/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=SHALLOWEST --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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:37:16,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:37:16,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:37:16,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:37:16,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:37:16,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:37:16,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:37:16,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:37:16,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:37:16,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:37:16,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:37:16,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:37:16,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:37:16,815 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:37:16,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:37:16,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:37:16,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:37:16,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:37:16,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:37:16,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:37:16,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:37:16,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:37:16,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:37:16,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:37:16,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:37:16,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:37:16,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:37:16,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:37:16,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:37:16,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:37:16,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:37:16,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:37:16,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:37:16,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:37:16,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:37:16,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:37:16,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:37:16,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:37:16,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:37:16,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:37:16,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:37:16,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 23:37:16,870 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:37:16,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:37:16,872 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:37:16,872 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:37:16,872 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:37:16,872 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:37:16,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:37:16,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:37:16,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:37:16,873 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:37:16,873 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:37:16,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:37:16,874 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:37:16,874 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:37:16,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:37:16,874 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:37:16,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:37:16,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:37:16,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:37:16,875 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:37:16,875 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:37:16,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:37:16,876 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:37:16,876 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:37:16,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:37:16,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:37:16,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:37:16,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:37:16,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:37:16,877 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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;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=SHALLOWEST;log-additional-information=true; [2020-09-24 23:37:17,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:37:17,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:37:17,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:37:17,379 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:37:17,380 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:37:17,381 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-09-24 23:37:17,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41890ddd0/1a53bbc65acc4761884888e693c051f6/FLAG4db1a1bb0 [2020-09-24 23:37:18,115 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:37:18,116 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-09-24 23:37:18,131 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41890ddd0/1a53bbc65acc4761884888e693c051f6/FLAG4db1a1bb0 [2020-09-24 23:37:18,380 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/41890ddd0/1a53bbc65acc4761884888e693c051f6 [2020-09-24 23:37:18,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:37:18,402 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:37:18,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:37:18,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:37:18,409 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:37:18,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:37:18" (1/1) ... [2020-09-24 23:37:18,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af20ea9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:18, skipping insertion in model container [2020-09-24 23:37:18,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:37:18" (1/1) ... [2020-09-24 23:37:18,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:37:18,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:37:18,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:37:19,008 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:37:19,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:37:19,163 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:37:19,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:19 WrapperNode [2020-09-24 23:37:19,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:37:19,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:37:19,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:37:19,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:37:19,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:19" (1/1) ... [2020-09-24 23:37:19,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:19" (1/1) ... [2020-09-24 23:37:19,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:19" (1/1) ... [2020-09-24 23:37:19,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:19" (1/1) ... [2020-09-24 23:37:19,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:19" (1/1) ... [2020-09-24 23:37:19,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:19" (1/1) ... [2020-09-24 23:37:19,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:19" (1/1) ... [2020-09-24 23:37:19,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:37:19,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:37:19,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:37:19,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:37:19,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:37:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:37:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:37:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:37:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:37:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:37:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:37:19,361 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:37:19,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:37:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:37:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:37:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:37:19,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:37:19,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:37:19,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:37:19,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:37:19,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:37:19,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:37:19,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:37:19,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:37:19,365 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:37:19,365 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:37:19,366 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 23:37:19,366 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:37:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-24 23:37:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:37:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:37:19,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:37:19,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:37:19,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:37:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 23:37:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:37:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:37:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:37:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:37:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:37:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:37:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 23:37:19,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:37:19,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:37:19,372 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:37:19,373 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:37:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:37:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:37:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:37:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:37:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:37:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:37:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:37:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:37:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:37:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:37:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:37:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:37:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:37:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:37:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:37:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:37:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:37:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:37:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:37:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:37:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:37:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:37:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:37:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:37:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:37:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:37:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 23:37:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:37:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:37:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:37:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:37:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:37:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:37:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:37:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 23:37:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:37:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 23:37:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:37:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-24 23:37:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:37:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:37:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:37:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:37:19,383 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:37:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:37:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:37:19,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:37:20,506 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:37:20,507 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:37:20,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:37:20 BoogieIcfgContainer [2020-09-24 23:37:20,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:37:20,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:37:20,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:37:20,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:37:20,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:37:18" (1/3) ... [2020-09-24 23:37:20,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a284a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:37:20, skipping insertion in model container [2020-09-24 23:37:20,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:37:19" (2/3) ... [2020-09-24 23:37:20,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a284a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:37:20, skipping insertion in model container [2020-09-24 23:37:20,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:37:20" (3/3) ... [2020-09-24 23:37:20,524 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-09-24 23:37:20,537 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:37:20,548 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:37:20,572 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:37:20,611 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:37:20,611 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:37:20,611 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:37:20,611 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:37:20,612 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:37:20,612 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:37:20,612 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:37:20,612 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:37:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states. [2020-09-24 23:37:20,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 23:37:20,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:37:20,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:37:20,664 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:37:20,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:37:20,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1699265517, now seen corresponding path program 1 times [2020-09-24 23:37:20,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:37:20,686 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528817514] [2020-09-24 23:37:20,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:37:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:21,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:21,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:23,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:24,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:26,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:26,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 