/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=HIGHLEXORDER --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_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:26:40,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:26:40,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:26:40,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:26:40,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:26:40,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:26:40,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:26:40,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:26:40,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:26:40,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:26:40,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:26:40,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:26:40,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:26:40,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:26:40,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:26:40,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:26:40,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:26:40,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:26:40,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:26:40,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:26:40,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:26:40,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:26:40,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:26:40,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:26:40,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:26:40,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:26:40,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:26:40,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:26:40,419 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:26:40,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:26:40,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:26:40,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:26:40,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:26:40,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:26:40,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:26:40,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:26:40,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:26:40,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:26:40,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:26:40,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:26:40,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:26:40,437 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 22:26:40,488 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:26:40,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:26:40,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:26:40,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:26:40,491 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:26:40,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:26:40,491 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:26:40,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:26:40,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:26:40,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:26:40,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:26:40,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:26:40,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:26:40,494 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:26:40,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:26:40,496 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:26:40,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:26:40,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:26:40,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:26:40,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:26:40,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:26:40,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:26:40,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:26:40,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:26:40,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:26:40,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:26:40,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:26:40,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:26:40,498 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:26:40,499 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:26:40,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:26:41,011 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:26:41,016 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:26:41,017 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:26:41,018 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:26:41,019 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-09-24 22:26:41,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97d08465f/2f86a2ede3834d1c9c6412264f6d1ca4/FLAG1fe201e7d [2020-09-24 22:26:41,751 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:26:41,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2020-09-24 22:26:41,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97d08465f/2f86a2ede3834d1c9c6412264f6d1ca4/FLAG1fe201e7d [2020-09-24 22:26:42,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/97d08465f/2f86a2ede3834d1c9c6412264f6d1ca4 [2020-09-24 22:26:42,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:26:42,037 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:26:42,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:26:42,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:26:42,043 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:26:42,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:26:42" (1/1) ... [2020-09-24 22:26:42,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42, skipping insertion in model container [2020-09-24 22:26:42,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:26:42" (1/1) ... [2020-09-24 22:26:42,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:26:42,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:26:42,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:26:42,739 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:26:42,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:26:42,943 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:26:42,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42 WrapperNode [2020-09-24 22:26:42,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:26:42,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:26:42,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:26:42,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:26:42,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42" (1/1) ... [2020-09-24 22:26:42,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42" (1/1) ... [2020-09-24 22:26:43,012 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42" (1/1) ... [2020-09-24 22:26:43,013 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42" (1/1) ... [2020-09-24 22:26:43,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42" (1/1) ... [2020-09-24 22:26:43,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42" (1/1) ... [2020-09-24 22:26:43,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42" (1/1) ... [2020-09-24 22:26:43,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:26:43,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:26:43,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:26:43,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:26:43,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42" (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 22:26:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:26:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:26:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:26:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:26:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:26:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:26:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:26:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:26:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:26:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:26:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:26:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:26:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:26:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:26:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:26:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:26:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 22:26:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:26:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:26:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 22:26:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:26:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:26:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:26:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:26:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:26:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:26:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:26:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:26:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:26:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:26:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:26:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:26:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:26:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:26:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:26:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:26:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:26:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:26:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 22:26:43,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 22:26:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:26:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:26:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:26:43,200 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:26:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:26:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:26:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:26:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:26:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:26:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:26:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:26:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:26:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:26:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:26:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:26:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:26:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:26:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:26:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:26:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:26:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:26:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:26:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:26:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:26:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:26:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:26:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:26:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:26:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 22:26:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:26:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:26:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:26:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:26:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:26:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:26:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:26:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:26:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:26:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:26:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:26:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:26:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:26:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 22:26:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:26:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 22:26:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:26:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-24 22:26:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:26:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 22:26:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:26:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:26:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:26:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:26:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:26:44,502 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:26:44,502 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:26:44,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:26:44 BoogieIcfgContainer [2020-09-24 22:26:44,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:26:44,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:26:44,511 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:26:44,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:26:44,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:26:42" (1/3) ... [2020-09-24 22:26:44,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1559513d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:26:44, skipping insertion in model container [2020-09-24 22:26:44,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:26:42" (2/3) ... [2020-09-24 22:26:44,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1559513d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:26:44, skipping insertion in model container [2020-09-24 22:26:44,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:26:44" (3/3) ... [2020-09-24 22:26:44,520 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2020-09-24 22:26:44,533 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:26:44,545 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:26:44,569 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:26:44,601 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:26:44,602 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:26:44,602 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:26:44,602 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:26:44,602 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:26:44,602 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:26:44,602 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:26:44,602 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:26:44,632 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-09-24 22:26:44,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 22:26:44,651 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:26:44,652 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 22:26:44,653 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:26:44,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:26:44,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1778587784, now seen corresponding path program 1 times [2020-09-24 22:26:44,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:26:44,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [88941904] [2020-09-24 22:26:44,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:26:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:45,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:45,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:45,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:47,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:48,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:50,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:50,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 22:26:50,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:26:50,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-24 22:26:50,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:50,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:26:50,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 145 [2020-09-24 22:26:50,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:26:50,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 22:26:50,665 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:26:50,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:26:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:50,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:50,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:50,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:26:50,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:50,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 