/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_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:44:07,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:44:07,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:44:07,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:44:07,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:44:07,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:44:07,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:44:07,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:44:07,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:44:07,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:44:07,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:44:07,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:44:07,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:44:07,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:44:07,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:44:07,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:44:07,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:44:07,333 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:44:07,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:44:07,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:44:07,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:44:07,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:44:07,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:44:07,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:44:07,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:44:07,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:44:07,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:44:07,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:44:07,346 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:44:07,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:44:07,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:44:07,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:44:07,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:44:07,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:44:07,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:44:07,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:44:07,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:44:07,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:44:07,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:44:07,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:44:07,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:44:07,355 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 08:44:07,380 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:44:07,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:44:07,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:44:07,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:44:07,382 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:44:07,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:44:07,382 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:44:07,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:44:07,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:44:07,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:44:07,383 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:44:07,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:44:07,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:44:07,384 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:44:07,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:44:07,384 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:44:07,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:44:07,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:44:07,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:44:07,385 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:44:07,386 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:44:07,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:44:07,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:44:07,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:44:07,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:44:07,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:44:07,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:44:07,387 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:44:07,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:44:07,388 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 08:44:07,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:44:07,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:44:07,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:44:07,893 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:44:07,894 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:44:07,895 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-09-25 08:44:07,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ec8c63ff6/c5578f32cb7c4d188980ff7b3f8acedb/FLAGb3a44340f [2020-09-25 08:44:08,685 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:44:08,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product19.cil.c [2020-09-25 08:44:08,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ec8c63ff6/c5578f32cb7c4d188980ff7b3f8acedb/FLAGb3a44340f [2020-09-25 08:44:08,905 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ec8c63ff6/c5578f32cb7c4d188980ff7b3f8acedb [2020-09-25 08:44:08,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:44:08,929 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:44:08,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:44:08,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:44:08,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:44:08,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:44:08" (1/1) ... [2020-09-25 08:44:08,944 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 08:44:08, skipping insertion in model container [2020-09-25 08:44:08,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:44:08" (1/1) ... [2020-09-25 08:44:08,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:44:09,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:44:09,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:44:09,417 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:44:09,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:44:09,675 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:44:09,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:09 WrapperNode [2020-09-25 08:44:09,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:44:09,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:44:09,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:44:09,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:44:09,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:09" (1/1) ... [2020-09-25 08:44:09,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:09" (1/1) ... [2020-09-25 08:44:09,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:09" (1/1) ... [2020-09-25 08:44:09,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:09" (1/1) ... [2020-09-25 08:44:09,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:09" (1/1) ... [2020-09-25 08:44:09,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:09" (1/1) ... [2020-09-25 08:44:09,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:09" (1/1) ... [2020-09-25 08:44:09,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:44:09,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:44:09,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:44:09,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:44:09,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:09" (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 08:44:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:44:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:44:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:44:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:44:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:44:09,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:44:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:44:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:44:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:44:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:44:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:44:09,872 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:44:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:44:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:44:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:44:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 08:44:09,873 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:44:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:44:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:44:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:44:09,874 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:44:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:44:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:44:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:44:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 08:44:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:44:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:44:09,875 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:44:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:44:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:44:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:44:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:44:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:44:09,876 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:44:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:44:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:44:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:44:09,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:44:09,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:44:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:44:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:44:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:44:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:44:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:44:09,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:44:09,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:44:09,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:44:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:44:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:44:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:44:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:44:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:44:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:44:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 08:44:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:44:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:44:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:44:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:44:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:44:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:44:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:44:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:44:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:44:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 08:44:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:44:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:44:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:44:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:44:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:44:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:44:09,884 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:44:09,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:44:09,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:44:10,949 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:44:10,950 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:44:10,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:44:10 BoogieIcfgContainer [2020-09-25 08:44:10,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:44:10,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:44:10,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:44:10,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:44:10,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:44:08" (1/3) ... [2020-09-25 08:44:10,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7875af67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:44:10, skipping insertion in model container [2020-09-25 08:44:10,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:44:09" (2/3) ... [2020-09-25 08:44:10,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7875af67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:44:10, skipping insertion in model container [2020-09-25 08:44:10,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:44:10" (3/3) ... [2020-09-25 08:44:10,967 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2020-09-25 08:44:10,978 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:44:10,991 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:44:11,013 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:44:11,045 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:44:11,045 