/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:00:05,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:00:05,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:00:05,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:00:05,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:00:05,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:00:05,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:00:05,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:00:05,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:00:05,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:00:05,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:00:05,788 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:00:05,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:00:05,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:00:05,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:00:05,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:00:05,792 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:00:05,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:00:05,795 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:00:05,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:00:05,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:00:05,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:00:05,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:00:05,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:00:05,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:00:05,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:00:05,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:00:05,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:00:05,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:00:05,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:00:05,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:00:05,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:00:05,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:00:05,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:00:05,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:00:05,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:00:05,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:00:05,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:00:05,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:00:05,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:00:05,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:00:05,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 12:00:05,887 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:00:05,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:00:05,889 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:00:05,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:00:05,889 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:00:05,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:00:05,891 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:00:05,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:00:05,891 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:00:05,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:00:05,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:00:05,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:00:05,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:00:05,893 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:00:05,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:00:05,894 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:00:05,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:00:05,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:00:05,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:00:05,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:00:05,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:00:05,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:00:05,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:00:05,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:00:05,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:00:05,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:00:05,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:00:05,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:00:05,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:00:05,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:00:06,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:00:06,411 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:00:06,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:00:06,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:00:06,420 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:00:06,421 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2020-09-25 12:00:06,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac5ffdeda/f17dc460fe054a0d9ba0e4f8611697c2/FLAG2f0180aa0 [2020-09-25 12:00:07,084 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:00:07,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product15.cil.c [2020-09-25 12:00:07,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac5ffdeda/f17dc460fe054a0d9ba0e4f8611697c2/FLAG2f0180aa0 [2020-09-25 12:00:07,366 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac5ffdeda/f17dc460fe054a0d9ba0e4f8611697c2 [2020-09-25 12:00:07,378 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:00:07,384 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:00:07,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:00:07,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:00:07,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:00:07,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:00:07" (1/1) ... [2020-09-25 12:00:07,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:07, skipping insertion in model container [2020-09-25 12:00:07,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:00:07" (1/1) ... [2020-09-25 12:00:07,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:00:07,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:00:07,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:00:07,830 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:00:08,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:00:08,047 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:00:08,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:08 WrapperNode [2020-09-25 12:00:08,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:00:08,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:00:08,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:00:08,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:00:08,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:08" (1/1) ... [2020-09-25 12:00:08,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:08" (1/1) ... [2020-09-25 12:00:08,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:08" (1/1) ... [2020-09-25 12:00:08,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:08" (1/1) ... [2020-09-25 12:00:08,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:08" (1/1) ... [2020-09-25 12:00:08,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:08" (1/1) ... [2020-09-25 12:00:08,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:08" (1/1) ... [2020-09-25 12:00:08,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:00:08,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:00:08,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:00:08,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:00:08,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:00:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:00:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:00:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:00:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:00:08,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 12:00:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:00:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 12:00:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:00:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:00:08,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:00:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:00:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:00:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:00:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:00:08,240 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:00:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:00:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:00:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:00:08,241 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:00:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:00:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:00:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:00:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:00:08,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:00:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:00:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:00:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:00:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:00:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:00:08,243 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:00:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:00:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:00:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:00:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:00:08,244 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:00:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:00:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:00:08,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:00:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:00:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:00:08,245 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:00:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:00:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:00:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:00:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:00:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:00:08,246 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:00:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:00:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:00:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:00:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 12:00:08,247 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:00:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 12:00:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:00:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 12:00:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:00:08,248 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:00:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:00:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:00:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:00:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:00:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:00:08,249 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:00:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:00:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:00:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:00:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:00:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:00:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:00:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:00:08,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:00:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:00:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:00:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:00:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:00:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:00:08,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:00:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:00:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:00:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:00:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:00:08,254 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:00:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 12:00:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:00:08,255 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:00:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:00:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:00:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:00:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:00:08,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:00:09,346 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:00:09,346 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:00:09,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:00:09 BoogieIcfgContainer [2020-09-25 12:00:09,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:00:09,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:00:09,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:00:09,359 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:00:09,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:00:07" (1/3) ... [2020-09-25 12:00:09,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148e81ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:00:09, skipping insertion in model container [2020-09-25 12:00:09,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:00:08" (2/3) ... [2020-09-25 12:00:09,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148e81ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:00:09, skipping insertion in model container [2020-09-25 12:00:09,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:00:09" (3/3) ... [2020-09-25 12:00:09,363 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2020-09-25 12:00:09,376 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:00:09,387 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:00:09,410 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:00:09,446 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:00:09,446 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:00:09,447 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:00:09,447 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:00:09,447 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:00:09,447 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:00:09,447 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:00:09,447 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:00:09,477 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states. [2020-09-25 12:00:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 