/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=0.6 --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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:26:15,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:26:15,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:26:15,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:26:15,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:26:15,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:26:15,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:26:15,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:26:15,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:26:15,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:26:15,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:26:15,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:26:15,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:26:15,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:26:15,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:26:15,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:26:15,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:26:15,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:26:15,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:26:15,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:26:15,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:26:15,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:26:15,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:26:15,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:26:15,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:26:15,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:26:15,451 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:26:15,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:26:15,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:26:15,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:26:15,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:26:15,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:26:15,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:26:15,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:26:15,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:26:15,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:26:15,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:26:15,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:26:15,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:26:15,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:26:15,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:26:15,466 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 06:26:15,529 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:26:15,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:26:15,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:26:15,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:26:15,534 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:26:15,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:26:15,534 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 06:26:15,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:26:15,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 06:26:15,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:26:15,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:26:15,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:26:15,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:26:15,537 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 06:26:15,537 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:26:15,537 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:26:15,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:26:15,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:26:15,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:26:15,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:26:15,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:26:15,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:26:15,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:26:15,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:26:15,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:26:15,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:26:15,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:26:15,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:26:15,541 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:26:15,541 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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;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=0.6;log-additional-information=true; [2020-09-25 06:26:16,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:26:16,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:26:16,056 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:26:16,058 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:26:16,060 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:26:16,061 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-09-25 06:26:16,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/981d4a192/583b07dd64db403789953c8c9e1023de/FLAG2509a77d7 [2020-09-25 06:26:16,807 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:26:16,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product24.cil.c [2020-09-25 06:26:16,825 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/981d4a192/583b07dd64db403789953c8c9e1023de/FLAG2509a77d7 [2020-09-25 06:26:17,068 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/981d4a192/583b07dd64db403789953c8c9e1023de [2020-09-25 06:26:17,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:26:17,090 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:26:17,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:26:17,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:26:17,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:26:17,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:26:17" (1/1) ... [2020-09-25 06:26:17,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac45341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17, skipping insertion in model container [2020-09-25 06:26:17,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:26:17" (1/1) ... [2020-09-25 06:26:17,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:26:17,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:26:17,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:26:17,717 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:26:17,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:26:17,866 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:26:17,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17 WrapperNode [2020-09-25 06:26:17,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:26:17,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:26:17,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:26:17,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:26:17,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17" (1/1) ... [2020-09-25 06:26:17,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17" (1/1) ... [2020-09-25 06:26:17,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17" (1/1) ... [2020-09-25 06:26:17,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17" (1/1) ... [2020-09-25 06:26:17,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17" (1/1) ... [2020-09-25 06:26:17,952 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17" (1/1) ... [2020-09-25 06:26:17,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17" (1/1) ... [2020-09-25 06:26:17,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:26:17,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:26:17,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:26:17,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:26:17,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17" (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 06:26:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:26:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:26:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 06:26:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 06:26:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 06:26:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 06:26:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 06:26:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:26:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 06:26:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 06:26:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 06:26:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 06:26:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 06:26:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 06:26:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 06:26:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 06:26:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 06:26:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:26:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 06:26:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 06:26:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 06:26:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 06:26:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 06:26:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 06:26:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 06:26:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 06:26:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 06:26:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 06:26:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 06:26:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 06:26:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 06:26:18,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 06:26:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 06:26:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 06:26:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:26:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 06:26:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 06:26:18,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 06:26:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 06:26:18,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 06:26:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:26:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:26:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 06:26:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 06:26:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 06:26:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 06:26:18,054 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 06:26:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 06:26:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 06:26:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 06:26:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 06:26:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 06:26:18,055 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 06:26:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 06:26:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 06:26:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:26:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 06:26:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:26:18,056 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:26:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 06:26:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:26:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:26:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:26:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:26:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 06:26:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:26:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 06:26:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 06:26:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:26:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 06:26:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 06:26:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:26:18,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 06:26:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 06:26:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 06:26:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 06:26:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 06:26:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 06:26:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 06:26:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 06:26:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 06:26:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 