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:44:11,045 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:44:11,045 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:44:11,045 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:44:11,045 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:44:11,045 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:44:11,046 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:44:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-09-25 08:44:11,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:44:11,088 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:44:11,090 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:44:11,091 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:44:11,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:44:11,099 INFO L82 PathProgramCache]: Analyzing trace with hash 2064914024, now seen corresponding path program 1 times [2020-09-25 08:44:11,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:44:11,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1993614159] [2020-09-25 08:44:11,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:44:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:11,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:11,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:13,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:14,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:16,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:16,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:44:16,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:44:16,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 08:44:16,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:16,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 08:44:16,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:16,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 08:44:16,890 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:16,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:44:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:16,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:17,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:17,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:44:17,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:17,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-09-25 08:44:17,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:17,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:17,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:17,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:17,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:17,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:44:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:17,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:17,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:17,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:17,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:17,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:44:17,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:17,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:17,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:44:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:44:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:17,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:17,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:17,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:17,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:17,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:44:17,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:17,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:17,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:44:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:17,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:17,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:17,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:17,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:17,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:44:17,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:17,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:17,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:17,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:17,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:44:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:17,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:17,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:17,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:17,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:44:17,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:17,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:17,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:17,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:17,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:17,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:44:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:17,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:17,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:17,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:17,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:17,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:44:17,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:17,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:17,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:44:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:17,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:17,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:17,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:17,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:17,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:17,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:17,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:17,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:17,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:17,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:44:17,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1993614159] [2020-09-25 08:44:17,241 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:44:17,241 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 08:44:17,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448903284] [2020-09-25 08:44:17,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 08:44:17,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:44:17,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 08:44:17,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:44:17,277 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 3 states. [2020-09-25 08:44:18,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:44:18,706 INFO L93 Difference]: Finished difference Result 427 states and 512 transitions. [2020-09-25 08:44:18,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 08:44:18,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 08:44:18,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:44:18,729 INFO L225 Difference]: With dead ends: 427 [2020-09-25 08:44:18,729 INFO L226 Difference]: Without dead ends: 271 [2020-09-25 08:44:18,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:44:18,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-25 08:44:18,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 230. [2020-09-25 08:44:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-09-25 08:44:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 249 transitions. [2020-09-25 08:44:18,930 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 249 transitions. Word has length 142 [2020-09-25 08:44:18,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:44:18,937 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 249 transitions. [2020-09-25 08:44:18,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 08:44:18,937 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 249 transitions. [2020-09-25 08:44:18,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 08:44:18,951 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:44:18,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:44:18,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:44:18,953 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:44:18,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:44:18,953 INFO L82 PathProgramCache]: Analyzing trace with hash -702523379, now seen corresponding path program 1 times [2020-09-25 08:44:18,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:44:18,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072560856] [2020-09-25 08:44:18,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:44:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:19,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:19,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:20,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:21,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:22,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:24,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:24,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 08:44:24,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:44:24,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 08:44:24,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:24,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:24,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:24,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:44:24,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:44:24,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:24,374 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:24,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:44:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:24,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:24,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:24,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:44:24,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:24,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 08:44:24,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:24,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:24,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:24,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:24,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:24,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:24,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:44:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:24,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:24,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:24,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:24,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:24,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:24,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:24,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:24,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:24,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:24,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:44:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:24,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:24,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:24,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:24,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:24,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:44:24,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:24,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:24,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:24,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:24,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:24,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:44:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:24,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:24,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:24,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:24,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:24,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:44:24,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:24,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:24,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:24,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:24,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:44:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:24,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:24,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:24,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:24,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:24,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:24,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:24,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:24,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:24,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:24,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:44:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:24,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:24,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:24,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:24,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:24,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:24,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:24,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:24,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:24,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:24,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:24,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:44:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:24,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:24,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:24,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:24,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:24,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:44:24,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:24,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:24,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:24,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:24,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:24,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:24,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:44:24,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072560856] [2020-09-25 