/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=NARROWEST --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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 01:46:43,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:46:43,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:46:43,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:46:43,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:46:43,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:46:43,792 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:46:43,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:46:43,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:46:43,801 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:46:43,802 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:46:43,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:46:43,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:46:43,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:46:43,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:46:43,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:46:43,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:46:43,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:46:43,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:46:43,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:46:43,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:46:43,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:46:43,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:46:43,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:46:43,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:46:43,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:46:43,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:46:43,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:46:43,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:46:43,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:46:43,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:46:43,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:46:43,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:46:43,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:46:43,843 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:46:43,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:46:43,844 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:46:43,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:46:43,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:46:43,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:46:43,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:46:43,848 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 01:46:43,896 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:46:43,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:46:43,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:46:43,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:46:43,899 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:46:43,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:46:43,900 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:46:43,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:46:43,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:46:43,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:46:43,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:46:43,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:46:43,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:46:43,902 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:46:43,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:46:43,903 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:46:43,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:46:43,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:46:43,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:46:43,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:46:43,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:46:43,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:46:43,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:46:43,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:46:43,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:46:43,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:46:43,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:46:43,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:46:43,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:46:43,905 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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;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=NARROWEST;log-additional-information=true; [2020-09-25 01:46:44,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:46:44,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:46:44,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:46:44,361 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:46:44,361 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:46:44,362 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2020-09-25 01:46:44,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/376bcd070/12717cd4b2d545239514afb1794d4bd0/FLAG0856ea1d7 [2020-09-25 01:46:45,071 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:46:45,072 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product22.cil.c [2020-09-25 01:46:45,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/376bcd070/12717cd4b2d545239514afb1794d4bd0/FLAG0856ea1d7 [2020-09-25 01:46:45,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/376bcd070/12717cd4b2d545239514afb1794d4bd0 [2020-09-25 01:46:45,287 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:46:45,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:46:45,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:46:45,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:46:45,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:46:45,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:46:45" (1/1) ... [2020-09-25 01:46:45,303 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:45, skipping insertion in model container [2020-09-25 01:46:45,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:46:45" (1/1) ... [2020-09-25 01:46:45,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:46:45,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:46:45,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:46:45,764 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:46:46,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:46:46,062 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:46:46,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:46 WrapperNode [2020-09-25 01:46:46,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:46:46,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:46:46,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:46:46,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:46:46,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:46" (1/1) ... [2020-09-25 01:46:46,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:46" (1/1) ... [2020-09-25 01:46:46,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:46" (1/1) ... [2020-09-25 01:46:46,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:46" (1/1) ... [2020-09-25 01:46:46,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:46" (1/1) ... [2020-09-25 01:46:46,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:46" (1/1) ... [2020-09-25 01:46:46,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:46" (1/1) ... [2020-09-25 01:46:46,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:46:46,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:46:46,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:46:46,164 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:46:46,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:46:46,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:46:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:46:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 01:46:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 01:46:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 01:46:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 01:46:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 01:46:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 01:46:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 01:46:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 01:46:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 01:46:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 01:46:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 01:46:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:46:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 01:46:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 01:46:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 01:46:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 01:46:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 01:46:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 01:46:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 01:46:46,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 01:46:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 01:46:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 01:46:46,273 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 01:46:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 01:46:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 01:46:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 01:46:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 01:46:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 01:46:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 01:46:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 01:46:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 01:46:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 01:46:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 01:46:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 01:46:46,275 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 01:46:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 01:46:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 01:46:46,276 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 01:46:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:46:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:46:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 01:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 01:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 01:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:46:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:46:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:46:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 01:46:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:46:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 01:46:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 01:46:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:46:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 01:46:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 01:46:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:46:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 01:46:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 01:46:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 01:46:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 01:46:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 01:46:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 01:46:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 01:46:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 01:46:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 01:46:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 01:46:46,281 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 01:46:46,282 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 01:46:46,283 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 01:46:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 01:46:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:46:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 01:46:46,284 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 01:46:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 01:46:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 01:46:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 01:46:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 01:46:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 01:46:46,285 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 01:46:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 01:46:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 01:46:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 01:46:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 01:46:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 01:46:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 01:46:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 01:46:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 01:46:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 01:46:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:46:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:46:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:46:47,443 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:46:47,444 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 01:46:47,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:46:47 BoogieIcfgContainer [2020-09-25 