/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=1.0 --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_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 08:43:28,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 08:43:28,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 08:43:28,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 08:43:28,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 08:43:28,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 08:43:28,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 08:43:28,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 08:43:28,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 08:43:28,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 08:43:28,515 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 08:43:28,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 08:43:28,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 08:43:28,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 08:43:28,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 08:43:28,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 08:43:28,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 08:43:28,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 08:43:28,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 08:43:28,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 08:43:28,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 08:43:28,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 08:43:28,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 08:43:28,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 08:43:28,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 08:43:28,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 08:43:28,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 08:43:28,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 08:43:28,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 08:43:28,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 08:43:28,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 08:43:28,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 08:43:28,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 08:43:28,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 08:43:28,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 08:43:28,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 08:43:28,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 08:43:28,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 08:43:28,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 08:43:28,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 08:43:28,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 08:43:28,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 08:43:28,594 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 08:43:28,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 08:43:28,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 08:43:28,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 08:43:28,598 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 08:43:28,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 08:43:28,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 08:43:28,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 08:43:28,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 08:43:28,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 08:43:28,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 08:43:28,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 08:43:28,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 08:43:28,602 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 08:43:28,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 08:43:28,602 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 08:43:28,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 08:43:28,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 08:43:28,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 08:43:28,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 08:43:28,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 08:43:28,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:43:28,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 08:43:28,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 08:43:28,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 08:43:28,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 08:43:28,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 08:43:28,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 08:43:28,606 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 08:43:28,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=1.0;log-additional-information=true; [2020-09-25 08:43:29,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 08:43:29,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 08:43:29,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 08:43:29,073 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 08:43:29,074 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 08:43:29,075 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 08:43:29,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b797d9b2/db4668fd5d7f42778cf68683d551307c/FLAG05a426209 [2020-09-25 08:43:29,706 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 08:43:29,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 08:43:29,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b797d9b2/db4668fd5d7f42778cf68683d551307c/FLAG05a426209 [2020-09-25 08:43:30,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3b797d9b2/db4668fd5d7f42778cf68683d551307c [2020-09-25 08:43:30,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 08:43:30,024 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 08:43:30,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 08:43:30,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 08:43:30,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 08:43:30,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:43:30" (1/1) ... [2020-09-25 08:43:30,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c53af82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30, skipping insertion in model container [2020-09-25 08:43:30,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 08:43:30" (1/1) ... [2020-09-25 08:43:30,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 08:43:30,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 08:43:30,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:43:30,590 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 08:43:30,672 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 08:43:30,710 INFO L208 MainTranslator]: Completed translation [2020-09-25 08:43:30,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30 WrapperNode [2020-09-25 08:43:30,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 08:43:30,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 08:43:30,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 08:43:30,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 08:43:30,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30" (1/1) ... [2020-09-25 08:43:30,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30" (1/1) ... [2020-09-25 08:43:30,749 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30" (1/1) ... [2020-09-25 08:43:30,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30" (1/1) ... [2020-09-25 08:43:30,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30" (1/1) ... [2020-09-25 08:43:30,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30" (1/1) ... [2020-09-25 08:43:30,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30" (1/1) ... [2020-09-25 08:43:30,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 08:43:30,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 08:43:30,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 08:43:30,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 08:43:30,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 08:43:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 08:43:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 08:43:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 08:43:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 08:43:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 08:43:30,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 08:43:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 08:43:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 08:43:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 08:43:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 08:43:30,900 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 08:43:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 08:43:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 08:43:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 08:43:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 08:43:30,901 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 08:43:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 08:43:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 08:43:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 08:43:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:43:30,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 08:43:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 08:43:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 08:43:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 08:43:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 08:43:30,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 08:43:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 08:43:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 08:43:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 08:43:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 08:43:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 08:43:30,904 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 08:43:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 08:43:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 08:43:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 08:43:30,905 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 08:43:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 08:43:30,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 08:43:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 08:43:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 08:43:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 08:43:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 08:43:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 08:43:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 08:43:30,906 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 08:43:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 08:43:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 08:43:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 08:43:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 08:43:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 08:43:30,907 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 08:43:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 08:43:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 08:43:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 08:43:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 08:43:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 08:43:30,908 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 08:43:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 08:43:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 08:43:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 08:43:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 08:43:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 08:43:30,909 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 08:43:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 08:43:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 08:43:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 08:43:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 08:43:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 08:43:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 08:43:30,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 08:43:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 08:43:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 08:43:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 08:43:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 08:43:30,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 08:43:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 08:43:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 08:43:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 08:43:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 08:43:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 08:43:30,912 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 08:43:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 08:43:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 08:43:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 08:43:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 08:43:30,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 08:43:32,001 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 08:43:32,001 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 08:43:32,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:43:32 BoogieIcfgContainer [2020-09-25 08:43:32,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 08:43:32,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 08:43:32,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 08:43:32,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 08:43:32,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 08:43:30" (1/3) ... [2020-09-25 