08:44:24,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:44:24,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:44:24,614 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775874386] [2020-09-25 08:44:24,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:44:24,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:44:24,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:44:24,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:44:24,621 INFO L87 Difference]: Start difference. First operand 230 states and 249 transitions. Second operand 4 states. [2020-09-25 08:44:25,232 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:44:26,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:44:26,026 INFO L93 Difference]: Finished difference Result 338 states and 379 transitions. [2020-09-25 08:44:26,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:44:26,027 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 08:44:26,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:44:26,031 INFO L225 Difference]: With dead ends: 338 [2020-09-25 08:44:26,031 INFO L226 Difference]: Without dead ends: 254 [2020-09-25 08:44:26,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:44:26,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-25 08:44:26,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 220. [2020-09-25 08:44:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-09-25 08:44:26,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 236 transitions. [2020-09-25 08:44:26,071 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 236 transitions. Word has length 143 [2020-09-25 08:44:26,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:44:26,072 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 236 transitions. [2020-09-25 08:44:26,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:44:26,072 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 236 transitions. [2020-09-25 08:44:26,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 08:44:26,074 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:44:26,074 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:44:26,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:44:26,075 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:44:26,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:44:26,075 INFO L82 PathProgramCache]: Analyzing trace with hash -79704133, now seen corresponding path program 1 times [2020-09-25 08:44:26,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:44:26,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691594245] [2020-09-25 08:44:26,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:44:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:26,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:26,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:27,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:28,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:31,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:31,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 08:44:31,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:44:31,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 08:44:31,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:31,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:31,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:44:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 08:44:31,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 08:44:31,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:31,447 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:31,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:44:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:31,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:31,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:31,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:44:31,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:31,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 253 [2020-09-25 08:44:31,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:31,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:31,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:31,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:31,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 08:44:31,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:31,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:44:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:31,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:31,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:31,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:31,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:31,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:31,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:31,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:31,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:44:31,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:31,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:44:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:31,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:31,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:31,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:31,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:31,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:31,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:31,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:31,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:31,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:31,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:44:31,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:31,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:44:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:31,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:31,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:31,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:31,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:31,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:44:31,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:31,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:44:31,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:31,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:44:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:31,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:31,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:31,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:31,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:31,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:44:31,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:31,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:31,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:31,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:31,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:44:31,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:31,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:44:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:31,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:31,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:31,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:31,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:31,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:31,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:31,877 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:31,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:31,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:31,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:31,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:31,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 08:44:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:31,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:31,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:31,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:31,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:31,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:31,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:31,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:44:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:31,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:31,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:44:31,918 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691594245] [2020-09-25 08:44:31,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:44:31,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:44:31,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061566267] [2020-09-25 08:44:31,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:44:31,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:44:31,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:44:31,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:44:31,924 INFO L87 Difference]: Start difference. First operand 220 states and 236 transitions. Second operand 5 states. [2020-09-25 08:44:32,388 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:33,093 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:44:34,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:44:34,437 INFO L93 Difference]: Finished difference Result 567 states and 653 transitions. [2020-09-25 08:44:34,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:44:34,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 08:44:34,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:44:34,445 INFO L225 Difference]: With dead ends: 567 [2020-09-25 08:44:34,445 INFO L226 Difference]: Without dead ends: 457 [2020-09-25 08:44:34,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:44:34,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2020-09-25 08:44:34,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 394. [2020-09-25 08:44:34,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-09-25 08:44:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 440 transitions. [2020-09-25 08:44:34,525 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 440 transitions. Word has length 152 [2020-09-25 08:44:34,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:44:34,526 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 440 transitions. [2020-09-25 08:44:34,526 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:44:34,526 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 440 transitions. [2020-09-25 08:44:34,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:44:34,528 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:44:34,528 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:44:34,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:44:34,529 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:44:34,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:44:34,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1301194482, now seen corresponding path program 1 times [2020-09-25 08:44:34,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:44:34,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [309579117] [2020-09-25 08:44:34,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:44:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:34,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:35,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:35,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:36,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:39,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:39,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 08:44:39,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:44:39,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-25 