/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=LOWLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:22:49,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:22:49,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:22:49,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:22:49,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:22:49,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:22:49,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:22:49,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:22:49,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:22:49,902 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:22:49,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:22:49,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:22:49,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:22:49,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:22:49,910 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:22:49,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:22:49,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:22:49,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:22:49,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:22:49,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:22:49,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:22:49,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:22:49,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:22:49,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:22:49,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:22:49,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:22:49,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:22:49,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:22:49,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:22:49,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:22:49,942 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:22:49,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:22:49,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:22:49,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:22:49,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:22:49,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:22:49,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:22:49,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:22:49,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:22:49,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:22:49,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:22:49,952 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 [2020-09-24 21:22:49,998 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:22:49,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:22:50,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:22:50,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:22:50,001 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:22:50,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:22:50,002 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:22:50,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:22:50,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:22:50,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:22:50,004 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:22:50,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:22:50,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:22:50,005 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:22:50,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:22:50,005 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:22:50,005 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:22:50,005 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:22:50,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:22:50,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:22:50,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:22:50,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:22:50,006 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:22:50,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:22:50,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:22:50,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:22:50,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:22:50,007 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:22:50,008 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:22:50,008 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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;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=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:22:50,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:22:50,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:22:50,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:22:50,489 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:22:50,489 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:22:50,491 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-09-24 21:22:50,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5d70977b/f48ae6a7b23949f1adafad9e407a32b3/FLAGa977a6bf8 [2020-09-24 21:22:51,239 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:22:51,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product05.cil.c [2020-09-24 21:22:51,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5d70977b/f48ae6a7b23949f1adafad9e407a32b3/FLAGa977a6bf8 [2020-09-24 21:22:51,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e5d70977b/f48ae6a7b23949f1adafad9e407a32b3 [2020-09-24 21:22:51,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:22:51,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:22:51,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:22:51,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:22:51,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:22:51,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:22:51" (1/1) ... [2020-09-24 21:22:51,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e89ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:51, skipping insertion in model container [2020-09-24 21:22:51,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:22:51" (1/1) ... [2020-09-24 21:22:51,487 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:22:51,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:22:52,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:22:52,023 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:22:52,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:22:52,168 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:22:52,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:52 WrapperNode [2020-09-24 21:22:52,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:22:52,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:22:52,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:22:52,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:22:52,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:52" (1/1) ... [2020-09-24 21:22:52,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:52" (1/1) ... [2020-09-24 21:22:52,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:52" (1/1) ... [2020-09-24 21:22:52,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:52" (1/1) ... [2020-09-24 21:22:52,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:52" (1/1) ... [2020-09-24 21:22:52,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:52" (1/1) ... [2020-09-24 21:22:52,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:52" (1/1) ... [2020-09-24 21:22:52,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:22:52,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:22:52,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:22:52,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:22:52,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:52" (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 [2020-09-24 21:22:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:22:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:22:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 21:22:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 21:22:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 21:22:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 21:22:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 21:22:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 21:22:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 21:22:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 21:22:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 21:22:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 21:22:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 21:22:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 21:22:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 21:22:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 21:22:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 21:22:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 21:22:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 21:22:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:22:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 21:22:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 21:22:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 21:22:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 21:22:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 21:22:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 21:22:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 21:22:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 21:22:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 21:22:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 21:22:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 21:22:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 21:22:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 21:22:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 21:22:52,379 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 21:22:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:22:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:22:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 21:22:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 21:22:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 21:22:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 21:22:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 21:22:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 21:22:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 21:22:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:22:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 21:22:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:22:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:22:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 21:22:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:22:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:22:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:22:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:22:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 21:22:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:22:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 21:22:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 21:22:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:22:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 21:22:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 21:22:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 21:22:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 21:22:52,383 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 21:22:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 21:22:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 21:22:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 21:22:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 21:22:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 21:22:52,384 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 21:22:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 21:22:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 21:22:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:22:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 21:22:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 21:22:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 21:22:52,385 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 21:22:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 21:22:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 21:22:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 21:22:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 21:22:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 21:22:52,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:22:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:22:52,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:22:53,734 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:22:53,734 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 21:22:53,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:22:53 BoogieIcfgContainer [2020-09-24 21:22:53,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:22:53,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:22:53,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:22:53,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:22:53,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:22:51" (1/3) ... [2020-09-24 21:22:53,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740a6804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:22:53, skipping insertion in model container [2020-09-24 21:22:53,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:22:52" (2/3) ... [2020-09-24 21:22:53,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740a6804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:22:53, skipping insertion in model container [2020-09-24 21:22:53,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:22:53" (3/3) ... [2020-09-24 21:22:53,753 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product05.cil.c [2020-09-24 21:22:53,766 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:22:53,779 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:22:53,799 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:22:53,833 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:22:53,833 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:22:53,833 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:22:53,833 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:22:53,834 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:22:53,834 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:22:53,834 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:22:53,834 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:22:53,865 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states. [2020-09-24 21:22:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 21:22:53,883 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:22:53,884 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:22:53,885 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:22:53,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:22:53,892 INFO L82 PathProgramCache]: Analyzing trace with hash -95767134, now seen corresponding path program 1 times [2020-09-24 21:22:53,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:22:53,902 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1062987145] [2020-09-24 