/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=0.8 --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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 07:35:16,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 07:35:16,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 07:35:16,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 07:35:16,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 07:35:16,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 07:35:16,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 07:35:16,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 07:35:16,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 07:35:16,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 07:35:16,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 07:35:16,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 07:35:16,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 07:35:16,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 07:35:16,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 07:35:16,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 07:35:16,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 07:35:16,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 07:35:16,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 07:35:16,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 07:35:16,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 07:35:16,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 07:35:16,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 07:35:16,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 07:35:16,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 07:35:16,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 07:35:16,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 07:35:16,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 07:35:16,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 07:35:16,391 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 07:35:16,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 07:35:16,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 07:35:16,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 07:35:16,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 07:35:16,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 07:35:16,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 07:35:16,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 07:35:16,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 07:35:16,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 07:35:16,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 07:35:16,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 07:35:16,403 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 07:35:16,452 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 07:35:16,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 07:35:16,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 07:35:16,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 07:35:16,455 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 07:35:16,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 07:35:16,455 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 07:35:16,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 07:35:16,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 07:35:16,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 07:35:16,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 07:35:16,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 07:35:16,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 07:35:16,458 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 07:35:16,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 07:35:16,458 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 07:35:16,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 07:35:16,459 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 07:35:16,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 07:35:16,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 07:35:16,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 07:35:16,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 07:35:16,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 07:35:16,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 07:35:16,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 07:35:16,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 07:35:16,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 07:35:16,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 07:35:16,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 07:35:16,461 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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;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=0.8;log-additional-information=true; [2020-09-25 07:35:16,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 07:35:16,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 07:35:16,961 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 07:35:16,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 07:35:16,963 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 07:35:16,964 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2020-09-25 07:35:17,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c7ebf8d1/abc48293fae8480f80ca3e6f0daf737a/FLAG8b0df4a42 [2020-09-25 07:35:17,664 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 07:35:17,665 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2020-09-25 07:35:17,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c7ebf8d1/abc48293fae8480f80ca3e6f0daf737a/FLAG8b0df4a42 [2020-09-25 07:35:17,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c7ebf8d1/abc48293fae8480f80ca3e6f0daf737a [2020-09-25 07:35:17,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 07:35:17,962 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 07:35:17,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 07:35:17,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 07:35:17,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 07:35:17,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:35:17" (1/1) ... [2020-09-25 07:35:17,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cfafcce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:17, skipping insertion in model container [2020-09-25 07:35:17,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 07:35:17" (1/1) ... [2020-09-25 07:35:17,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 07:35:18,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 07:35:18,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:35:18,523 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 07:35:18,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 07:35:18,704 INFO L208 MainTranslator]: Completed translation [2020-09-25 07:35:18,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18 WrapperNode [2020-09-25 07:35:18,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 07:35:18,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 07:35:18,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 07:35:18,706 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 07:35:18,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (1/1) ... [2020-09-25 07:35:18,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 07:35:18,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 07:35:18,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 07:35:18,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 07:35:18,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (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 07:35:18,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 07:35:18,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 07:35:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 07:35:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 07:35:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 07:35:18,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 07:35:18,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 07:35:18,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 07:35:18,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 07:35:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 07:35:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 07:35:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 07:35:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 07:35:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 07:35:18,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 07:35:18,898 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 07:35:18,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 07:35:18,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 07:35:18,898 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 07:35:18,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 07:35:18,899 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 07:35:18,900 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 07:35:18,900 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 07:35:18,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 07:35:18,900 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 07:35:18,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 07:35:18,901 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 07:35:18,901 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 07:35:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 07:35:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 07:35:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 07:35:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 07:35:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 07:35:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 07:35:18,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 07:35:18,903 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 07:35:18,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 07:35:18,903 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 07:35:18,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 07:35:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 07:35:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 07:35:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 07:35:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 07:35:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 07:35:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 07:35:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 07:35:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 07:35:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 07:35:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 07:35:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 07:35:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 07:35:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 07:35:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 07:35:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 07:35:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 07:35:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 07:35:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 07:35:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 07:35:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 07:35:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 