08:43:32,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7143928f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:43:32, skipping insertion in model container [2020-09-25 08:43:32,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 08:43:30" (2/3) ... [2020-09-25 08:43:32,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7143928f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 08:43:32, skipping insertion in model container [2020-09-25 08:43:32,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 08:43:32" (3/3) ... [2020-09-25 08:43:32,018 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-09-25 08:43:32,029 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 08:43:32,039 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 08:43:32,060 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 08:43:32,091 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 08:43:32,091 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 08:43:32,091 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 08:43:32,091 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 08:43:32,092 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 08:43:32,092 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 08:43:32,092 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 08:43:32,092 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 08:43:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2020-09-25 08:43:32,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 08:43:32,139 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:43:32,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:43:32,141 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:43:32,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:43:32,150 INFO L82 PathProgramCache]: Analyzing trace with hash 915241318, now seen corresponding path program 1 times [2020-09-25 08:43:32,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:43:32,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1561538981] [2020-09-25 08:43:32,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:43:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:32,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:32,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:34,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:35,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:37,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:37,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 08:43:37,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:43:37,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-09-25 08:43:37,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:37,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:37,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:37,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 08:43:37,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:37,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 19 [2020-09-25 08:43:37,995 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:43:38,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:43:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:38,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:38,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:38,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:43:38,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:38,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-09-25 08:43:38,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:38,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:38,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:38,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:38,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:43:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:38,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:38,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:38,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:38,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:38,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:43:38,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:38,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:38,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:38,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:38,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:43:38,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:38,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:38,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:38,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:38,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:38,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:38,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:38,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:38,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:38,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:38,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:38,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:38,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:43:38,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:38,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:38,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:38,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:38,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:38,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 08:43:38,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:38,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:38,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:38,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:38,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:38,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:38,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:43:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:38,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:38,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:38,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:38,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:38,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:38,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:38,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:38,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:38,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:38,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:38,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:38,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 08:43:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:38,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:38,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:38,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:38,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:38,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:38,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:38,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:38,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:38,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:38,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:38,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:38,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:43:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:38,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:38,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:38,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:38,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 08:43:38,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:38,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:38,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:38,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:38,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:38,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:43:38,364 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1561538981] [2020-09-25 08:43:38,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:43:38,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 08:43:38,368 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345689689] [2020-09-25 08:43:38,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 08:43:38,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:43:38,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 08:43:38,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:43:38,400 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 3 states. [2020-09-25 08:43:40,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:43:40,408 INFO L93 Difference]: Finished difference Result 415 states and 498 transitions. [2020-09-25 08:43:40,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 08:43:40,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 08:43:40,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:43:40,444 INFO L225 Difference]: With dead ends: 415 [2020-09-25 08:43:40,444 INFO L226 Difference]: Without dead ends: 265 [2020-09-25 08:43:40,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 08:43:40,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-25 08:43:40,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 224. [2020-09-25 08:43:40,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-09-25 08:43:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 242 transitions. [2020-09-25 08:43:40,587 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 242 transitions. Word has length 142 [2020-09-25 08:43:40,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:43:40,588 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 242 transitions. [2020-09-25 08:43:40,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 08:43:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 242 transitions. [2020-09-25 08:43:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 08:43:40,593 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:43:40,593 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:43:40,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 08:43:40,594 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:43:40,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:43:40,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1890758001, now seen corresponding path program 1 times [2020-09-25 08:43:40,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:43:40,595 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484115699] [2020-09-25 08:43:40,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:43:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:40,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:40,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:42,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:42,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:43,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:45,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:45,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 08:43:45,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 08:43:45,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 08:43:45,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:45,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 08:43:45,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 08:43:45,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:45,981 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:43:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:43:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:46,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:46,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:46,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:43:46,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:46,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 08:43:46,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:46,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:46,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:43:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:46,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:46,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:46,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:46,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:46,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:43:46,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:46,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:46,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:46,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:46,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:46,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:43:46,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:43:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:46,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:46,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:46,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:46,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:46,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:43:46,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:46,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:46,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:46,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:46,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:43:46,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:43:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:46,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:46,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:46,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:46,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:46,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:43:46,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:46,162 