23:37:26,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 23:37:26,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5059 [2020-09-24 23:37:26,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:26,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:37:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 23:37:26,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 23:37:26,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-09-24 23:37:26,726 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:37:26,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:37:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:26,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:27,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:27,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:37:27,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:27,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 349 [2020-09-24 23:37:27,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:27,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:27,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:27,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 23:37:27,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:27,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:37:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:27,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:27,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:27,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:27,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:27,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:37:27,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:27,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:27,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:27,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:27,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:27,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:37:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:27,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:27,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:27,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:27,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:27,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:37:27,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:27,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:27,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:27,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:27,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:27,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:37:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:27,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:27,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:27,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:27,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:27,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:37:27,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:27,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:27,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:27,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:27,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:37:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:27,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:27,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:27,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:27,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:27,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:37:27,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:27,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:27,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:27,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:37:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:27,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:27,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:27,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:27,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:27,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:37:27,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:27,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:37:27,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:27,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:27,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:27,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 23:37:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:27,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:27,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:27,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:27,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:27,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:27,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:27,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:37:27,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:27,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:37:27,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528817514] [2020-09-24 23:37:27,374 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:37:27,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:37:27,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325993762] [2020-09-24 23:37:27,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:37:27,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:37:27,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:37:27,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:37:27,409 INFO L87 Difference]: Start difference. First operand 283 states. Second operand 8 states. [2020-09-24 23:37:28,082 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:37:29,056 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:37:29,395 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:29,880 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:37:30,300 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:37:30,662 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:31,039 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:37:31,392 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:37:33,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:37:33,069 INFO L93 Difference]: Finished difference Result 530 states and 655 transitions. [2020-09-24 23:37:33,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 23:37:33,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 23:37:33,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:37:33,095 INFO L225 Difference]: With dead ends: 530 [2020-09-24 23:37:33,095 INFO L226 Difference]: Without dead ends: 368 [2020-09-24 23:37:33,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 23:37:33,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-09-24 23:37:33,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 326. [2020-09-24 23:37:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-09-24 23:37:33,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 366 transitions. [2020-09-24 23:37:33,271 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 366 transitions. Word has length 142 [2020-09-24 23:37:33,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:37:33,272 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 366 transitions. [2020-09-24 23:37:33,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:37:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 366 transitions. [2020-09-24 23:37:33,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 23:37:33,290 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:37:33,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:37:33,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:37:33,291 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:37:33,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:37:33,292 INFO L82 PathProgramCache]: Analyzing trace with hash 359727385, now seen corresponding path program 1 times [2020-09-24 23:37:33,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:37:33,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738136727] [2020-09-24 23:37:33,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:37:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:33,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:33,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:34,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:38,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:38,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 23:37:38,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 23:37:38,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-24 23:37:38,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 23:37:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 23:37:38,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-09-24 23:37:38,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:38,768 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:37:38,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:37:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:38,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:39,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:39,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:37:39,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:39,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 247 [2020-09-24 23:37:39,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:39,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:39,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 23:37:39,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:39,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:37:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:39,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:39,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:39,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:39,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:39,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:39,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:39,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:39,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:39,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:37:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:39,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:39,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:39,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:39,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:39,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:39,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:39,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:39,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:39,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:39,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:39,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:37:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:39,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:39,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:39,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:39,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:39,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:37:39,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:39,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:39,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:39,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:39,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:39,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:37:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:39,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:39,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:39,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:39,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:39,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:39,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:39,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:39,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:39,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 23:37:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:39,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:39,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:39,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:37:39,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:39,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:37:39,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 23:37:39,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:39,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:39,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 23:37:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:39,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:39,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:39,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:39,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:39,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:37:39,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:39,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:37:39,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:39,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:39,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 23:37:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:39,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:39,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:39,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:39,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:39,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:37:39,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:39,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:37:39,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:39,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:37:39,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738136727] [2020-09-24 23:37:39,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:37:39,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 23:37:39,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921352711] [2020-09-24 23:37:39,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 23:37:39,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:37:39,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 23:37:39,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 23:37:39,219 INFO L87 Difference]: Start difference. First operand 326 states and 366 transitions. Second operand 5 states. [2020-09-24 23:37:39,706 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:37:40,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:37:40,398 INFO L93 Difference]: Finished difference Result 503 states and 594 transitions. [2020-09-24 23:37:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 23:37:40,399 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 23:37:40,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:37:40,403 INFO L225 Difference]: With dead ends: 503 [2020-09-24 23:37:40,404 INFO L226 Difference]: Without dead ends: 276 [2020-09-24 23:37:40,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:37:40,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-09-24 23:37:40,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 254. [2020-09-24 23:37:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2020-09-24 23:37:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 272 transitions. [2020-09-24 23:37:40,458 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 272 transitions. Word has length 148 [2020-09-24 23:37:40,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:37:40,459 INFO L479 AbstractCegarLoop]: Abstraction has 254 states and 272 