06:26:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 06:26:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 06:26:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 06:26:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 06:26:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 06:26:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 06:26:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 06:26:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 06:26:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 06:26:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:26:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:26:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:26:19,341 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:26:19,342 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 06:26:19,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:26:19 BoogieIcfgContainer [2020-09-25 06:26:19,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:26:19,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:26:19,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:26:19,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:26:19,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:26:17" (1/3) ... [2020-09-25 06:26:19,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3a633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:26:19, skipping insertion in model container [2020-09-25 06:26:19,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:26:17" (2/3) ... [2020-09-25 06:26:19,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e3a633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:26:19, skipping insertion in model container [2020-09-25 06:26:19,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:26:19" (3/3) ... [2020-09-25 06:26:19,360 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product24.cil.c [2020-09-25 06:26:19,373 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:26:19,386 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:26:19,410 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:26:19,447 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:26:19,447 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:26:19,448 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:26:19,448 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:26:19,448 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:26:19,448 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:26:19,448 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:26:19,449 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:26:19,481 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states. [2020-09-25 06:26:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 06:26:19,501 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:19,503 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 06:26:19,503 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:19,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:19,512 INFO L82 PathProgramCache]: Analyzing trace with hash -55902763, now seen corresponding path program 1 times [2020-09-25 06:26:19,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:19,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722708020] [2020-09-25 06:26:19,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:20,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:20,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:21,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:22,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:24,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:24,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 06:26:24,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:26:24,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5060 [2020-09-25 06:26:24,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:24,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:24,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 06:26:24,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:24,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 06:26:25,511 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:25,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:25,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:25,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:25,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:25,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:25,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 160 [2020-09-25 06:26:25,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:25,691 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:25,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:25,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:25,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:25,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:25,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:25,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:25,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:25,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:25,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:25,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:25,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:25,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:25,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:25,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:25,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:25,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:25,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:25,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:25,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:25,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:25,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:25,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:25,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:25,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:25,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:25,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:26:25,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:25,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:25,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:25,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:25,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:25,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:26:25,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:25,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:25,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:25,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:25,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:26:25,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:25,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:25,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:25,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:25,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:25,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:25,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:25,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:25,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:25,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:25,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:25,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:25,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 06:26:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:25,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:25,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:25,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:25,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:25,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:25,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:25,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:25,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:25,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:26:25,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 06:26:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:25,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:25,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:25,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:25,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:25,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:25,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:25,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:25,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:25,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:25,880 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 06:26:25,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722708020] [2020-09-25 06:26:25,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:25,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 06:26:25,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575106502] [2020-09-25 06:26:25,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 06:26:25,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:25,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 06:26:25,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:26:25,930 INFO L87 Difference]: Start difference. First operand 310 states. Second operand 3 states. [2020-09-25 06:26:27,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:27,633 INFO L93 Difference]: Finished difference Result 488 states and 583 transitions. [2020-09-25 06:26:27,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 06:26:27,636 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 06:26:27,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:27,658 INFO L225 Difference]: With dead ends: 488 [2020-09-25 06:26:27,685 INFO L226 Difference]: Without dead ends: 303 [2020-09-25 06:26:27,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 06:26:27,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-09-25 06:26:27,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 259. [2020-09-25 06:26:27,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-09-25 06:26:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 282 transitions. [2020-09-25 06:26:27,809 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 282 transitions. Word has length 142 [2020-09-25 06:26:27,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:27,811 INFO L479 AbstractCegarLoop]: Abstraction has 259 states and 282 transitions. [2020-09-25 06:26:27,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 06:26:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 282 transitions. [2020-09-25 06:26:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 06:26:27,817 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:27,817 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 06:26:27,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:26:27,818 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:27,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:27,818 INFO L82 PathProgramCache]: Analyzing trace with hash -2092667990, now seen corresponding path program 1 times [2020-09-25 06:26:27,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:27,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1614074192] [2020-09-25 06:26:27,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:27,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:28,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:29,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:30,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:32,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:32,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 06:26:32,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:26:32,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 06:26:32,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:32,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 06:26:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:26:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,264 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:33,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:33,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 06:26:33,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:33,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:33,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:33,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:33,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:33,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:33,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,451 