/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 04:10:42,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 04:10:42,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 04:10:42,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 04:10:42,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 04:10:42,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 04:10:42,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 04:10:42,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 04:10:42,439 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 04:10:42,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 04:10:42,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 04:10:42,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 04:10:42,442 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 04:10:42,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 04:10:42,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 04:10:42,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 04:10:42,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 04:10:42,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 04:10:42,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 04:10:42,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 04:10:42,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 04:10:42,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 04:10:42,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 04:10:42,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 04:10:42,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 04:10:42,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 04:10:42,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 04:10:42,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 04:10:42,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 04:10:42,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 04:10:42,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 04:10:42,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 04:10:42,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 04:10:42,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 04:10:42,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 04:10:42,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 04:10:42,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 04:10:42,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 04:10:42,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 04:10:42,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 04:10:42,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 04:10:42,478 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 04:10:42,535 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 04:10:42,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 04:10:42,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 04:10:42,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 04:10:42,542 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 04:10:42,542 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 04:10:42,542 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 04:10:42,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 04:10:42,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 04:10:42,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 04:10:42,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 04:10:42,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 04:10:42,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 04:10:42,545 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 04:10:42,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 04:10:42,545 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 04:10:42,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 04:10:42,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 04:10:42,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 04:10:42,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 04:10:42,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 04:10:42,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 04:10:42,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 04:10:42,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 04:10:42,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 04:10:42,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 04:10:42,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 04:10:42,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 04:10:42,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 04:10:42,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2;log-additional-information=true; [2020-09-25 04:10:43,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 04:10:43,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 04:10:43,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 04:10:43,063 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 04:10:43,063 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 04:10:43,064 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product46.cil.c [2020-09-25 04:10:43,160 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ffa427c7/70c80a24b3fb46cf8f9741f184c1ff32/FLAG593addf52 [2020-09-25 04:10:43,776 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 04:10:43,777 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product46.cil.c [2020-09-25 04:10:43,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ffa427c7/70c80a24b3fb46cf8f9741f184c1ff32/FLAG593addf52 [2020-09-25 04:10:44,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9ffa427c7/70c80a24b3fb46cf8f9741f184c1ff32 [2020-09-25 04:10:44,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 04:10:44,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 04:10:44,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 04:10:44,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 04:10:44,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 04:10:44,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:10:44" (1/1) ... [2020-09-25 04:10:44,089 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44, skipping insertion in model container [2020-09-25 04:10:44,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 04:10:44" (1/1) ... [2020-09-25 04:10:44,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 04:10:44,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 04:10:44,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:10:44,699 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 04:10:44,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 04:10:44,844 INFO L208 MainTranslator]: Completed translation [2020-09-25 04:10:44,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44 WrapperNode [2020-09-25 04:10:44,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 04:10:44,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 04:10:44,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 04:10:44,847 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 04:10:44,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44" (1/1) ... [2020-09-25 04:10:44,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44" (1/1) ... [2020-09-25 04:10:44,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44" (1/1) ... [2020-09-25 04:10:44,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44" (1/1) ... [2020-09-25 04:10:44,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44" (1/1) ... [2020-09-25 04:10:44,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44" (1/1) ... [2020-09-25 04:10:44,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44" (1/1) ... [2020-09-25 04:10:44,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 04:10:44,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 04:10:44,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 04:10:44,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 04:10:44,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44" (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 04:10:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 04:10:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 04:10:45,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 04:10:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 04:10:45,048 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 04:10:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 04:10:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 04:10:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 04:10:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 04:10:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 04:10:45,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 04:10:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 04:10:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 04:10:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 04:10:45,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 04:10:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 04:10:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 04:10:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 04:10:45,051 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 04:10:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 04:10:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 04:10:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 04:10:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 04:10:45,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 04:10:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 04:10:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 04:10:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 04:10:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 04:10:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 04:10:45,053 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 04:10:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 04:10:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 04:10:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 04:10:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 04:10:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 04:10:45,054 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 04:10:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 04:10:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 04:10:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 04:10:45,055 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 04:10:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 04:10:45,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 04:10:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 04:10:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 04:10:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 04:10:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 04:10:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 04:10:45,056 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 04:10:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 04:10:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 04:10:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 04:10:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 04:10:45,057 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 04:10:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 04:10:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 04:10:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 04:10:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 04:10:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 04:10:45,058 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 04:10:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 04:10:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 04:10:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 04:10:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 04:10:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 04:10:45,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 04:10:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 04:10:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 04:10:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 04:10:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 04:10:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 04:10:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 04:10:45,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 04:10:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 04:10:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 04:10:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 04:10:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 04:10:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 04:10:45,061 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 04:10:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 04:10:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 04:10:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 04:10:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 04:10:45,062 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 04:10:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 04:10:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 04:10:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 04:10:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 04:10:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 04:10:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 04:10:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 04:10:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 04:10:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 04:10:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 04:10:45,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 04:10:46,294 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 04:10:46,295 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 04:10:46,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:10:46 BoogieIcfgContainer [2020-09-25 04:10:46,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 04:10:46,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 04:10:46,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 04:10:46,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 04:10:46,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 04:10:44" (1/3) ... [2020-09-25 04:10:46,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccecb57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:10:46, skipping insertion in model container [2020-09-25 04:10:46,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 04:10:44" (2/3) ... [2020-09-25 04:10:46,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ccecb57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 04:10:46, skipping insertion in model container [2020-09-25 04:10:46,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 04:10:46" (3/3) ... [2020-09-25 04:10:46,312 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product46.cil.c [2020-09-25 04:10:46,324 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 04:10:46,336 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 04:10:46,359 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 04:10:46,401 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 04:10:46,401 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 04:10:46,401 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 04:10:46,401 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 04:10:46,401 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 04:10:46,401 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 04:10:46,402 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 04:10:46,402 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 04:10:46,431 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states. [2020-09-25 04:10:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 04:10:46,450 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:10:46,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:10:46,452 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:10:46,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:10:46,459 INFO L82 PathProgramCache]: Analyzing trace with hash 2069436890, now seen corresponding path program 1 times [2020-09-25 04:10:46,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:10:46,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [676876417] [2020-09-25 04:10:46,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:10:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:47,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:47,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:48,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:49,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:51,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:51,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 04:10:51,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:10:51,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-09-25 04:10:51,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:51,885 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:51,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:51,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 04:10:51,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:51,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 04:10:52,330 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:10:52,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:10:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:52,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:52,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:52,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:10:52,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:52,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-09-25 04:10:52,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:52,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:52,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:10:52,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:52,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:52,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:10:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:52,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:52,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:52,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:10:52,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:52,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:10:52,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:52,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:52,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:52,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:10:52,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:52,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:52,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:10:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:52,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:52,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:52,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:10:52,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:52,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:10:52,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:52,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:52,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:52,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:10:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:52,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:52,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:10:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:52,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:52,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:52,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:10:52,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:52,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:10:52,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:52,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:52,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:52,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:10:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:52,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 22 [2020-09-25 04:10:52,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:10:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:52,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:52,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:52,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:10:52,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:52,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:10:52,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:52,598 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:52,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:52,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:10:52,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:52,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:52,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 04:10:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:52,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:52,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:52,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:10:52,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:52,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:10:52,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:52,606 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:10:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:52,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:52,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 04:10:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:52,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:52,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:52,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:10:52,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:52,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:10:52,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:52,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:10:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:52,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:52,642 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 04:10:52,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [676876417] [2020-09-25 04:10:52,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:10:52,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 04:10:52,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372674824] [2020-09-25 04:10:52,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 04:10:52,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:10:52,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 04:10:52,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:10:52,675 INFO L87 Difference]: Start difference. First operand 319 states. Second operand 3 states. [2020-09-25 04:10:54,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:10:54,047 INFO L93 Difference]: Finished difference Result 506 states and 600 transitions. [2020-09-25 04:10:54,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 04:10:54,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-25 04:10:54,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:10:54,070 INFO L225 Difference]: With dead ends: 506 [2020-09-25 04:10:54,071 INFO L226 Difference]: Without dead ends: 312 [2020-09-25 04:10:54,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 04:10:54,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-09-25 04:10:54,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 268. [2020-09-25 04:10:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-09-25 04:10:54,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 291 transitions. [2020-09-25 04:10:54,210 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 291 transitions. Word has length 142 [2020-09-25 04:10:54,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:10:54,212 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 291 transitions. [2020-09-25 04:10:54,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 04:10:54,212 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 291 transitions. [2020-09-25 04:10:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-25 04:10:54,220 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:10:54,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:10:54,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 04:10:54,221 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:10:54,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:10:54,222 INFO L82 PathProgramCache]: Analyzing trace with hash 777586008, now seen corresponding path program 1 times [2020-09-25 04:10:54,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:10:54,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [574262828] [2020-09-25 04:10:54,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:10:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:54,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:54,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:56,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:56,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:59,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:59,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-25 04:10:59,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:10:59,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 04:10:59,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:59,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:10:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 04:10:59,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:10:59,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:59,649 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:10:59,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:10:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:59,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:59,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:59,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:10:59,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:59,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 04:10:59,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:59,764 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:59,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:10:59,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:59,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:10:59,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:10:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:59,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:59,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:59,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:10:59,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:59,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:10:59,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:59,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:59,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:59,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:10:59,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:59,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:59,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:10:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:59,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:59,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:59,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:10:59,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:10:59,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:59,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:59,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:59,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:10:59,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:59,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:10:59,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:10:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:59,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:59,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:59,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:10:59,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:59,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:10:59,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:59,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:59,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:59,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:10:59,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:59,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:59,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:10:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:59,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:59,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:59,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:10:59,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:59,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:10:59,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:59,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:10:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:59,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 04:10:59,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 