/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_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:23:46,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:23:46,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:23:46,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:23:46,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:23:46,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:23:46,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:23:46,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:23:46,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:23:46,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:23:46,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:23:46,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:23:46,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:23:46,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:23:46,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:23:46,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:23:46,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:23:46,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:23:46,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:23:46,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:23:46,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:23:46,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:23:46,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:23:46,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:23:46,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:23:46,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:23:46,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:23:46,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:23:46,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:23:46,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:23:46,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:23:46,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:23:46,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:23:46,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:23:46,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:23:46,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:23:46,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:23:46,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:23:46,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:23:46,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:23:46,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:23:46,855 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 21:23:46,903 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:23:46,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:23:46,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:23:46,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:23:46,906 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:23:46,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:23:46,907 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:23:46,907 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:23:46,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:23:46,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:23:46,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:23:46,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:23:46,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:23:46,909 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:23:46,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:23:46,909 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:23:46,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:23:46,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:23:46,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:23:46,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:23:46,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:23:46,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:23:46,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:23:46,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:23:46,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:23:46,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:23:46,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:23:46,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:23:46,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:23:46,913 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 21:23:47,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:23:47,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:23:47,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:23:47,403 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:23:47,404 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:23:47,405 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-09-24 21:23:47,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/728db4b14/f5559c276fe844e08c838de1c00f99e3/FLAGd50b3133e [2020-09-24 21:23:48,088 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:23:48,089 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product20.cil.c [2020-09-24 21:23:48,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/728db4b14/f5559c276fe844e08c838de1c00f99e3/FLAGd50b3133e [2020-09-24 21:23:48,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/728db4b14/f5559c276fe844e08c838de1c00f99e3 [2020-09-24 21:23:48,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:23:48,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:23:48,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:23:48,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:23:48,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:23:48,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:23:48" (1/1) ... [2020-09-24 21:23:48,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c8aa329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:48, skipping insertion in model container [2020-09-24 21:23:48,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:23:48" (1/1) ... [2020-09-24 21:23:48,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:23:48,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:23:48,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:23:49,008 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:23:49,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:23:49,227 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:23:49,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:49 WrapperNode [2020-09-24 21:23:49,229 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:23:49,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:23:49,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:23:49,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:23:49,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:49" (1/1) ... [2020-09-24 21:23:49,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:49" (1/1) ... [2020-09-24 21:23:49,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:49" (1/1) ... [2020-09-24 21:23:49,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:49" (1/1) ... [2020-09-24 21:23:49,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:49" (1/1) ... [2020-09-24 21:23:49,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:49" (1/1) ... [2020-09-24 21:23:49,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:49" (1/1) ... [2020-09-24 21:23:49,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:23:49,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:23:49,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:23:49,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:23:49,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:49" (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 21:23:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:23:49,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:23:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 21:23:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 21:23:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 21:23:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 21:23:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 21:23:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 21:23:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 21:23:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 21:23:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 21:23:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 21:23:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 21:23:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 21:23:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 21:23:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 21:23:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 21:23:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 21:23:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:23:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 21:23:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 21:23:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 21:23:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 21:23:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 21:23:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 21:23:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 21:23:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 21:23:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 21:23:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 21:23:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 21:23:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 21:23:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 21:23:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 21:23:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 21:23:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 21:23:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 21:23:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 21:23:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 21:23:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 21:23:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:23:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:23:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 21:23:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 21:23:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 21:23:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 21:23:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 21:23:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 21:23:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 21:23:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 21:23:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 21:23:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 21:23:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 21:23:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 21:23:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:23:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 21:23:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 21:23:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 21:23:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 21:23:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 21:23:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 21:23:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 21:23:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:23:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 21:23:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:23:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:23:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 21:23:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:23:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:23:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:23:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:23:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 21:23:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:23:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 21:23:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 21:23:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:23:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 21:23:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 21:23:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 21:23:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 21:23:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 21:23:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 21:23:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 21:23:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 21:23:49,496 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 21:23:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 21:23:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 21:23:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 21:23:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 21:23:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 21:23:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:23:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:23:49,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:23:50,724 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:23:50,725 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 21:23:50,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:23:50 BoogieIcfgContainer [2020-09-24 21:23:50,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:23:50,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:23:50,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:23:50,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:23:50,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:23:48" (1/3) ... [2020-09-24 21:23:50,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3af1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:23:50, skipping insertion in model container [2020-09-24 21:23:50,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:23:49" (2/3) ... [2020-09-24 21:23:50,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d3af1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:23:50, skipping insertion in model container [2020-09-24 21:23:50,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:23:50" (3/3) ... [2020-09-24 21:23:50,742 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2020-09-24 21:23:50,753 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:23:50,764 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:23:50,783 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:23:50,812 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:23:50,812 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:23:50,812 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:23:50,812 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:23:50,812 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:23:50,812 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:23:50,812 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:23:50,812 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:23:50,840 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states. [2020-09-24 21:23:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 21:23:50,857 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:23:50,858 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 21:23:50,859 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:23:50,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:23:50,865 INFO L82 PathProgramCache]: Analyzing trace with hash -303745462, now seen corresponding path program 1 times [2020-09-24 21:23:50,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:23:50,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152984819] [2020-09-24 21:23:50,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:23:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:51,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:51,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:53,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:54,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:56,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:56,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 21:23:56,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:23:56,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-09-24 