08:44:39,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:39,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:44:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 08:44:39,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 08:44:39,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:44:39,974 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:39,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:44:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:39,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:40,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:40,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:44:40,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:40,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-25 08:44:40,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:40,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:40,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:40,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:40,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:40,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:44:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:40,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:40,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:40,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:40,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:40,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:44:40,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:40,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:40,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:40,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:44:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:40,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:40,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:40,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:40,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:40,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:44:40,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:40,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:40,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:40,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:40,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:44:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:40,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:40,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:40,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:40,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:40,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:40,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:40,171 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:40,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:40,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:40,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:44:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:40,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:40,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:40,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:40,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:40,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:40,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:40,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:40,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:40,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:44:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:40,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:40,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:40,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:40,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:44:40,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:44:40,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:44:40,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:40,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:40,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:44:40,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:44:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:44:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:40,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:44:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:40,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:40,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:40,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:40,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:40,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:44:40,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:40,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:44:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:40,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:40,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:40,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:40,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:40,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 08:44:40,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:40,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:40,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:40,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:44:40,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:44:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:40,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:40,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:40,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:40,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:40,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:44:40,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:40,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:40,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:44:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:40,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:44:40,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 08:44:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:44:40,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [309579117] [2020-09-25 08:44:40,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:44:40,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 08:44:40,342 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232538478] [2020-09-25 08:44:40,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 08:44:40,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:44:40,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 08:44:40,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 08:44:40,344 INFO L87 Difference]: Start difference. First operand 394 states and 440 transitions. Second operand 9 states. [2020-09-25 08:44:41,041 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:42,177 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:42,532 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:44:42,862 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:43,172 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:44:43,471 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:43,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:44:43,581 INFO L93 Difference]: Finished difference Result 630 states and 732 transitions. [2020-09-25 08:44:43,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 08:44:43,582 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-25 08:44:43,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:44:43,589 INFO L225 Difference]: With dead ends: 630 [2020-09-25 08:44:43,589 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:44:43,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 08:44:43,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:44:43,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:44:43,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:44:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:44:43,598 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2020-09-25 08:44:43,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:44:43,599 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:44:43,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 08:44:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:44:43,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:44:43,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:44:43,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:44:44,030 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:44,321 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:44,591 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:44,935 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:45,090 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:45,241 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:45,391 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:45,545 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:45,700 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:45,849 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:45,999 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:46,147 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:46,261 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 08:44:46,423 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:46,577 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:46,741 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:46,888 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:47,036 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:47,181 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:47,329 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:47,477 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:47,626 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:47,776 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:47,926 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:48,073 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:48,230 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:48,378 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:48,527 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:48,675 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:48,825 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:48,973 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:49,126 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:49,277 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:49,427 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:49,571 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:49,720 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:49,869 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:50,018 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:50,161 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:50,311 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:50,459 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:50,566 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 08:44:50,719 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:50,869 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:51,016 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:51,338 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:51,578 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:51,818 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2020-09-25 08:44:52,130 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:52,280 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:52,536 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:52,684 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:52,836 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:52,937 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 08:44:53,086 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:53,234 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:53,336 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 08:44:53,486 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:53,650 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:53,799 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:53,943 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:54,090 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:54,548 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-25 08:44:54,931 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 08:44:55,149 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:44:55,364 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:44:55,573 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-25 08:44:55,791 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:44:56,116 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:56,527 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 11 [2020-09-25 08:44:56,720 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 08:44:56,935 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 08:44:57,279 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 08:44:57,517 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-09-25 08:44:57,727 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:44:58,144 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 8 [2020-09-25 08:44:58,353 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1