transitions. [2020-09-24 23:37:40,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 23:37:40,460 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 272 transitions. [2020-09-24 23:37:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 23:37:40,462 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:37:40,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:37:40,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:37:40,463 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:37:40,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:37:40,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1375484295, now seen corresponding path program 1 times [2020-09-24 23:37:40,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:37:40,464 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1751805228] [2020-09-24 23:37:40,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:37:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:40,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:40,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:41,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:42,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:45,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:45,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 23:37:45,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 23:37:45,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-09-24 23:37:45,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:45,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 23:37:45,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 23:37:45,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 23:37:45,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:45,939 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:37:45,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:37:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:46,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:46,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:46,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 23:37:46,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:46,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-24 23:37:46,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:46,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 23:37:46,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:46,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 23:37:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:46,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:46,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:46,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:46,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:46,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:46,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:37:46,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 23:37:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:46,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:46,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:46,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:46,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:46,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:46,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:46,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:46,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:46,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 23:37:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:46,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:46,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:46,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:46,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:46,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:37:46,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:46,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:46,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:46,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 23:37:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:46,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:46,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:46,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:37:46,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:46,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:46,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:46,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:37:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:46,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 23:37:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:46,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:46,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:46,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:37:46,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:46,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 23:37:46,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:46,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:37:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:37:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:37:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:46,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 23:37:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:46,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:46,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:46,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:37:46,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:46,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:37:46,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:46,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:37:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:46,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:37:46,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 23:37:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:46,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:46,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:46,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:46,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:46,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:37:46,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:37:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:37:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:37:46,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:46,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 23:37:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:37:46,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:37:46,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:37:46,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:37:46,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:37:46,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:37:46,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:37:46,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:37:46,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:37:46,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:37:46,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:37:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 23:37:46,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1751805228] [2020-09-24 23:37:46,627 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:37:46,627 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 23:37:46,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300952309] [2020-09-24 23:37:46,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 23:37:46,628 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:37:46,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 23:37:46,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 23:37:46,629 INFO L87 Difference]: Start difference. First operand 254 states and 272 transitions. Second operand 12 states. [2020-09-24 23:37:47,458 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 23:37:48,662 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 23:37:49,045 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:49,469 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:49,817 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:37:50,166 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:37:50,776 INFO L93 Difference]: Finished difference Result 394 states and 454 transitions. [2020-09-24 23:37:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 23:37:50,777 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-09-24 23:37:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:37:50,778 INFO L225 Difference]: With dead ends: 394 [2020-09-24 23:37:50,778 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 23:37:50,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-09-24 23:37:50,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 23:37:50,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 23:37:50,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 23:37:50,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 23:37:50,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 23:37:50,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:37:50,784 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 23:37:50,784 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 23:37:50,784 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 23:37:50,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 23:37:50,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:37:50,788 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 23:37:50,996 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:51,165 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:51,368 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:51,533 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:51,707 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:51,931 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:37:52,089 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:52,250 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:52,408 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:52,566 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:52,724 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:52,887 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:53,049 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:53,209 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:53,371 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:53,511 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:37:53,668 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:37:53,826 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:54,163 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:37:54,321 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:54,641 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:37:54,809 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:54,963 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:55,118 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:37:55,272 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:55,425 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:55,578 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:55,741 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:55,894 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:56,052 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:56,209 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:56,363 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:56,517 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:56,677 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:56,831 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:56,988 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:57,145 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:57,301 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:37:57,455 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:57,629 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:57,790 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:57,948 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:58,101 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:58,258 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:37:58,575 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:37:58,893 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:37:59,048 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:59,377 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 23:37:59,535 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:37:59,865 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 23:38:00,187 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 23:38:00,341 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:00,495 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:00,652 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:00,808 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:01,125 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:01,278 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:01,595 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 23:38:01,756 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:01,913 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:02,066 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:02,218 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:02,376 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:02,535 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:02,688 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:02,937 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:03,090 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:03,244 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 23:38:03,403 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:03,561 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:03,719 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:03,872 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:04,033 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:04,190 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:04,353 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:04,516 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:04,668 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:04,827 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:04,979 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:05,137 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:05,294 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:05,449 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:05,610 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:05,771 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:38:05,925 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:06,079 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:06,231 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:06,384 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:38:06,872 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 23:38:07,150 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 23:38:07,425 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 23:38:08,006 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 16 [2020-09-24 23:38:08,493 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 23:38:08,788 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 23:38:09,279 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 23:38:09,518 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 23:38:10,033 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 23:38:10,266 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 23:38:10,532 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 23:38:11,077 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 23:38:11,349 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22