21:23:56,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:56,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 21:23:56,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 21:23:56,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 21:23:56,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 21:23:56,691 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:23:56,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:23:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:56,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:56,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:56,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:23:56,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:56,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 261 [2020-09-24 21:23:56,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:56,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:56,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:56,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 21:23:56,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:57,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:23:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:57,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:57,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:57,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:57,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:57,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:23:57,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:57,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:57,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:57,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:57,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:57,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:23:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:57,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:57,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:57,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:57,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:57,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:23:57,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:57,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:57,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:57,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:57,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:23:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:57,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:57,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:57,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:57,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:57,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:23:57,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:57,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:57,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:23:57,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:23:57,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:57,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:57,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:57,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:23:57,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:57,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:23:57,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:57,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:23:57,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:57,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:23:57,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:57,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 21:23:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:57,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:57,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:57,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:57,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:57,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 21:23:57,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:57,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:23:57,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:23:57,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:23:57,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:57,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 21:23:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:23:57,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:23:57,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:23:57,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:23:57,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:23:57,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:23:57,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:23:57,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:23:57,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:23:57,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:23:57,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:23:57,224 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 21:23:57,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152984819] [2020-09-24 21:23:57,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:23:57,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 21:23:57,228 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049932845] [2020-09-24 21:23:57,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 21:23:57,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:23:57,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 21:23:57,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 21:23:57,260 INFO L87 Difference]: Start difference. First operand 285 states. Second operand 8 states. [2020-09-24 21:23:57,813 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:23:58,882 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:23:59,238 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:23:59,661 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:24:00,116 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:00,427 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:24:00,754 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:24:01,098 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:24:02,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:24:02,789 INFO L93 Difference]: Finished difference Result 569 states and 704 transitions. [2020-09-24 21:24:02,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 21:24:02,791 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 21:24:02,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:24:02,813 INFO L225 Difference]: With dead ends: 569 [2020-09-24 21:24:02,813 INFO L226 Difference]: Without dead ends: 395 [2020-09-24 21:24:02,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 21:24:02,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-09-24 21:24:02,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 350. [2020-09-24 21:24:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-09-24 21:24:02,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 396 transitions. [2020-09-24 21:24:02,956 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 396 transitions. Word has length 142 [2020-09-24 21:24:02,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:24:02,957 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 396 transitions. [2020-09-24 21:24:02,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 21:24:02,958 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 396 transitions. [2020-09-24 21:24:02,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 21:24:02,964 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:24:02,964 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 21:24:02,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:24:02,965 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:24:02,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:24:02,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1437367910, now seen corresponding path program 1 times [2020-09-24 21:24:02,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:24:02,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140156158] [2020-09-24 21:24:02,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:24:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:03,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:03,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:04,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:08,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:08,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 21:24:08,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:24:08,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-24 21:24:08,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 21:24:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 21:24:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-24 21:24:08,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:08,382 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:24:08,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:24:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:08,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:08,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:08,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:24:08,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:08,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-09-24 21:24:08,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:08,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:08,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 21:24:08,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:08,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:24:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:08,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:08,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:08,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:24:08,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:08,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:24:08,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:08,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:08,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:24:08,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:08,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:24:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:08,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:08,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:08,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:24:08,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:08,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:24:08,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:08,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:08,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:24:08,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:08,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:24:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:08,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:08,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:08,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:24:08,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:08,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:24:08,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:08,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:08,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:24:08,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:24:08,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:24:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:08,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:08,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:08,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:24:08,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:08,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:24:08,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:08,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:24:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:24:08,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 21:24:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:08,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:08,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:08,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:24:08,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:08,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:24:08,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:08,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:24:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 21:24:08,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:24:08,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:08,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 21:24:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:08,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:08,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:08,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:24:08,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:08,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:24:08,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:08,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:24:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:24:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:24:08,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:08,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 21:24:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:08,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:08,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:08,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:24:08,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:24:08,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:24:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:24:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:24:08,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:08,829 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 21:24:08,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140156158] [2020-09-24 21:24:08,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:24:08,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 21:24:08,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43160246] [2020-09-24 21:24:08,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 21:24:08,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:24:08,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 21:24:08,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 21:24:08,834 INFO L87 Difference]: Start difference. First operand 350 states and 396 transitions. Second operand 5 states. [2020-09-24 21:24:09,384 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 21:24:10,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:24:10,223 INFO L93 Difference]: Finished difference Result 538 states and 641 transitions. [2020-09-24 21:24:10,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 21:24:10,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 21:24:10,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:24:10,229 INFO L225 Difference]: With dead ends: 538 [2020-09-24 21:24:10,229 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 21:24:10,232 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 21:24:10,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 21:24:10,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 264. [2020-09-24 21:24:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-09-24 21:24:10,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 282 transitions. [2020-09-24 21:24:10,278 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 282 transitions. Word has length 148 [2020-09-24 21:24:10,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:24:10,279 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 282 transitions. [2020-09-24 21:24:10,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 21:24:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 282 transitions. [2020-09-24 21:24:10,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 