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:33,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:33,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:33,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 06:26:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:33,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:33,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,467 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:33,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 06:26:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:33,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:33,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:33,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:33,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:33,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:33,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:33,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:33,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:33,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:33,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:33,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:26:33,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1614074192] [2020-09-25 06:26:33,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:33,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 06:26:33,556 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855727080] [2020-09-25 06:26:33,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 06:26:33,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:33,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 06:26:33,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 06:26:33,561 INFO L87 Difference]: Start difference. First operand 259 states and 282 transitions. Second operand 4 states. [2020-09-25 06:26:34,191 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 06:26:35,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:35,179 INFO L93 Difference]: Finished difference Result 395 states and 446 transitions. [2020-09-25 06:26:35,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 06:26:35,180 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 06:26:35,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:35,186 INFO L225 Difference]: With dead ends: 395 [2020-09-25 06:26:35,187 INFO L226 Difference]: Without dead ends: 286 [2020-09-25 06:26:35,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:26:35,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-25 06:26:35,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 249. [2020-09-25 06:26:35,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-09-25 06:26:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 269 transitions. [2020-09-25 06:26:35,257 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 269 transitions. Word has length 143 [2020-09-25 06:26:35,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:35,257 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 269 transitions. [2020-09-25 06:26:35,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 06:26:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 269 transitions. [2020-09-25 06:26:35,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 06:26:35,260 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:35,260 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] [2020-09-25 06:26:35,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:26:35,261 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:35,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:35,261 INFO L82 PathProgramCache]: Analyzing trace with hash -747836850, now seen corresponding path program 1 times [2020-09-25 06:26:35,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:35,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [47140925] [2020-09-25 06:26:35,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:35,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:35,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:36,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:37,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:40,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:40,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 06:26:40,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:26:40,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-25 06:26:40,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:40,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 06:26:40,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:26:40,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:40,648 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:40,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:40,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:40,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:40,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:40,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:40,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 127 [2020-09-25 06:26:40,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:40,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:40,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:40,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:40,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:26:40,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:40,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:40,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:40,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:40,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:26:40,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:40,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:40,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:40,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:40,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:40,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:40,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:40,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:40,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:40,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:40,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:40,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:40,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:40,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:40,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:40,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:40,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:40,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:40,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:40,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:40,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 06:26:40,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:40,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:40,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:40,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:40,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:40,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:40,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:40,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:40,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:40,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:40,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:40,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:40,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:40,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:40,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 06:26:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:40,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:40,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:40,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:26:40,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:26:40,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:40,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:40,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:26:40,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 06:26:40,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 06:26:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:40,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:40,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:40,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:40,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:40,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:40,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:40,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:40,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:40,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:40,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 06:26:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:40,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:40,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:40,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:40,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:40,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 06:26:40,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:40,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 06:26:40,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:40,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:40,977 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 06:26:40,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [47140925] [2020-09-25 06:26:40,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:40,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:26:40,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974781097] [2020-09-25 06:26:40,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:26:40,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:40,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:26:40,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:26:40,984 INFO L87 Difference]: Start difference. First operand 249 states and 269 transitions. Second operand 5 states. [2020-09-25 06:26:41,647 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:43,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:43,621 INFO L93 Difference]: Finished difference Result 597 states and 694 transitions. [2020-09-25 06:26:43,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:26:43,623 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 06:26:43,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:43,631 INFO L225 Difference]: With dead ends: 597 [2020-09-25 06:26:43,631 INFO L226 Difference]: Without dead ends: 458 [2020-09-25 06:26:43,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:26:43,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2020-09-25 06:26:43,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 378. [2020-09-25 06:26:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-09-25 06:26:43,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 419 transitions. [2020-09-25 06:26:43,722 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 419 transitions. Word has length 156 [2020-09-25 06:26:43,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:43,723 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 419 transitions. [2020-09-25 06:26:43,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:26:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 419 transitions. [2020-09-25 06:26:43,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-25 06:26:43,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:26:43,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:26:43,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:26:43,730 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:26:43,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:26:43,730 INFO L82 PathProgramCache]: Analyzing trace with hash 2002058177, now seen corresponding path program 1 times [2020-09-25 06:26:43,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:26:43,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2036212945] [2020-09-25 06:26:43,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:26:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:43,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:44,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:45,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:47,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:48,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:48,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-25 06:26:48,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 06:26:48,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-25 