/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 log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:53:11,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:53:11,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:53:11,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:53:11,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:53:11,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:53:11,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:53:11,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:53:11,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:53:11,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:53:11,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:53:11,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:53:11,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:53:11,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:53:11,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:53:11,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:53:11,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:53:11,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:53:11,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:53:11,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:53:11,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:53:11,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:53:11,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:53:11,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:53:11,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:53:11,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:53:11,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:53:11,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:53:11,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:53:11,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:53:11,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:53:11,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:53:11,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:53:11,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:53:11,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:53:11,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:53:11,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:53:11,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:53:11,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:53:11,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:53:11,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:53:11,245 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 16:53:11,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:53:11,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:53:11,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:53:11,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:53:11,291 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:53:11,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:53:11,291 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:53:11,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:53:11,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:53:11,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:53:11,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:53:11,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:53:11,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:53:11,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:53:11,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:53:11,294 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:53:11,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:53:11,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:53:11,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:53:11,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:53:11,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:53:11,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:53:11,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:53:11,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:53:11,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:53:11,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:53:11,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:53:11,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:53:11,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:53:11,297 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;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;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;log-additional-information=true; [2020-09-24 16:53:11,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:53:11,759 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:53:11,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:53:11,765 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:53:11,766 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:53:11,767 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-09-24 16:53:11,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d5811520/9210cae0593f4fb1a38c4ba196ff7ec6/FLAG76cb93434 [2020-09-24 16:53:12,462 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:53:12,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product10.cil.c [2020-09-24 16:53:12,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d5811520/9210cae0593f4fb1a38c4ba196ff7ec6/FLAG76cb93434 [2020-09-24 16:53:12,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d5811520/9210cae0593f4fb1a38c4ba196ff7ec6 [2020-09-24 16:53:12,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:53:12,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:53:12,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:53:12,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:53:12,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:53:12,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:53:12" (1/1) ... [2020-09-24 16:53:12,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e33fb78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:12, skipping insertion in model container [2020-09-24 16:53:12,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:53:12" (1/1) ... [2020-09-24 16:53:12,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:53:12,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:53:13,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:53:13,327 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:53:13,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:53:13,507 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:53:13,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:13 WrapperNode [2020-09-24 16:53:13,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:53:13,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:53:13,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:53:13,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:53:13,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:13" (1/1) ... [2020-09-24 16:53:13,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:13" (1/1) ... [2020-09-24 16:53:13,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:13" (1/1) ... [2020-09-24 16:53:13,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:13" (1/1) ... [2020-09-24 16:53:13,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:13" (1/1) ... [2020-09-24 16:53:13,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:13" (1/1) ... [2020-09-24 16:53:13,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:13" (1/1) ... [2020-09-24 16:53:13,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:53:13,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:53:13,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:53:13,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:53:13,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:13" (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 16:53:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:53:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:53:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 16:53:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 16:53:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 16:53:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 16:53:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 16:53:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 16:53:13,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 16:53:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 16:53:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 16:53:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 16:53:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 16:53:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 16:53:13,693 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 16:53:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:53:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 16:53:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 16:53:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-24 16:53:13,694 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 16:53:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 16:53:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 16:53:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 16:53:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 16:53:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 16:53:13,695 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 16:53:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 16:53:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 16:53:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 16:53:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 16:53:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 16:53:13,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 16:53:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 16:53:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 16:53:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 16:53:13,697 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 16:53:13,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:53:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:53:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 16:53:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 16:53:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 16:53:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 16:53:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 16:53:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 16:53:13,698 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 16:53:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 16:53:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 16:53:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:53:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:53:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:53:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:53:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 16:53:13,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:53:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 16:53:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 16:53:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:53:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 16:53:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 16:53:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 16:53:13,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 16:53:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 16:53:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 16:53:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 16:53:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 16:53:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 16:53:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 16:53:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 16:53:13,701 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 16:53:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 16:53:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 16:53:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 16:53:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 16:53:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:53:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 16:53:13,702 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 16:53:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 16:53:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 16:53:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 16:53:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 16:53:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 16:53:13,703 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-24 16:53:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 16:53:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 16:53:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:53:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 16:53:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:53:14,849 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:53:14,849 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 16:53:14,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:53:14 BoogieIcfgContainer [2020-09-24 16:53:14,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:53:14,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:53:14,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:53:14,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:53:14,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:53:12" (1/3) ... [2020-09-24 16:53:14,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1a3fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:53:14, skipping insertion in model container [2020-09-24 16:53:14,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:53:13" (2/3) ... [2020-09-24 16:53:14,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1a3fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:53:14, skipping insertion in model container [2020-09-24 16:53:14,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:53:14" (3/3) ... [2020-09-24 16:53:14,866 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2020-09-24 16:53:14,877 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:53:14,888 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:53:14,911 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:53:14,940 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:53:14,940 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:53:14,940 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:53:14,941 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:53:14,941 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:53:14,941 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:53:14,941 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:53:14,941 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:53:14,974 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2020-09-24 16:53:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 16:53:14,990 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:53:14,992 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 16:53:14,992 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:53:14,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:53:14,999 INFO L82 PathProgramCache]: Analyzing trace with hash 503719185, now seen corresponding path program 1 times [2020-09-24 16:53:15,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:53:15,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015294087] [2020-09-24 16:53:15,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:53:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:15,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:15,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:17,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:17,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:18,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:31,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:31,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 16:53:31,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 16:53:31,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16133 [2020-09-24 16:53:31,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:31,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 16:53:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 16:53:31,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-24 16:53:31,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 16:53:31,952 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:31,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:53:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:32,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:32,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:32,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:53:32,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:32,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-09-24 16:53:32,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:32,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 16:53:32,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:32,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:53:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:32,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:32,365 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:32,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:32,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:32,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:32,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:32,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:32,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:32,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:53:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:32,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:32,375 