07:35:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 07:35:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 07:35:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 07:35:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 07:35:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 07:35:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 07:35:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 07:35:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 07:35:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 07:35:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 07:35:18,910 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 07:35:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 07:35:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 07:35:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 07:35:18,912 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 07:35:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 07:35:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 07:35:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 07:35:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 07:35:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 07:35:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 07:35:18,913 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 07:35:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 07:35:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 07:35:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 07:35:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 07:35:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 07:35:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 07:35:18,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 07:35:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 07:35:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 07:35:18,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 07:35:20,185 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 07:35:20,186 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 07:35:20,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:35:20 BoogieIcfgContainer [2020-09-25 07:35:20,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 07:35:20,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 07:35:20,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 07:35:20,199 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 07:35:20,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 07:35:17" (1/3) ... [2020-09-25 07:35:20,200 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d83c563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:35:20, skipping insertion in model container [2020-09-25 07:35:20,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 07:35:18" (2/3) ... [2020-09-25 07:35:20,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d83c563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 07:35:20, skipping insertion in model container [2020-09-25 07:35:20,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 07:35:20" (3/3) ... [2020-09-25 07:35:20,204 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2020-09-25 07:35:20,217 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 07:35:20,232 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 07:35:20,253 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 07:35:20,286 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 07:35:20,286 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 07:35:20,286 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 07:35:20,286 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 07:35:20,286 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 07:35:20,286 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 07:35:20,286 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 07:35:20,287 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 07:35:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states. [2020-09-25 07:35:20,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 07:35:20,335 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:20,337 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 07:35:20,337 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:20,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:20,344 INFO L82 PathProgramCache]: Analyzing trace with hash 511028723, now seen corresponding path program 1 times [2020-09-25 07:35:20,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:20,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [379233075] [2020-09-25 07:35:20,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:20,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:21,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:22,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:25,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:25,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 07:35:25,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:35:25,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 07:35:25,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:25,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:25,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:25,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 07:35:25,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:25,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 07:35:26,263 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:26,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:26,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-25 07:35:26,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:26,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:26,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:26,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:26,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 07:35:26,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:26,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:26,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:26,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:26,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:35:26,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:26,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:26,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:26,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:26,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 07:35:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:26,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:26,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,568 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:26,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:35:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:26,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:26,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:26,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:26,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:26,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:26,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:26,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:26,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:26,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:26,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:26,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:26,618 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 07:35:26,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [379233075] [2020-09-25 07:35:26,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:26,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 07:35:26,623 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011772439] [2020-09-25 07:35:26,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 07:35:26,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:26,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 07:35:26,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:35:26,659 INFO L87 Difference]: Start difference. First operand 306 states. Second operand 3 states. [2020-09-25 07:35:28,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:28,411 INFO L93 Difference]: Finished difference Result 479 states and 573 transitions. [2020-09-25 07:35:28,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 07:35:28,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 07:35:28,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:28,441 INFO L225 Difference]: With dead ends: 479 [2020-09-25 07:35:28,441 INFO L226 Difference]: Without dead ends: 298 [2020-09-25 07:35:28,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 07:35:28,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-09-25 07:35:28,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 255. [2020-09-25 07:35:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-09-25 07:35:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 278 transitions. [2020-09-25 07:35:28,663 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 278 transitions. Word has length 142 [2020-09-25 07:35:28,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:28,664 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 278 transitions. [2020-09-25 07:35:28,664 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 07:35:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 278 transitions. [2020-09-25 07:35:28,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 07:35:28,683 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:28,684 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 07:35:28,684 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 07:35:28,684 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:28,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:28,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1875946338, now seen corresponding path program 1 times [2020-09-25 07:35:28,686 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:28,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884372809] [2020-09-25 07:35:28,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:28,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:28,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:30,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:31,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:32,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:33,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:33,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 07:35:33,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 07:35:33,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-09-25 07:35:33,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:33,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:33,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 07:35:33,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 07:35:33,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,155 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:34,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:34,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-09-25 