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:46,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:46,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:43:46,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:43:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:46,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:46,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:46,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:46,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:46,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:43:46,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:46,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:46,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:46,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:46,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:46,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:43:46,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 08:43:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:46,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:46,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:46,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:46,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:46,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:46,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:46,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:46,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:46,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:46,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:46,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:46,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 08:43:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:46,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:46,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:46,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:46,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:46,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:46,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:46,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:46,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:43:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:43:46,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484115699] [2020-09-25 08:43:46,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:43:46,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 08:43:46,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626770119] [2020-09-25 08:43:46,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 08:43:46,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:43:46,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 08:43:46,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 08:43:46,213 INFO L87 Difference]: Start difference. First operand 224 states and 242 transitions. Second operand 4 states. [2020-09-25 08:43:46,848 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:47,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:43:47,571 INFO L93 Difference]: Finished difference Result 326 states and 365 transitions. [2020-09-25 08:43:47,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 08:43:47,571 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 08:43:47,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:43:47,576 INFO L225 Difference]: With dead ends: 326 [2020-09-25 08:43:47,576 INFO L226 Difference]: Without dead ends: 248 [2020-09-25 08:43:47,578 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:43:47,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-09-25 08:43:47,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 214. [2020-09-25 08:43:47,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-09-25 08:43:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 229 transitions. [2020-09-25 08:43:47,621 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 229 transitions. Word has length 143 [2020-09-25 08:43:47,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:43:47,622 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 229 transitions. [2020-09-25 08:43:47,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 08:43:47,622 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 229 transitions. [2020-09-25 08:43:47,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-25 08:43:47,625 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:43:47,625 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 08:43:47,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 08:43:47,625 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:43:47,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:43:47,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1574962431, now seen corresponding path program 1 times [2020-09-25 08:43:47,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:43:47,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [907920293] [2020-09-25 08:43:47,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:43:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:47,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:48,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:52,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:52,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 08:43:52,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 08:43:52,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-09-25 08:43:52,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:52,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:52,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:43:52,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 08:43:52,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 08:43:52,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:53,206 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:43:53,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:43:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:53,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:53,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:53,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:43:53,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:53,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-25 08:43:53,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:53,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:53,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:53,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:53,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 08:43:53,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:53,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:43:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:53,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:53,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:53,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:53,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:53,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:43:53,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:53,656 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:43:53,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:53,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:43:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:53,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:53,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:53,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:53,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:43:53,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:53,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:53,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:53,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:53,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:43:53,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:53,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:43:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:53,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:53,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:53,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:53,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:53,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 08:43:53,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:53,701 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:43:53,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:53,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:43:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:53,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:53,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:53,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:43:53,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:53,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:43:53,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:53,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:53,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:43:53,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:43:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:43:53,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 08:43:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:53,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:53,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:53,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:53,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:53,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:53,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:53,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:53,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:53,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:53,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:53,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:53,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-25 08:43:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:53,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:53,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:43:53,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:43:53,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:43:53,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:43:53,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:43:53,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:43:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:43:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 08:43:53,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:43:53,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:43:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:43:53,760 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [907920293] [2020-09-25 08:43:53,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:43:53,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 08:43:53,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716283260] [2020-09-25 08:43:53,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 08:43:53,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:43:53,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 08:43:53,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 08:43:53,765 INFO L87 Difference]: Start difference. First operand 214 states and 229 transitions. Second operand 5 states. [2020-09-25 08:43:54,277 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:43:55,090 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 08:43:56,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:43:56,457 INFO L93 Difference]: Finished difference Result 549 states and 632 transitions. [2020-09-25 08:43:56,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 08:43:56,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2020-09-25 08:43:56,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:43:56,464 INFO L225 Difference]: With dead ends: 549 [2020-09-25 08:43:56,464 INFO L226 Difference]: Without dead ends: 445 [2020-09-25 08:43:56,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 08:43:56,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-09-25 08:43:56,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 382. [2020-09-25 08:43:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2020-09-25 08:43:56,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 426 transitions. [2020-09-25 08:43:56,548 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 426 transitions. Word has length 152 [2020-09-25 08:43:56,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:43:56,549 INFO L479 AbstractCegarLoop]: Abstraction has 382 states and 426 transitions. [2020-09-25 08:43:56,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 08:43:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 426 transitions. [2020-09-25 08:43:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 08:43:56,552 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 08:43:56,553 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] [2020-09-25 08:43:56,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 08:43:56,553 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 08:43:56,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 08:43:56,553 INFO L82 PathProgramCache]: Analyzing trace with hash 446639774, now seen corresponding path program 1 times [2020-09-25 08:43:56,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 08:43:56,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1138130018] [2020-09-25 08:43:56,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 