21:22:53,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:22:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:22:54,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:22:54,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:22:55,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:22:56,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:22:56,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:22:59,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:22:59,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 21:22:59,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 21:22:59,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-09-24 21:22:59,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:22:59,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 21:22:59,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 21:22:59,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 21:22:59,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:22:59,725 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:22:59,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:22:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:22:59,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:00,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:00,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:23:00,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:00,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 316 [2020-09-24 21:23:00,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:00,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:00,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 21:23:00,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-09-24 21:23:00,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:23:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:00,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:00,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:00,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:00,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:23:00,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:00,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:00,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:00,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:00,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 21:23:00,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:23:00,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:00,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:00,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:00,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:00,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:00,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:23:00,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:00,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:00,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:00,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:23:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:00,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:00,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:00,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:00,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 21:23:00,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:00,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:00,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:00,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:23:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:00,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:00,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:00,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:00,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:00,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:23:00,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:00,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:00,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:00,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 21:23:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:00,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:00,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:23:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:23:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:00,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 21:23:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:00,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:00,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:00,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:00,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:00,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:00,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:00,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:00,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:23:00,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1062987145] [2020-09-24 21:23:00,555 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:23:00,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:23:00,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328126224] [2020-09-24 21:23:00,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:23:00,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:23:00,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:23:00,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:23:00,589 INFO L87 Difference]: Start difference. First operand 269 states. Second operand 8 states. [2020-09-24 21:23:01,179 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:23:02,070 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:02,621 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:23:02,998 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:03,414 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:03,680 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:23:04,025 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:04,331 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 21:23:05,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:23:05,800 INFO L93 Difference]: Finished difference Result 517 states and 641 transitions. [2020-09-24 21:23:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 21:23:05,806 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 21:23:05,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:23:05,826 INFO L225 Difference]: With dead ends: 517 [2020-09-24 21:23:05,827 INFO L226 Difference]: Without dead ends: 359 [2020-09-24 21:23:05,833 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 21:23:05,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2020-09-24 21:23:05,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 318. [2020-09-24 21:23:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-09-24 21:23:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 358 transitions. [2020-09-24 21:23:05,960 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 358 transitions. Word has length 142 [2020-09-24 21:23:05,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:23:05,961 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 358 transitions. [2020-09-24 21:23:05,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:23:05,961 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 358 transitions. [2020-09-24 21:23:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 21:23:05,967 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:23:05,968 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] [2020-09-24 21:23:05,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:23:05,968 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:23:05,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:23:05,969 INFO L82 PathProgramCache]: Analyzing trace with hash 132292228, now seen corresponding path program 1 times [2020-09-24 21:23:05,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:23:05,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1414207052] [2020-09-24 21:23:05,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:23:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:06,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:06,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:06,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:11,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:11,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 21:23:11,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:23:11,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-24 21:23:11,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 21:23:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 21:23:11,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 21:23:11,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:11,380 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:11,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:23:11,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:11,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:11,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:11,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:23:11,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:11,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-24 21:23:11,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:11,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:11,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 21:23:11,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:11,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:23:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:11,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:11,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:11,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:11,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:11,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:11,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:11,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:11,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:11,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:23:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:11,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:11,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:11,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:11,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:11,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:11,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:11,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:11,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:11,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:11,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:11,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:23:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:11,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:11,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:11,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:11,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:11,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:23:11,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:11,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:11,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:11,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:11,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:11,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:23:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:11,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:11,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:11,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:11,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:11,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:11,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:11,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:11,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:11,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:11,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 21:23:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:11,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:11,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:11,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:23:11,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:11,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:23:11,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 21:23:11,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:11,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:11,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 21:23:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:11,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:11,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:11,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:11,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:11,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:23:11,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:11,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:11,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 21:23:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:11,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:11,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:11,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:11,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:11,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:23:11,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:11,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:11,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:23:11,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1414207052] [2020-09-24 21:23:11,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:23:11,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 21:23:11,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674631996] [2020-09-24 21:23:11,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 21:23:11,813 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:23:11,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 21:23:11,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 21:23:11,813 INFO L87 Difference]: Start difference. First operand 318 states and 358 transitions. Second operand 5 states. [2020-09-24 21:23:12,427 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:23:13,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:23:13,006 INFO L93 Difference]: Finished difference Result 486 states and 576 transitions. [2020-09-24 21:23:13,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 21:23:13,007 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 21:23:13,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:23:13,011 INFO L225 Difference]: With dead ends: 486 [2020-09-24 21:23:13,011 INFO L226 Difference]: Without dead ends: 267 [2020-09-24 21:23:13,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:23:13,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-09-24 21:23:13,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 246. [2020-09-24 21:23:13,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2020-09-24 21:23:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 264 transitions. [2020-09-24 21:23:13,054 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 264 transitions. Word