07:35:34,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:34,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:34,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:34,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:34,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:34,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:34,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,313 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:34,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 07:35:34,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:34,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:34,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:34,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:34,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 07:35:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:34,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:34,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 07:35:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:34,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:34,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:34,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:34,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:34,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:34,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:34,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:34,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:34,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:34,370 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 07:35:34,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884372809] [2020-09-25 07:35:34,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:34,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 07:35:34,374 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036337410] [2020-09-25 07:35:34,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 07:35:34,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:34,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 07:35:34,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 07:35:34,378 INFO L87 Difference]: Start difference. First operand 255 states and 278 transitions. Second operand 4 states. [2020-09-25 07:35:34,966 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:35:35,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:35,988 INFO L93 Difference]: Finished difference Result 390 states and 440 transitions. [2020-09-25 07:35:35,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 07:35:35,989 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 07:35:35,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:35,996 INFO L225 Difference]: With dead ends: 390 [2020-09-25 07:35:35,996 INFO L226 Difference]: Without dead ends: 281 [2020-09-25 07:35:35,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:35:35,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2020-09-25 07:35:36,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 245. [2020-09-25 07:35:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-09-25 07:35:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 265 transitions. [2020-09-25 07:35:36,039 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 265 transitions. Word has length 143 [2020-09-25 07:35:36,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:36,040 INFO L479 AbstractCegarLoop]: Abstraction has 245 states and 265 transitions. [2020-09-25 07:35:36,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 07:35:36,041 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 265 transitions. [2020-09-25 07:35:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 07:35:36,043 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:36,043 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 07:35:36,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 07:35:36,043 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:36,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:36,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1523136561, now seen corresponding path program 1 times [2020-09-25 07:35:36,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:36,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963735035] [2020-09-25 07:35:36,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:36,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:36,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:37,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:38,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 07:35:41,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:35:41,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 07:35:41,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:35:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 07:35:41,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 07:35:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,520 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:41,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:41,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 07:35:41,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:41,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 07:35:41,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:41,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:41,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:35:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:41,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:41,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:35:41,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:41,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:41,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 07:35:41,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:41,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:35:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:41,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 07:35:41,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:41,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:41,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 07:35:41,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 07:35:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:41,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:41,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:41,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:41,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 07:35:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:41,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:41,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:41,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:41,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:41,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:41,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:41,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 07:35:41,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:41,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:41,944 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 07:35:41,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963735035] [2020-09-25 07:35:41,945 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:41,946 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 07:35:41,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082771551] [2020-09-25 07:35:41,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 07:35:41,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:41,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 07:35:41,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 07:35:41,951 INFO L87 Difference]: Start difference. First operand 245 states and 265 transitions. Second operand 5 states. [2020-09-25 07:35:42,379 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:43,089 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 07:35:44,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:44,854 INFO L93 Difference]: Finished difference Result 646 states and 746 transitions. [2020-09-25 07:35:44,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 07:35:44,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 07:35:44,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:44,860 INFO L225 Difference]: With dead ends: 646 [2020-09-25 07:35:44,860 INFO L226 Difference]: Without dead ends: 511 [2020-09-25 07:35:44,862 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 07:35:44,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-09-25 07:35:44,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 444. [2020-09-25 07:35:44,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-09-25 07:35:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 498 transitions. [2020-09-25 07:35:44,977 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 498 transitions. Word has length 152 [2020-09-25 07:35:44,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:44,977 INFO L479 AbstractCegarLoop]: Abstraction has 444 states and 498 transitions. [2020-09-25 07:35:44,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 07:35:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 498 transitions. [2020-09-25 07:35:44,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 07:35:44,980 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 07:35:44,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 07:35:44,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 07:35:44,981 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 07:35:44,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 07:35:44,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1785757749, now seen corresponding path program 1 times [2020-09-25 07:35:44,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 07:35:44,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397336000] [2020-09-25 07:35:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 07:35:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:45,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:45,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:46,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:48,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:50,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:50,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 07:35:50,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 07:35:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 07:35:50,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:50,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 07:35:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 07:35:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 07:35:50,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:50,345 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:50,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 07:35:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:50,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:50,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:50,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 07:35:50,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:50,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 07:35:50,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:50,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:50,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:50,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:50,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:50,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:50,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 