169 [2020-09-24 22:26:50,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:50,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:50,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:50,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:26:50,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:26:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:50,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:50,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:50,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:26:50,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:50,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:26:50,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:50,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:50,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:26:50,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:26:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:50,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:50,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:50,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:26:50,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:50,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:26:50,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:50,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:50,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:26:51,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:26:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:51,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:51,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:51,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:26:51,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:51,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:26:51,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:51,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:51,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:51,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:51,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:26:51,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:26:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:51,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:51,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:51,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:26:51,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:51,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:26:51,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:51,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:26:51,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:26:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:51,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:51,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:51,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:26:51,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:51,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:26:51,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:26:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:51,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:26:51,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:26:51,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 22:26:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:51,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:51,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:51,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:26:51,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:51,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:26:51,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:51,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:26:51,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:51,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:26:51,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:26:51,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 22:26:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:51,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:51,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:26:51,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:26:51,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:26:51,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 22:26:51,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:26:51,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:26:51,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:26:51,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:26:51,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:26:51,154 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 22:26:51,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [88941904] [2020-09-24 22:26:51,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:26:51,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 22:26:51,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883945087] [2020-09-24 22:26:51,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 22:26:51,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:26:51,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 22:26:51,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 22:26:51,194 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 9 states. [2020-09-24 22:26:51,950 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:26:53,242 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:26:53,583 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:26:53,887 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:26:54,235 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:26:54,536 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:26:55,501 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:26:55,823 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:26:56,169 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:26:56,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:26:56,871 INFO L93 Difference]: Finished difference Result 611 states and 750 transitions. [2020-09-24 22:26:56,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 22:26:56,874 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-24 22:26:56,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:26:56,897 INFO L225 Difference]: With dead ends: 611 [2020-09-24 22:26:56,897 INFO L226 Difference]: Without dead ends: 416 [2020-09-24 22:26:56,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-24 22:26:56,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-09-24 22:26:57,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 366. [2020-09-24 22:26:57,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-09-24 22:26:57,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 410 transitions. [2020-09-24 22:26:57,068 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 410 transitions. Word has length 148 [2020-09-24 22:26:57,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:26:57,070 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 410 transitions. [2020-09-24 22:26:57,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 22:26:57,070 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 410 transitions. [2020-09-24 22:26:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-09-24 22:26:57,077 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:26:57,077 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:26:57,078 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:26:57,078 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:26:57,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:26:57,078 INFO L82 PathProgramCache]: Analyzing trace with hash -742706955, now seen corresponding path program 1 times [2020-09-24 22:26:57,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:26:57,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086062811] [2020-09-24 22:26:57,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:26:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:26:57,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:57,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:58,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:26:58,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-09-24 22:27:02,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:27:02,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-24 22:27:02,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 22:27:02,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-24 22:27:02,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-24 22:27:02,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:02,555 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:27:02,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:27:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:27:02,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 22:27:02,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:02,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:27:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:02,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:02,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:02,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:27:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:02,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:02,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:02,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:27:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:02,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:27:02,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:02,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:27:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:02,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:02,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:02,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:27:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:02,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:02,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:02,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:02,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:02,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:02,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:02,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:02,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-24 22:27:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:02,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:02,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:03,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:03,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:27:03,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:27:03,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 880 [2020-09-24 22:27:03,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:03,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:03,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 22:27:03,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:03,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 22:27:03,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:03,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:03,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:03,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:27:03,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:03,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-24 22:27:03,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:03,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:27:03,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:03,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:03,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:03,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:03,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:27:03,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:03,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 22:27:03,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:03,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 22:27:03,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:03,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:27:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:03,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:03,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:03,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:27:03,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:03,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:27:03,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:03,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:03,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:03,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:03,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:03,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:27:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:03,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:03,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:03,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:27:03,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:03,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 22:27:03,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:03,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:03,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:27:03,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:03,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:03,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:03,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:03,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:27:03,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:03,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:03,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:03,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:03,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:03,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:03,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:03,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:03,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:27:03,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:03,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:03,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:03,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:27:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:03,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:03,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:03,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:03,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:03,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:03,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:03,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:03,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:03,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:03,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:03,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 22:27:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:03,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:03,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:03,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:03,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:03,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:27:03,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:03,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:03,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:03,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:27:03,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:03,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-09-24 22:27:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:04,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:04,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:04,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:04,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:04,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:04,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:04,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:04,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:27:04,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:04,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:04,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:27:04,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086062811] [2020-09-24 22:27:04,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:27:04,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 22:27:04,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759828998] [2020-09-24 22:27:04,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 