21:24:10,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:24:10,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:24:10,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 21:24:10,282 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:24:10,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:24:10,283 INFO L82 PathProgramCache]: Analyzing trace with hash 235395609, now seen corresponding path program 1 times [2020-09-24 21:24:10,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:24:10,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65744819] [2020-09-24 21:24:10,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:24:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:10,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:10,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:11,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:12,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:15,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:15,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 21:24:15,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:24:15,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-09-24 21:24:15,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 21:24:15,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 21:24:15,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 21:24:15,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:15,752 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:24:15,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:24:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:15,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:16,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:16,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 21:24:16,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:16,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 276 [2020-09-24 21:24:16,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:16,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 21:24:16,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 21:24:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:16,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:16,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:16,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:24:16,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:16,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:24:16,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:16,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:16,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:16,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:24:16,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:16,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 21:24:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:16,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:16,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:16,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:24:16,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:16,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:24:16,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:16,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:24:16,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:24:16,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 21:24:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:16,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:16,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:16,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:24:16,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:16,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 21:24:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:16,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:24:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:16,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 21:24:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:16,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:16,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:16,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:24:16,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:16,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:24:16,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:16,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 21:24:16,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:16,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 21:24:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:16,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:16,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:16,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 21:24:16,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:16,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:24:16,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:24:16,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 21:24:16,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:24:16,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:16,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 21:24:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:16,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:16,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:16,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 21:24:16,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:16,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:24:16,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:16,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:24:16,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:16,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 21:24:16,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:24:16,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 21:24:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:16,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:16,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:16,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:24:16,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:16,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:24:16,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:24:16,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:24:16,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 21:24:16,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:24:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 21:24:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:24:16,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:24:16,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:24:16,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:24:16,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:24:16,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:24:16,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:24:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:24:16,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 21:24:16,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:24:16,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:24:16,383 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 21:24:16,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65744819] [2020-09-24 21:24:16,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 21:24:16,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 21:24:16,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114949996] [2020-09-24 21:24:16,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 21:24:16,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:24:16,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 21:24:16,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 21:24:16,390 INFO L87 Difference]: Start difference. First operand 264 states and 282 transitions. Second operand 12 states. [2020-09-24 21:24:16,966 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 21:24:18,430 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 21:24:18,703 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:18,978 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:19,274 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 21:24:19,583 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:20,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:24:20,272 INFO L93 Difference]: Finished difference Result 412 states and 475 transitions. [2020-09-24 21:24:20,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 21:24:20,273 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-09-24 21:24:20,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:24:20,275 INFO L225 Difference]: With dead ends: 412 [2020-09-24 21:24:20,275 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 21:24:20,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-09-24 21:24:20,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 21:24:20,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 21:24:20,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 21:24:20,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 21:24:20,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 21:24:20,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:24:20,279 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 21:24:20,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 21:24:20,279 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 21:24:20,279 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 21:24:20,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 21:24:20,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 21:24:20,517 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:24:20,692 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:20,859 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:21,025 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:21,364 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:24:21,703 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:24:22,050 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:24:22,208 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:22,361 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:22,515 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:22,842 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 21:24:22,996 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:23,314 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:24:23,470 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:23,627 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:23,786 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:23,946 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:24:24,110 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:24:24,278 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:24,432 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:24,594 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:24,746 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:24,904 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:25,063 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:25,203 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:24:25,357 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:25,515 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:25,675 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:25,833 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:25,986 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:26,139 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:26,297 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:26,449 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:26,603 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:26,758 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:26,922 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:27,087 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:27,247 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:27,404 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:27,557 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:27,710 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:27,868 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:28,025 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:28,281 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:28,439 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:28,592 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:28,750 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:28,910 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:29,078 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:29,238 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:29,398 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:29,557 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:29,715 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:29,872 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:30,032 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:30,192 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:30,344 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:30,497 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:30,655 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:30,808 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:30,960 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:31,114 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:31,267 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:31,422 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:31,575 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:31,734 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:24:31,891 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:32,048 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:32,205 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:32,361 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:32,709 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:24:32,863 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:33,180 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:24:33,333 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:33,652 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:24:33,805 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:34,123 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 21:24:34,282 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:34,440 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:34,605 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:34,764 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:24:34,925 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 17 [2020-09-24 21:24:35,083 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:35,247 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:35,400 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:35,553 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:35,705 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:35,863 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:36,021 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:36,178 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:36,336 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:36,488 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:36,640 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 21:24:36,798 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 21:24:37,296 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 21:24:37,495 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 21:24:37,904 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-24 21:24:38,129 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 21:24:38,495 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 21:24:38,905 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 21:24:39,158 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 21:24:39,502 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 21:24:39,728 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 21:24:40,181 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 21:24:40,737 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 21:24:40,989 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 21:24:41,216 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1