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:32,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:32,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:32,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:53:32,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:32,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:32,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:32,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:32,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:32,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:53:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:32,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:32,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:32,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:32,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:32,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:53:32,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:32,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:32,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:32,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:32,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:32,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:53:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:32,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:32,397 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:32,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:32,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:32,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:32,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:32,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:32,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:32,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 16:53:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:32,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:32,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:32,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:32,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 16:53:32,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:32,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:32,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:53:32,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:32,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:32,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 16:53:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:32,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:32,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:32,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:32,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:32,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:53:32,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 16:53:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:32,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:32,454 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 16:53:32,455 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015294087] [2020-09-24 16:53:32,458 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:53:32,458 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 16:53:32,459 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346170023] [2020-09-24 16:53:32,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 16:53:32,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:53:32,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 16:53:32,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 16:53:32,491 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2020-09-24 16:53:33,067 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:53:33,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:53:33,996 INFO L93 Difference]: Finished difference Result 352 states and 424 transitions. [2020-09-24 16:53:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 16:53:33,998 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 142 [2020-09-24 16:53:33,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:53:34,018 INFO L225 Difference]: With dead ends: 352 [2020-09-24 16:53:34,019 INFO L226 Difference]: Without dead ends: 232 [2020-09-24 16:53:34,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 16:53:34,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-09-24 16:53:34,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 194. [2020-09-24 16:53:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-09-24 16:53:34,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 206 transitions. [2020-09-24 16:53:34,125 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 206 transitions. Word has length 142 [2020-09-24 16:53:34,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:53:34,127 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 206 transitions. [2020-09-24 16:53:34,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 16:53:34,127 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 206 transitions. [2020-09-24 16:53:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-09-24 16:53:34,137 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:53:34,137 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] [2020-09-24 16:53:34,137 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:53:34,138 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:53:34,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:53:34,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1588221788, now seen corresponding path program 1 times [2020-09-24 16:53:34,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:53:34,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479242038] [2020-09-24 16:53:34,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:53:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:34,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:34,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:35,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:35,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:46,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:46,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 179 [2020-09-24 16:53:46,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 16:53:46,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12068 [2020-09-24 16:53:46,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:46,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 16:53:46,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 139 [2020-09-24 16:53:46,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-09-24 16:53:46,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:46,589 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:46,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:53:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:46,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:46,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:46,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 16:53:46,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:46,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-24 16:53:46,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:46,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:46,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:46,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 16:53:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:46,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:46,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:46,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:46,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:46,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:53:46,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:46,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:46,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:46,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:46,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:46,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 16:53:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:46,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:46,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:46,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:46,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:46,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:53:46,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:46,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:46,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:46,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:46,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:53:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 16:53:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:46,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:46,742 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:46,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:46,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:53:46,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:53:46,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 16:53:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:46,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:46,749 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:46,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:46,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:46,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:53:46,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:46,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:53:46,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:46,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:53:46,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:53:46,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-24 16:53:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:46,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:46,758 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:46,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 16:53:46,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:46,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:53:46,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:46,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:46,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:46,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 16:53:46,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:53:46,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 16:53:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:46,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:46,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:46,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:46,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:46,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 16:53:46,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:46,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:53:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:46,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:46,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:53:46,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 16:53:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:53:46,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 16:53:46,784 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:53:46,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 16:53:46,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:53:46,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 16:53:46,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: RANDOM [2020-09-24 16:53:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:53:46,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:53:46,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 16:53:46,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:53:46,917 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 16:53:46,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479242038] [2020-09-24 16:53:46,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:53:46,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 16:53:46,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25222742] [2020-09-24 16:53:46,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 16:53:46,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:53:46,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 16:53:46,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 16:53:46,929 INFO L87 Difference]: Start difference. First operand 194 states and 206 transitions. Second operand 8 states. [2020-09-24 16:53:47,530 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 16:53:48,685 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 16:53:49,041 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 16:53:49,372 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:49,702 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 16:53:50,022 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:50,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:53:50,191 INFO L93 Difference]: Finished difference Result 297 states and 335 transitions. [2020-09-24 16:53:50,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 16:53:50,193 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-09-24 16:53:50,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:53:50,194 INFO L225 Difference]: With dead ends: 297 [2020-09-24 16:53:50,195 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 16:53:50,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:53:50,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 16:53:50,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 16:53:50,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 16:53:50,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 16:53:50,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2020-09-24 16:53:50,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:53:50,199 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 16:53:50,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 16:53:50,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 16:53:50,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 16:53:50,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:53:50,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 16:53:50,365 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 7 [2020-09-24 16:53:50,631 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:50,885 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:51,041 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:51,226 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:51,389 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:51,548 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:51,806 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:51,959 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:52,218 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:52,471 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:52,714 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:52,956 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:53,105 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:53,349 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:53,589 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:53,827 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:54,066 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:54,215 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:54,363 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:54,601 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:54,740 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 16:53:54,890 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:55,040 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:55,190 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:55,339 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:55,487 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:55,635 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:55,785 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:55,937 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:56,087 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:56,237 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:56,385 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:56,534 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:56,683 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:56,831 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:57,068 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:57,309 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-24 16:53:57,547 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:57,695 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:57,845 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:57,993 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:58,141 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:58,290 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:58,529 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:58,677 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 16:53:59,027 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-24 16:53:59,233 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-24 16:53:59,466 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-24 16:53:59,681 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-24 16:53:59,919 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-24 16:54:00,134 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-24 16:54:00,350 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18 [2020-09-24 16:54:00,533 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 12 [2020-09-24 16:54:00,735 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-09-24 16:54:00,961 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 18