22:27:04,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:27:04,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 22:27:04,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:27:04,067 INFO L87 Difference]: Start difference. First operand 366 states and 410 transitions. Second operand 15 states. [2020-09-24 22:27:04,685 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:27:05,758 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:06,149 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:27:06,538 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:06,949 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:27:07,300 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:07,867 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:27:08,200 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:08,549 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:08,916 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:27:09,310 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 22:27:09,686 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:10,026 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:10,421 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:27:10,770 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:11,428 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:11,768 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:12,139 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:27:12,490 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:12,851 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:13,177 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:15,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:27:15,189 INFO L93 Difference]: Finished difference Result 1006 states and 1299 transitions. [2020-09-24 22:27:15,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-24 22:27:15,190 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 209 [2020-09-24 22:27:15,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:27:15,201 INFO L225 Difference]: With dead ends: 1006 [2020-09-24 22:27:15,201 INFO L226 Difference]: Without dead ends: 721 [2020-09-24 22:27:15,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=312, Invalid=1410, Unknown=0, NotChecked=0, Total=1722 [2020-09-24 22:27:15,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-09-24 22:27:15,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 594. [2020-09-24 22:27:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2020-09-24 22:27:15,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 677 transitions. [2020-09-24 22:27:15,306 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 677 transitions. Word has length 209 [2020-09-24 22:27:15,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:27:15,306 INFO L479 AbstractCegarLoop]: Abstraction has 594 states and 677 transitions. [2020-09-24 22:27:15,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 22:27:15,307 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 677 transitions. [2020-09-24 22:27:15,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-09-24 22:27:15,312 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:27:15,312 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:27:15,312 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:27:15,313 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:27:15,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:27:15,313 INFO L82 PathProgramCache]: Analyzing trace with hash 2068995148, now seen corresponding path program 1 times [2020-09-24 22:27:15,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:27:15,314 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [80866928] [2020-09-24 22:27:15,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:27:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:15,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:15,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:19,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:20,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:20,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:20,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-09-24 22:27:20,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 22:27:20,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-09-24 22:27:20,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 22:27:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-09-24 22:27:20,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-09-24 22:27:20,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:20,742 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 22:27:20,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:27:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:20,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:20,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:20,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 22:27:20,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-24 22:27:20,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:20,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:20,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 22:27:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:20,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:20,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:20,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:20,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:20,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:27:20,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:20,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:20,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:20,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:20,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:20,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 22:27:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:20,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:20,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:20,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:20,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:20,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:27:20,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:20,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:20,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:20,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:20,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:20,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 22:27:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:20,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:20,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:20,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:20,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:20,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:27:20,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:20,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 22:27:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:20,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:20,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:20,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:20,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:20,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 22:27:20,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:20,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:20,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 22:27:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:20,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:20,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:20,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:20,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:20,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:20,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:20,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:20,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:20,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 22:27:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:20,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:20,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:20,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 22:27:20,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:20,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:20,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:20,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:20,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:20,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 22:27:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:20,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:21,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:21,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:21,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-24 22:27:21,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:27:21,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 815 [2020-09-24 22:27:21,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:21,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 22:27:21,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:27:21,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:21,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:21,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:21,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:21,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 22:27:21,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:21,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 22:27:21,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:21,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:21,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 22:27:21,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:27:21,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:21,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:21,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:21,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:27:21,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:21,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 22:27:21,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:21,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:27:21,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:27:21,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:21,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:27:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:21,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:21,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:21,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:27:21,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:21,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 22:27:21,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:27:21,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:21,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:27:21,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:22,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:27:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:22,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:22,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:22,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 22:27:22,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:22,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 22:27:22,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:22,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:22,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 22:27:22,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:22,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:22,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:22,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:22,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:22,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 22:27:22,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:22,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:22,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:22,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:22,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:22,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:22,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:22,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:22,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:22,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:22,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:22,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:22,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:22,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:22,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:22,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:22,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 22:27:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:22,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:22,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:22,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:22,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:22,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:22,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:22,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:22,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:22,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:22,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 22:27:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:22,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:22,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:22,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:22,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:22,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:27:22,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:22,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:22,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:22,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:27:22,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:22,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-09-24 22:27:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:22,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:22,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:22,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:22,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:22,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:22,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:22,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:27:22,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:22,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:22,246 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 22:27:22,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [80866928] [2020-09-24 22:27:22,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:27:22,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-24 22:27:22,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446293389] [2020-09-24 22:27:22,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 22:27:22,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:27:22,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 22:27:22,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-09-24 22:27:22,250 INFO L87 Difference]: Start difference. First operand 594 states and 677 transitions. Second operand 15 states. [2020-09-24 22:27:22,830 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 22:27:24,492 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-24 22:27:25,167 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 22:27:25,547 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 22:27:25,907 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 22:27:26,244 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 22:27:26,600 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-24 22:27:26,964 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:27:27,342 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:27,725 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:27:28,137 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:28,485 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 22:27:28,809 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:29,178 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 22:27:29,497 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:29,844 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:30,253 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:30,656 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 22:27:30,990 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 22:27:31,716 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 195