01:46:47,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:46:47,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:46:47,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:46:47,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:46:47,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:46:45" (1/3) ... [2020-09-25 01:46:47,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7760e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:46:47, skipping insertion in model container [2020-09-25 01:46:47,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:46:46" (2/3) ... [2020-09-25 01:46:47,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c7760e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:46:47, skipping insertion in model container [2020-09-25 01:46:47,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:46:47" (3/3) ... [2020-09-25 01:46:47,460 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2020-09-25 01:46:47,471 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:46:47,482 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:46:47,501 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:46:47,533 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:46:47,533 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:46:47,533 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:46:47,533 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:46:47,533 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:46:47,533 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:46:47,534 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:46:47,534 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:46:47,561 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states. [2020-09-25 01:46:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 01:46:47,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:46:47,581 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] [2020-09-25 01:46:47,582 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:46:47,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:46:47,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1254916624, now seen corresponding path program 1 times [2020-09-25 01:46:47,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:46:47,600 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067805708] [2020-09-25 01:46:47,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:46:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:48,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:48,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:49,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:50,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:50,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:52,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:53,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 01:46:53,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 01:46:53,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-25 01:46:53,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:53,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-25 01:46:53,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:53,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 15 [2020-09-25 01:46:53,492 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:46:53,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:46:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:53,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:53,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:46:53,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:53,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-25 01:46:53,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:53,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:53,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:53,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:53,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:46:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:53,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:53,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:53,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:53,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:46:53,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:53,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:53,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:53,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:53,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:46:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:53,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:53,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:53,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:53,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:46:53,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:53,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:53,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:46:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:53,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:53,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:53,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:53,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:46:53,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:53,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:53,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:53,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:46:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:53,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:53,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:46:53,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:53,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:46:53,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:53,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:53,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:53,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:53,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:46:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:53,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:53,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:46:53,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:53,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:53,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:46:53,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 30 [2020-09-25 01:46:53,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 01:46:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:53,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:53,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:53,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:53,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:46:53,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:53,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:53,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:53,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:46:53,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 01:46:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:53,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:53,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:46:53,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:46:53,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:46:53,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:46:53,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:46:53,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:46:53,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:46:53,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:46:53,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:46:53,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:46:53,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067805708] [2020-09-25 01:46:53,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:46:53,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 01:46:53,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799856821] [2020-09-25 01:46:53,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 01:46:53,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:46:53,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 01:46:53,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:46:53,943 INFO L87 Difference]: Start difference. First operand 308 states. Second operand 4 states. [2020-09-25 01:46:55,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:46:55,569 INFO L93 Difference]: Finished difference Result 478 states and 569 transitions. [2020-09-25 01:46:55,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-25 01:46:55,572 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-25 01:46:55,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:46:55,593 INFO L225 Difference]: With dead ends: 478 [2020-09-25 01:46:55,593 INFO L226 Difference]: Without dead ends: 306 [2020-09-25 01:46:55,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-25 01:46:55,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-25 01:46:55,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 257. [2020-09-25 01:46:55,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-09-25 01:46:55,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 280 transitions. [2020-09-25 01:46:55,722 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 280 transitions. Word has length 148 [2020-09-25 01:46:55,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:46:55,723 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 280 transitions. [2020-09-25 01:46:55,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 01:46:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 280 transitions. [2020-09-25 01:46:55,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-25 01:46:55,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:46:55,729 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:46:55,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:46:55,730 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:46:55,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:46:55,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1685904338, now seen corresponding path program 1 times [2020-09-25 01:46:55,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:46:55,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463547556] [2020-09-25 01:46:55,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:46:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:46:55,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:55,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:57,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:58,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:46:59,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:00,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:00,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-09-25 01:47:00,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:47:00,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 01:47:00,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 01:47:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:47:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:01,234 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:01,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:47:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:01,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:01,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:01,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:47:01,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:01,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-25 