07:35:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:50,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:50,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:50,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:50,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 07:35:50,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:50,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:50,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:50,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:35:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 07:35:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:50,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:50,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:50,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:50,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:50,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:50,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:50,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:50,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:50,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:50,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:50,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 07:35:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:50,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:50,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:50,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:50,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:50,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:50,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:50,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:50,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 07:35:50,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 07:35:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:50,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:50,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:50,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 07:35:50,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 07:35:50,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:50,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 07:35:50,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 07:35:50,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:50,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 07:35:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:50,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:50,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:50,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 07:35:50,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:50,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:35:50,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:50,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:50,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:50,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 07:35:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:50,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 07:35:50,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:50,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:50,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:50,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:50,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:50,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 07:35:50,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:50,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:50,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 07:35:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:50,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:35:50,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:50,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 07:35:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 07:35:50,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 07:35:50,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 07:35:50,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 07:35:50,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 07:35:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 07:35:50,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 07:35:50,571 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.8 [2020-09-25 07:35:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 07:35:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 07:35:50,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 07:35:50,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 07:35:50,624 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 07:35:50,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397336000] [2020-09-25 07:35:50,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 07:35:50,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 07:35:50,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516547212] [2020-09-25 07:35:50,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 07:35:50,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 07:35:50,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 07:35:50,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 07:35:50,628 INFO L87 Difference]: Start difference. First operand 444 states and 498 transitions. Second operand 9 states. [2020-09-25 07:35:51,347 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:52,518 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:52,824 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:35:53,152 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:53,472 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 07:35:53,794 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 07:35:54,009 INFO L93 Difference]: Finished difference Result 690 states and 804 transitions. [2020-09-25 07:35:54,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 07:35:54,010 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 07:35:54,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 07:35:54,012 INFO L225 Difference]: With dead ends: 690 [2020-09-25 07:35:54,012 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 07:35:54,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 07:35:54,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 07:35:54,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 07:35:54,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 07:35:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 07:35:54,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 07:35:54,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 07:35:54,017 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 07:35:54,017 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 07:35:54,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 07:35:54,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 07:35:54,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 07:35:54,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 07:35:54,207 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,370 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,530 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,653 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 6 [2020-09-25 07:35:54,818 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:54,974 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:55,141 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:55,298 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:55,455 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:55,612 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:55,775 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:56,105 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:35:56,433 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:35:56,764 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:35:57,002 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2020-09-25 07:35:57,152 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:57,301 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:57,445 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:57,594 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:57,732 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 07:35:57,880 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,026 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:58,174 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,323 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,475 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,626 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,774 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:58,925 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:59,073 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:59,217 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:59,366 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:59,514 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:59,662 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:35:59,809 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:35:59,959 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:00,107 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:00,251 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:00,400 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:00,549 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:00,895 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:01,039 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:01,193 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:01,341 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:01,491 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:01,640 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:01,784 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:01,934 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:02,083 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:02,227 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:02,571 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:36:02,889 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:36:03,202 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:36:03,513 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 07:36:03,761 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:03,923 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:04,178 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:04,335 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:04,488 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:04,638 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:04,798 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:04,941 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 07:36:05,090 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:05,238 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 07:36:05,696 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 07:36:05,868 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 07:36:06,077 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1