12:00:09,497 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:09,498 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:00:09,499 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:09,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:09,508 INFO L82 PathProgramCache]: Analyzing trace with hash -719522545, now seen corresponding path program 1 times [2020-09-25 12:00:09,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:09,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27796396] [2020-09-25 12:00:09,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:09,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:10,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:11,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:12,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:13,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:14,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:14,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:14,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 12:00:14,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 12:00:14,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 12:00:14,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:14,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:14,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:00:14,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 12:00:14,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 12:00:14,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:00:15,389 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:15,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:15,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-25 12:00:15,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 12:00:15,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:15,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:15,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:15,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:15,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:15,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:15,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:00:15,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:15,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 12:00:15,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:15,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:00:15,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:15,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:15,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:15,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:00:15,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:15,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:00:15,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:15,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:15,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:00:15,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:15,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:00:15,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:00:15,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:15,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:15,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:15,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:00:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:15,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:15,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:15,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:15,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:15,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:15,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:15,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:15,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:15,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:15,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:15,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:00:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:16,083 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27796396] [2020-09-25 12:00:16,086 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:16,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:00:16,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290211081] [2020-09-25 12:00:16,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:00:16,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:16,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:00:16,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:00:16,139 INFO L87 Difference]: Start difference. First operand 289 states. Second operand 9 states. [2020-09-25 12:00:16,892 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:17,924 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:18,564 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-25 12:00:18,920 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:19,236 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:19,560 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:20,197 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:20,525 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:00:20,944 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:21,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:21,831 INFO L93 Difference]: Finished difference Result 548 states and 675 transitions. [2020-09-25 12:00:21,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 12:00:21,833 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 12:00:21,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:21,856 INFO L225 Difference]: With dead ends: 548 [2020-09-25 12:00:21,856 INFO L226 Difference]: Without dead ends: 382 [2020-09-25 12:00:21,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 12:00:21,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-09-25 12:00:21,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 313. [2020-09-25 12:00:21,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-09-25 12:00:21,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 348 transitions. [2020-09-25 12:00:22,000 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 348 transitions. Word has length 148 [2020-09-25 12:00:22,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:22,001 INFO L479 AbstractCegarLoop]: Abstraction has 313 states and 348 transitions. [2020-09-25 12:00:22,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:00:22,001 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 348 transitions. [2020-09-25 12:00:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-25 12:00:22,006 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:22,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:00:22,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:00:22,007 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:22,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:22,007 INFO L82 PathProgramCache]: Analyzing trace with hash 247727473, now seen corresponding path program 1 times [2020-09-25 12:00:22,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:22,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384379405] [2020-09-25 12:00:22,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:22,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:22,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:23,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 196 [2020-09-25 12:00:27,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:00:27,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 12:00:27,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:00:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 12:00:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-25 12:00:27,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:27,381 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:27,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:27,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:27,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:27,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 12:00:27,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:27,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:00:27,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:27,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:27,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:27,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:27,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:27,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:27,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:27,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:27,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:27,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:27,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:27,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:27,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:27,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:27,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:27,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:27,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:27,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:27,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:00:27,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:27,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:27,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:27,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:27,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:27,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:27,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:27,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:27,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:27,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:27,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:27,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:27,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:27,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:27,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:27,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:00:27,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:27,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:27,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:00:27,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:27,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:00:27,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:27,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:00:27,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:27,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 12:00:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:27,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:27,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:27,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:27,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:27,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:27,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-25 12:00:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:27,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:27,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:27,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:27,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:27,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:27,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:27,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:00:27,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:00:27,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:00:27,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:27,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:27,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384379405] [2020-09-25 12:00:27,868 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:27,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:00:27,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255056415] [2020-09-25 12:00:27,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:00:27,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:27,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:00:27,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:00:27,873 INFO L87 Difference]: Start difference. First operand 313 states and 348 transitions. Second operand 6 states. [2020-09-25 12:00:28,421 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:30,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:30,109 INFO L93 Difference]: Finished difference Result 838 states and 1008 transitions. [2020-09-25 12:00:30,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 12:00:30,110 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 163 [2020-09-25 12:00:30,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:30,124 INFO L225 Difference]: With dead ends: 838 [2020-09-25 12:00:30,125 INFO L226 Difference]: Without dead ends: 640 [2020-09-25 12:00:30,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:00:30,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-09-25 12:00:30,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 502. [2020-09-25 12:00:30,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-09-25 12:00:30,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 573 transitions. [2020-09-25 12:00:30,241 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 573 transitions. Word has length 163 [2020-09-25 12:00:30,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:30,242 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 573 transitions. [2020-09-25 12:00:30,242 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:00:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 573 transitions. [2020-09-25 12:00:30,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-09-25 12:00:30,246 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:00:30,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:00:30,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:00:30,246 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:00:30,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:00:30,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1193971877, now seen corresponding path program 1 times [2020-09-25 12:00:30,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:00:30,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1482999621] [2020-09-25 