01:47:01,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:01,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:01,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:01,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:01,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:47:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:01,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:01,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:01,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:01,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:01,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:01,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:01,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:01,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:01,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:01,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:47:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:01,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:01,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:01,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:01,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:01,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:01,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:01,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:01,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:01,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:01,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:47:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:01,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:01,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:01,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:01,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:01,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:47:01,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:01,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:01,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:01,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:01,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:01,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:47:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:01,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:01,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:01,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:01,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:01,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:01,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:01,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:01,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:01,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:01,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:47:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:01,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:01,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:01,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:01,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:01,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:01,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:01,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:01,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:01,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:01,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 01:47:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:01,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:01,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:01,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:01,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:01,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:01,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:01,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:01,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 01:47:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:01,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:01,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:01,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:01,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:01,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:01,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:01,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:01,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:47:01,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463547556] [2020-09-25 01:47:01,556 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:47:01,556 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 01:47:01,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68576036] [2020-09-25 01:47:01,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 01:47:01,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:47:01,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 01:47:01,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 01:47:01,562 INFO L87 Difference]: Start difference. First operand 257 states and 280 transitions. Second operand 5 states. [2020-09-25 01:47:02,336 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 01:47:03,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:47:03,331 INFO L93 Difference]: Finished difference Result 403 states and 460 transitions. [2020-09-25 01:47:03,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 01:47:03,332 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-25 01:47:03,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:47:03,337 INFO L225 Difference]: With dead ends: 403 [2020-09-25 01:47:03,337 INFO L226 Difference]: Without dead ends: 295 [2020-09-25 01:47:03,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 01:47:03,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-25 01:47:03,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 247. [2020-09-25 01:47:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-09-25 01:47:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 267 transitions. [2020-09-25 01:47:03,390 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 267 transitions. Word has length 149 [2020-09-25 01:47:03,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:47:03,391 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 267 transitions. [2020-09-25 01:47:03,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 01:47:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 267 transitions. [2020-09-25 01:47:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-25 01:47:03,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:47:03,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:47:03,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:47:03,395 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:47:03,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:47:03,395 INFO L82 PathProgramCache]: Analyzing trace with hash 285383563, now seen corresponding path program 1 times [2020-09-25 01:47:03,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:47:03,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912602145] [2020-09-25 01:47:03,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:47:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:03,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:03,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:04,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:04,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:06,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:08,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:08,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-25 01:47:08,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:47:08,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 01:47:08,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:08,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:08,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 153 [2020-09-25 01:47:08,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 01:47:08,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:08,803 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:08,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:47:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:08,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:08,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:08,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:47:08,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:08,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-09-25 01:47:08,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:08,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:08,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:47:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:08,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:08,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:08,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:08,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:08,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:08,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:08,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:08,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:08,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:08,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:47:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:08,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:08,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:08,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:08,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:08,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:08,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:08,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:08,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:08,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:47:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:08,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:08,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:08,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:08,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:08,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:47:08,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:08,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:08,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:47:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:08,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:08,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:08,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:08,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:08,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:08,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:08,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:08,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:08,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:08,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:08,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:47:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:08,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:08,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:08,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:08,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:08,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:08,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:08,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:08,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:08,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:09,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 01:47:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:09,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:09,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:09,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:09,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:09,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:47:09,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:09,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:09,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:09,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 01:47:09,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:09,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 01:47:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:09,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:09,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:09,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:09,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:09,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 01:47:09,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:09,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:09,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:09,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:09,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:09,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 01:47:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:09,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:09,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:09,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:09,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:09,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:09,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 01:47:09,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:09,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:47:09,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912602145] [2020-09-25 01:47:09,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:47:09,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 01:47:09,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956544705] [2020-09-25 01:47:09,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 01:47:09,072 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:47:09,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 01:47:09,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 01:47:09,075 INFO L87 Difference]: Start difference. First operand 247 states and 267 transitions. Second operand 6 states. [2020-09-25 01:47:09,664 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:10,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:47:10,874 INFO L93 Difference]: Finished difference Result 450 states and 525 transitions. [2020-09-25 01:47:10,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 01:47:10,875 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2020-09-25 01:47:10,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:47:10,882 INFO L225 Difference]: With dead ends: 450 [2020-09-25 01:47:10,882 INFO L226 Difference]: Without dead ends: 318 [2020-09-25 01:47:10,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 01:47:10,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-25 01:47:10,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 247. [2020-09-25 01:47:10,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-09-25 