08:43:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:43:56,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:57,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:57,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:43:58,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:01,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:01,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 08:44:01,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 08:44:01,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 08:44:01,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:01,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 08:44:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 08:44:01,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-25 08:44:01,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:01,930 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:01,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 08:44:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:01,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:02,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:02,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 08:44:02,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:02,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 08:44:02,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:02,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:02,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:02,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:44:02,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 08:44:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:02,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:02,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:02,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:02,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:02,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:44:02,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:02,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:02,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:44:02,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 08:44:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:02,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:02,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:02,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:02,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:44:02,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:02,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:02,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:02,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:44:02,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 08:44:02,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:02,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:02,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:02,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:02,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 08:44:02,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:02,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:02,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:02,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:44:02,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 08:44:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:02,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:02,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:02,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:02,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:02,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 08:44:02,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:02,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 08:44:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:02,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 08:44:02,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:02,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-25 08:44:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:02,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:02,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:02,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:02,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 08:44:02,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 08:44:02,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 08:44:02,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:02,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 08:44:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 08:44:02,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 08:44:02,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 08:44:02,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 08:44:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:02,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:02,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:02,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 08:44:02,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:02,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:02,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:02,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:02,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:02,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:02,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 08:44:02,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:02,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 08:44:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:02,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:02,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:02,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:02,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 08:44:02,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:02,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:02,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 08:44:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:44:02,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:02,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 08:44:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 08:44:02,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 08:44:02,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 08:44:02,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 08:44:02,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 08:44:02,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 08:44:02,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 08:44:02,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 1.0 [2020-09-25 08:44:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 08:44:02,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 08:44:02,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 08:44:02,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 08:44:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 08:44:02,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1138130018] [2020-09-25 08:44:02,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 08:44:02,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 08:44:02,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350249497] [2020-09-25 08:44:02,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 08:44:02,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 08:44:02,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 08:44:02,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-09-25 08:44:02,256 INFO L87 Difference]: Start difference. First operand 382 states and 426 transitions. Second operand 10 states. [2020-09-25 08:44:02,928 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:04,007 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:04,612 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 08:44:04,943 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:05,301 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 08:44:05,599 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:05,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 08:44:05,707 INFO L93 Difference]: Finished difference Result 618 states and 718 transitions. [2020-09-25 08:44:05,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 08:44:05,708 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2020-09-25 08:44:05,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 08:44:05,709 INFO L225 Difference]: With dead ends: 618 [2020-09-25 08:44:05,709 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 08:44:05,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2020-09-25 08:44:05,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 08:44:05,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 08:44:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 08:44:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 08:44:05,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2020-09-25 08:44:05,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 08:44:05,716 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 08:44:05,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 08:44:05,717 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 08:44:05,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 08:44:05,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 08:44:05,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 08:44:05,910 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:06,077 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:06,239 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:06,399 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:06,557 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:06,716 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:06,877 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:07,035 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:07,294 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:07,631 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:07,959 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:08,208 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:08,336 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 08:44:08,446 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 08:44:08,597 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:08,748 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:08,887 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 08:44:09,036 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:09,186 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:09,334 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:09,478 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:09,624 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:09,773 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:09,923 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:10,078 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:10,228 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:10,377 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:10,527 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:10,675 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:10,838 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:10,982 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:11,130 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:11,279 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:11,429 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:11,577 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:11,726 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:11,875 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:12,024 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:12,168 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:12,317 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:12,420 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 08:44:12,568 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:12,711 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:12,860 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:13,015 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:13,173 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:13,277 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 8 [2020-09-25 08:44:13,432 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:13,576 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:13,726 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:13,876 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:14,113 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:14,429 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:14,753 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 08:44:14,986 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 186 [2020-09-25 08:44:15,250 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:15,398 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:15,557 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:15,710 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:15,860 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:16,004 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 08:44:16,152 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 08:44:16,566 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 08:44:16,738 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:44:17,127 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 9 [2020-09-25 08:44:17,325 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-09-25 08:44:17,773 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 14 [2020-09-25 08:44:18,053 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:44:18,264 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 08:44:18,550 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184