has length 148 [2020-09-24 21:23:13,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:23:13,055 INFO L479 AbstractCegarLoop]: Abstraction has 246 states and 264 transitions. [2020-09-24 21:23:13,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 21:23:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 264 transitions. [2020-09-24 21:23:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-24 21:23:13,058 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:23:13,058 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:23:13,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:23:13,058 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:23:13,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:23:13,059 INFO L82 PathProgramCache]: Analyzing trace with hash 677330982, now seen corresponding path program 1 times [2020-09-24 21:23:13,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:23:13,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851364563] [2020-09-24 21:23:13,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:23:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:13,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:13,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:13,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:15,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:18,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:18,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-24 21:23:18,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:23:18,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-24 21:23:18,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 21:23:18,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 21:23:18,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 21:23:18,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:18,524 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:18,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:23:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:18,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:18,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:18,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:23:18,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:18,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 210 [2020-09-24 21:23:18,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:18,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 21:23:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:18,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:23:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:18,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:18,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:18,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:18,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:18,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:18,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:18,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:18,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:18,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:18,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:18,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:23:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:18,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:18,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:18,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:18,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:18,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:23:18,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:18,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:18,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:18,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:18,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:23:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:18,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:18,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:18,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:18,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:18,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:23:18,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:18,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:18,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:18,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:23:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:18,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:18,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:18,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:18,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:18,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:18,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:18,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:18,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:18,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:18,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 21:23:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:18,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:18,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:18,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:23:18,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:18,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:23:18,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:18,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:23:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:23:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:23:18,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:18,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 21:23:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:18,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:18,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:18,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:18,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:23:18,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:23:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:18,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:18,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-24 21:23:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:18,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:18,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:18,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:18,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:18,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:23:18,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:18,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:18,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:18,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:18,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:18,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 21:23:18,966 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851364563] [2020-09-24 21:23:18,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:23:18,967 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 21:23:18,967 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055974121] [2020-09-24 21:23:18,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 21:23:18,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:23:18,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 21:23:18,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-24 21:23:18,969 INFO L87 Difference]: Start difference. First operand 246 states and 264 transitions. Second operand 11 states. [2020-09-24 21:23:19,481 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:23:20,359 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:23:20,953 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:21,284 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:21,724 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:22,049 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:22,400 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:22,722 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:23,066 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:23,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:23:23,420 INFO L93 Difference]: Finished difference Result 336 states and 376 transitions. [2020-09-24 21:23:23,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 21:23:23,421 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 157 [2020-09-24 21:23:23,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:23:23,423 INFO L225 Difference]: With dead ends: 336 [2020-09-24 21:23:23,423 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 21:23:23,425 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=132, Invalid=374, Unknown=0, NotChecked=0, Total=506 [2020-09-24 21:23:23,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 21:23:23,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 21:23:23,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 21:23:23,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 21:23:23,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-09-24 21:23:23,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:23:23,426 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 21:23:23,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 21:23:23,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 21:23:23,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 21:23:23,427 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:23:23,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 21:23:23,643 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:23,820 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:23,995 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:24,162 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:24,327 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:24,485 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:24,648 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:24,831 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 18 [2020-09-24 21:23:24,977 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:25,135 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:25,298 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:25,460 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:25,616 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:25,773 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:25,935 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:26,106 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:26,263 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:26,421 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:26,583 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:26,743 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:26,895 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:27,057 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:27,215 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:27,465 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:27,622 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:27,779 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 18 [2020-09-24 21:23:28,109 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:28,436 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:23:28,594 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:28,752 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:28,907 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:29,225 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:29,551 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:23:29,706 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 18 [2020-09-24 21:23:29,860 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:30,018 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:30,175 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:30,333 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:30,489 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:30,807 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:30,961 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:31,279 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:31,436 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:31,589 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:31,742 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:31,901 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:32,219 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:32,373 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:32,690 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:23:32,853 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:33,010 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:33,167 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:33,325 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:33,481 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:33,648 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:33,811 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:33,971 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:34,123 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:34,291 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:34,444 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:34,597 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:34,750 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:34,921 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:35,081 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:35,238 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 18 [2020-09-24 21:23:35,391 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:35,544 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:35,696 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:23:36,291 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 18 [2020-09-24 21:23:36,545 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-24 21:23:36,764 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-24 21:23:36,960 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-24 21:23:37,304 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:37,964 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 21 [2020-09-24 21:23:38,164 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-24 21:23:38,810 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-24 21:23:39,029 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-24 21:23:39,309 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-24 21:23:39,925 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 23 [2020-09-24 21:23:40,622 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 18 [2020-09-24 21:23:40,827 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-24 21:23:41,429 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-09-24 21:23:42,061 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 21 [2020-09-24 21:23:42,287 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-24 21:23:42,909 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 23 [2020-09-24 21:23:43,131 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-24 21:23:43,355 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-24 21:23:43,580 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-09-24 21:23:43,791 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-24 21:23:44,470 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 18