12:00:30,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:00:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:30,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:30,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:31,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:33,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:35,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:35,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-09-25 12:00:35,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:00:35,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 12:00:35,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:35,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:00:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 12:00:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-25 12:00:35,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:35,677 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:35,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:00:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:35,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:35,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:35,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:00:35,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:35,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-09-25 12:00:35,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:35,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:35,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 12:00:35,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:35,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:00:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:35,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:35,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:35,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:35,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:35,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:35,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:35,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:35,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:35,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:35,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:35,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:35,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:00:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:35,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:35,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:35,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:35,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:35,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:35,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:35,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:35,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:35,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:35,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:35,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:35,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:00:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:35,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:36,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:00:36,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:36,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:00:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:36,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:36,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:36,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:00:36,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:00:36,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:36,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:00:36,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 12:00:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:00:36,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:00:36,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:00:36,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:00:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:00:36,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:00:36,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:00:36,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:00:36,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:00:36,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:00:36,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:00:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:00:36,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:00:36,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:00:36,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:00:36,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 12:00:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:36,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:00:36,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:00:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:36,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:36,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 12:00:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:00:36,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:00:36,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:00:36,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:00:36,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:00:36,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:00:36,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:00:36,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:00:36,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:00:36,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:00:36,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:00:36,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:00:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 12:00:36,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1482999621] [2020-09-25 12:00:36,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:00:36,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:00:36,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872854535] [2020-09-25 12:00:36,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:00:36,166 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:00:36,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:00:36,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:00:36,166 INFO L87 Difference]: Start difference. First operand 502 states and 573 transitions. Second operand 11 states. [2020-09-25 12:00:36,853 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:38,403 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:38,700 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:00:39,041 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:39,355 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:00:39,647 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:00:39,987 INFO L93 Difference]: Finished difference Result 891 states and 1081 transitions. [2020-09-25 12:00:39,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 12:00:39,987 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 171 [2020-09-25 12:00:39,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:00:39,988 INFO L225 Difference]: With dead ends: 891 [2020-09-25 12:00:39,988 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 12:00:39,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2020-09-25 12:00:39,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 12:00:39,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 12:00:39,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 12:00:39,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 12:00:39,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2020-09-25 12:00:39,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:00:39,994 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 12:00:39,994 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:00:39,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 12:00:39,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 12:00:39,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:00:39,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 12:00:40,208 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:40,387 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:40,565 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:40,733 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:40,910 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:41,076 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 6 [2020-09-25 12:00:41,439 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:41,839 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:42,104 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:42,373 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:42,632 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:42,959 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:43,306 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:43,548 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:43,871 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:44,116 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:44,372 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:44,697 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:44,937 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:45,286 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:45,531 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:45,701 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:45,854 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:46,002 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:46,159 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:46,312 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:46,480 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:46,630 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:46,787 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:46,940 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:47,094 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:47,237 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:00:47,394 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:47,551 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:47,705 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:47,857 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:48,010 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:48,164 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:48,320 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:48,469 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:48,621 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:48,769 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:48,921 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:49,074 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:49,222 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:49,379 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:49,527 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:49,675 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:49,823 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:49,979 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:50,131 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:50,279 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:50,437 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:50,594 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:50,746 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:50,894 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:51,050 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:51,203 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:51,360 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:51,511 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:51,668 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:51,783 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 6 [2020-09-25 12:00:51,942 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:52,098 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:52,250 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:52,401 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:52,558 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:52,714 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:52,866 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:53,023 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:53,185 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:53,333 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:53,499 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:53,848 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:54,196 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:54,471 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:54,727 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:54,984 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:55,307 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:55,650 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:55,891 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:56,215 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:56,457 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:56,715 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:57,041 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 192 [2020-09-25 12:00:57,288 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:57,631 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-25 12:00:57,873 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 189 [2020-09-25 12:00:57,990 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 6 [2020-09-25 12:00:58,105 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 6 [2020-09-25 12:00:58,266 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:58,419 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:58,566 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:58,722 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:58,879 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:59,037 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:59,195 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:00:59,305 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 6 [2020-09-25 12:00:59,458 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:00:59,605 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:00:59,758 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:00:59,915 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:00,085 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:00,245 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:00,406 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:01:00,558 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189