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:45,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:45,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:45,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:45,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:45,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:48:45,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:45,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:45,305 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 08:48:45,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [762138899] [2020-09-25 08:48:45,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:45,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 08:48:45,306 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154559701] [2020-09-25 08:48:45,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 08:48:45,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:45,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 08:48:45,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 08:48:45,309 INFO L87 Difference]: Start difference. First operand 256 states and 276 transitions. Second operand 6 states. [2020-09-25 08:48:45,941 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:47,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:47,194 INFO L93 Difference]: Finished difference Result 465 states and 536 transitions. [2020-09-25 08:48:47,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 08:48:47,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2020-09-25 08:48:47,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:47,198 INFO L225 Difference]: With dead ends: 465 [2020-09-25 08:48:47,198 INFO L226 Difference]: Without dead ends: 324 [2020-09-25 08:48:47,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:48:47,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-09-25 08:48:47,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 256. [2020-09-25 08:48:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-09-25 08:48:47,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 275 transitions. [2020-09-25 08:48:47,263 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 275 transitions. Word has length 174 [2020-09-25 08:48:47,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:47,266 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 275 transitions. [2020-09-25 08:48:47,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 08:48:47,266 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 275 transitions. [2020-09-25 08:48:47,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-25 08:48:47,269 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:48:47,270 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:48:47,270 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:48:47,270 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:48:47,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:48:47,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1923836799, now seen corresponding path program 1 times [2020-09-25 08:48:47,271 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:48:47,271 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402706486] [2020-09-25 08:48:47,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:48:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:47,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:47,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:48,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:48,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:51,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:52,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:52,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-09-25 08:48:52,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:48:52,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 08:48:52,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:52,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:52,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 08:48:52,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-25 08:48:52,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-25 08:48:52,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:52,781 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:52,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:52,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:52,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:52,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 08:48:52,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:52,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 08:48:52,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:52,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:52,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:52,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:52,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:52,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:52,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 08:48:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:52,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:52,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:52,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:52,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:52,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:52,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:52,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:52,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:52,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:52,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:52,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 08:48:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:52,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:52,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:52,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:52,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:52,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:52,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:52,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:52,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:52,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:52,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:52,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:52,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 08:48:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:52,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:52,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:52,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:52,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:52,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:48:52,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:52,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:52,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:52,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:52,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:52,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 08:48:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:52,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:52,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:52,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:52,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:52,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:52,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:52,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:52,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:52,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:52,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:53,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 08:48:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:53,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:53,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:53,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:53,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:53,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:53,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:53,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:53,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 08:48:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:53,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:53,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 08:48:53,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:53,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:53,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:53,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:53,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:53,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:53,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:53,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 08:48:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:53,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:53,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 08:48:53,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:53,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:48:53,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:53,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:53,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:53,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:53,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:48:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:53,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:53,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:53,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:53,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:48:53,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:53,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:53,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:48:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:53,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:48:53,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:53,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:48:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:53,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:53,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 08:48:53,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:48:53,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 08:48:53,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:53,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 08:48:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:53,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:48:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:53,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:53,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:48:53,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:53,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:48:53,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:53,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:53,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:53,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:53,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:48:53,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:53,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:48:53,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:53,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:53,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:48:53,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:53,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:48:53,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:53,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:53,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:53,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:48:53,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:48:53,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 08:48:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:53,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:53,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:53,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:53,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:48:53,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:53,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:53,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:48:53,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:53,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:48:53,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:53,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 08:48:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:48:53,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:48:53,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:48:53,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:48:53,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:48:53,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:48:53,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:48:53,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:48:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:48:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:48:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:48:53,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:48:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 08:48:53,300 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402706486] [2020-09-25 08:48:53,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:48:53,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 08:48:53,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963137505] [2020-09-25 08:48:53,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 08:48:53,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:48:53,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 08:48:53,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 08:48:53,305 INFO L87 Difference]: Start difference. First operand 256 states and 275 transitions. Second operand 11 states. [2020-09-25 08:48:54,119 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 08:48:55,346 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 08:48:55,896 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 08:48:56,825 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:57,099 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 08:48:57,399 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:57,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:48:57,452 INFO L93 Difference]: Finished difference Result 403 states and 467 transitions. [2020-09-25 08:48:57,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 08:48:57,453 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 187 [2020-09-25 08:48:57,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:48:57,454 INFO L225 Difference]: With dead ends: 403 [2020-09-25 08:48:57,454 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:48:57,457 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2020-09-25 08:48:57,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:48:57,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:48:57,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:48:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:48:57,458 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2020-09-25 08:48:57,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:48:57,458 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:48:57,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 08:48:57,459 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:48:57,459 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:48:57,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:48:57,462 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:48:57,729 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 12 [2020-09-25 08:48:57,914 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:58,080 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:58,252 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:58,426 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:58,629 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:58,800 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:58,966 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:59,130 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:59,288 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:59,446 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:59,609 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:48:59,754 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:48:59,908 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:00,065 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:00,224 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:00,380 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:00,534 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:00,689 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:00,842 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:00,996 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:01,150 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:01,302 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:01,461 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:01,616 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:01,769 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:01,923 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:02,076 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:02,235 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:02,389 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:02,543 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:02,697 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:02,853 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:03,011 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 12 [2020-09-25 08:49:03,168 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:03,331 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:03,485 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:03,640 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:03,798 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:03,965 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:04,122 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:04,334 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 12 [2020-09-25 08:49:04,549 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 12 [2020-09-25 08:49:04,769 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 12 [2020-09-25 08:49:04,927 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:05,096 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:05,256 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 08:49:05,524 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-25 08:49:05,749 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 08:49:06,046 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-25 08:49:06,260 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-25 08:49:06,529 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:49:06,748 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 08:49:06,982 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-25 08:49:07,172 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-25 08:49:07,337 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-25 08:49:07,520 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-25 08:49:07,750 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-25 08:49:07,979 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23