06:26:48,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:48,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:48,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 06:26:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 06:26:48,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-09-25 06:26:48,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:49,135 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:26:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:49,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:49,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:49,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 06:26:49,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:49,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 06:26:49,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:49,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:49,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:49,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:49,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:49,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:26:49,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 06:26:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:49,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:49,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:49,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:49,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:49,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:49,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:49,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:49,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:49,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:49,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 06:26:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:49,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:49,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:49,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:49,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:49,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 06:26:49,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:49,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:49,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:49,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:49,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:49,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:49,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 06:26:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:49,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:49,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:49,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:49,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:49,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:49,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:49,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:49,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:49,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:49,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 06:26:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:49,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:49,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:49,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 06:26:49,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:49,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 06:26:49,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:49,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:49,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:26:49,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:49,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:26:49,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:49,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 06:26:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:49,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:49,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:49,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 06:26:49,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:49,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 06:26:49,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:49,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:49,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:26:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:49,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 06:26:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:49,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:49,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:49,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:49,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:49,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 06:26:49,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:49,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:26:49,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:49,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:26:49,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:49,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 06:26:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:26:49,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:26:49,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:26:49,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:26:49,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:26:49,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 06:26:49,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:26:49,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-09-25 06:26:49,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 06:26:49,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:26:49,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 06:26:49,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:26:49,432 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 06:26:49,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2036212945] [2020-09-25 06:26:49,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:26:49,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 06:26:49,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843524289] [2020-09-25 06:26:49,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 06:26:49,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:26:49,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 06:26:49,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 06:26:49,435 INFO L87 Difference]: Start difference. First operand 378 states and 419 transitions. Second operand 9 states. [2020-09-25 06:26:49,925 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:51,495 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 188 [2020-09-25 06:26:52,078 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 190 [2020-09-25 06:26:52,374 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:52,675 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 06:26:52,953 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:53,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:26:53,119 INFO L93 Difference]: Finished difference Result 587 states and 686 transitions. [2020-09-25 06:26:53,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:26:53,120 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-25 06:26:53,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:26:53,122 INFO L225 Difference]: With dead ends: 587 [2020-09-25 06:26:53,122 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:26:53,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-25 06:26:53,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:26:53,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:26:53,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:26:53,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:26:53,125 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-25 06:26:53,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:26:53,125 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:26:53,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 06:26:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:26:53,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:26:53,126 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:26:53,128 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:26:53,281 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:26:53,455 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:53,612 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:53,778 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:53,950 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:54,107 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:54,260 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:54,386 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:26:54,533 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:54,688 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:55,024 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:26:55,264 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 06:26:55,585 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:26:55,901 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:26:56,069 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:56,213 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:56,508 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:56,804 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:57,096 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-25 06:26:57,238 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 06:26:57,390 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:57,539 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:57,683 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:57,832 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:57,979 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:58,135 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:58,283 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:58,433 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:58,582 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:58,726 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:58,876 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:59,024 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:59,173 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:59,316 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:26:59,464 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:59,566 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 6 [2020-09-25 06:26:59,716 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:26:59,877 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:00,021 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:00,169 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:00,318 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:00,463 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:00,612 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:00,972 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:01,124 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:01,275 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:01,425 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:01,675 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:01,999 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:27:02,234 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 186 [2020-09-25 06:27:02,561 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:27:02,875 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-25 06:27:03,023 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:03,168 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:03,316 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:03,465 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:03,626 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:03,771 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:03,919 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:04,067 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:04,212 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 06:27:04,361 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:04,509 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 06:27:04,895 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 06:27:05,063 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 20 [2020-09-25 06:27:05,295 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-09-25 06:27:05,706 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 7 [2020-09-25 06:27:06,105 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 11