01:47:10,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 266 transitions. [2020-09-25 01:47:10,938 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 266 transitions. Word has length 162 [2020-09-25 01:47:10,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:47:10,939 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 266 transitions. [2020-09-25 01:47:10,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 01:47:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 266 transitions. [2020-09-25 01:47:10,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-25 01:47:10,942 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:47:10,942 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:47:10,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 01:47:10,942 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:47:10,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:47:10,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1942509693, now seen corresponding path program 1 times [2020-09-25 01:47:10,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:47:10,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881705915] [2020-09-25 01:47:10,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:47:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:11,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:11,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:12,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:12,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:13,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 214 [2020-09-25 01:47:16,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 01:47:16,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-09-25 01:47:16,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:47:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-09-25 01:47:16,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-09-25 01:47:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:16,423 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:16,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:47:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 01:47:16,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:16,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-25 01:47:16,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:16,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:47:16,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 01:47:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:16,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:16,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 01:47:16,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:16,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:16,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 01:47:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:16,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:16,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:16,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:16,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:16,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 01:47:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:16,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:16,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:47:16,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:16,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 01:47:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:16,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:16,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:16,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:16,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 01:47:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:16,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:16,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:16,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:16,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 01:47:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 01:47:16,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:16,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:16,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:47:16,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:47:16,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 01:47:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 01:47:16,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:47:16,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 01:47:16,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 01:47:16,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 01:47:16,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:47:16,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 01:47:16,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 01:47:16,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 01:47:16,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:16,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:47:16,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:47:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:47:16,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:16,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:47:16,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:16,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 01:47:16,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-09-25 01:47:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:16,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:16,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:47:16,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:47:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:47:16,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-09-25 01:47:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:47:16,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:47:16,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:47:16,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:47:16,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:47:16,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:47:16,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:47:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 01:47:16,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:47:16,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 01:47:16,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:47:16,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 01:47:16,853 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881705915] [2020-09-25 01:47:16,854 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:47:16,854 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 01:47:16,854 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273068676] [2020-09-25 01:47:16,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 01:47:16,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:47:16,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 01:47:16,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 01:47:16,857 INFO L87 Difference]: Start difference. First operand 247 states and 266 transitions. Second operand 11 states. [2020-09-25 01:47:17,613 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 01:47:18,872 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:19,163 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 01:47:19,550 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:19,882 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 01:47:20,184 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:20,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:47:20,468 INFO L93 Difference]: Finished difference Result 389 states and 452 transitions. [2020-09-25 01:47:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-25 01:47:20,469 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 175 [2020-09-25 01:47:20,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:47:20,470 INFO L225 Difference]: With dead ends: 389 [2020-09-25 01:47:20,471 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 01:47:20,473 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2020-09-25 01:47:20,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 01:47:20,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 01:47:20,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 01:47:20,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 01:47:20,474 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2020-09-25 01:47:20,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:47:20,474 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 01:47:20,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 01:47:20,474 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 01:47:20,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 01:47:20,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 01:47:20,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 01:47:20,694 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:20,891 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 17 [2020-09-25 01:47:21,051 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:21,218 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:21,376 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:21,533 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:21,903 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:22,257 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:22,603 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:22,950 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:23,297 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:23,450 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:23,606 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:23,762 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:23,917 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:24,060 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:24,213 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:24,385 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 17 [2020-09-25 01:47:24,546 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:24,698 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:24,852 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:25,005 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:25,159 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:25,311 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:25,464 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:25,618 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:25,771 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:25,925 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:26,078 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:26,232 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:26,384 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:26,537 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:26,691 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:26,845 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:27,005 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:27,163 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:27,319 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:27,479 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:27,644 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:27,799 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:27,951 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 12 [2020-09-25 01:47:28,293 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:28,637 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:28,983 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:29,329 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:29,672 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2020-09-25 01:47:29,824 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:29,987 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:30,145 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:30,299 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:30,461 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:30,635 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 12 [2020-09-25 01:47:30,788 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:30,941 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 01:47:31,091 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 12 [2020-09-25 01:47:31,286 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-25 01:47:31,516 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 01:47:31,757 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-25 01:47:31,989 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-25 01:47:32,193 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11 [2020-09-25 01:47:32,454 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 01:47:32,670 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 01:47:32,941 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 01:47:33,110 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 18 [2020-09-25 01:47:33,282 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-25 01:47:33,482 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2020-09-25 01:47:33,704 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 01:47:33,944 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 23 [2020-09-25 01:47:34,157 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 11