04:10:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:59,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:59,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:59,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:10:59,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:59,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:10:59,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:59,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:59,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:59,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:10:59,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:59,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:59,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:10:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:10:59,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:10:59,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:10:59,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:10:59,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:10:59,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:10:59,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:10:59,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:10:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:10:59,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:10:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:10:59,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:10:59,884 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 04:10:59,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [574262828] [2020-09-25 04:10:59,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:10:59,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 04:10:59,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379680147] [2020-09-25 04:10:59,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 04:10:59,890 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:10:59,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 04:10:59,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 04:10:59,891 INFO L87 Difference]: Start difference. First operand 268 states and 291 transitions. Second operand 4 states. [2020-09-25 04:11:00,585 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 04:11:01,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:01,660 INFO L93 Difference]: Finished difference Result 419 states and 471 transitions. [2020-09-25 04:11:01,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 04:11:01,661 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-25 04:11:01,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:01,668 INFO L225 Difference]: With dead ends: 419 [2020-09-25 04:11:01,672 INFO L226 Difference]: Without dead ends: 295 [2020-09-25 04:11:01,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:11:01,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-09-25 04:11:01,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 258. [2020-09-25 04:11:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-09-25 04:11:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 278 transitions. [2020-09-25 04:11:01,752 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 278 transitions. Word has length 143 [2020-09-25 04:11:01,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:01,753 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 278 transitions. [2020-09-25 04:11:01,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 04:11:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 278 transitions. [2020-09-25 04:11:01,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 04:11:01,758 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:01,758 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:11:01,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 04:11:01,759 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:01,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:01,761 INFO L82 PathProgramCache]: Analyzing trace with hash -956744923, now seen corresponding path program 1 times [2020-09-25 04:11:01,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:01,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509811085] [2020-09-25 04:11:01,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:01,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:02,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:02,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:04,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:06,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:06,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 04:11:06,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:11:06,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 04:11:06,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:06,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:06,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 04:11:06,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:11:06,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:07,176 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:07,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:07,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:07,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:07,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:07,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-25 04:11:07,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:07,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:07,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:07,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:07,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:07,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:07,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:07,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:07,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:07,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:07,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:07,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:07,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:07,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:07,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:07,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:07,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:07,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:07,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:07,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:07,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:07,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:07,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:07,372 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:07,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:07,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:07,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:07,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:07,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:07,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:07,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:07,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:07,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:07,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:07,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:07,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:07,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:07,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:07,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:07,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:07,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:07,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:07,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:07,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:07,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:07,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:07,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:07,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:07,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:07,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:07,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 04:11:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:07,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:07,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:07,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:11:07,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:07,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:07,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:07,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:07,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:07,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 04:11:07,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 04:11:07,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 04:11:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:07,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:07,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:07,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:07,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:07,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:11:07,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:07,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:07,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:07,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:07,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:07,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:07,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 04:11:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:07,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:07,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:07,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:07,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:07,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 04:11:07,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:07,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:07,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:07,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:07,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:07,503 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 04:11:07,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509811085] [2020-09-25 04:11:07,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:07,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 04:11:07,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117277940] [2020-09-25 04:11:07,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 04:11:07,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:07,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 04:11:07,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 04:11:07,509 INFO L87 Difference]: Start difference. First operand 258 states and 278 transitions. Second operand 5 states. [2020-09-25 04:11:08,054 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:11:09,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:09,154 INFO L93 Difference]: Finished difference Result 465 states and 533 transitions. [2020-09-25 04:11:09,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 04:11:09,155 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-25 04:11:09,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:09,159 INFO L225 Difference]: With dead ends: 465 [2020-09-25 04:11:09,160 INFO L226 Difference]: Without dead ends: 317 [2020-09-25 04:11:09,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 04:11:09,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-09-25 04:11:09,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 258. [2020-09-25 04:11:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-09-25 04:11:09,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 277 transitions. [2020-09-25 04:11:09,203 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 277 transitions. Word has length 156 [2020-09-25 04:11:09,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:09,204 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 277 transitions. [2020-09-25 04:11:09,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 04:11:09,204 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 277 transitions. [2020-09-25 04:11:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-25 04:11:09,207 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:09,207 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] [2020-09-25 04:11:09,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 04:11:09,207 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:09,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:09,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1329661324, now seen corresponding path program 1 times [2020-09-25 04:11:09,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:09,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [604908518] [2020-09-25 04:11:09,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:09,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:09,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:09,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:11,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:12,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:12,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:12,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-25 04:11:14,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 04:11:14,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 04:11:14,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:11:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-09-25 04:11:14,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:11:14,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,601 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:14,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:14,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 04:11:14,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:14,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:14,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:14,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:14,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:14,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:14,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:14,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:14,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:14,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,743 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:14,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:14,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:14,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:14,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:14,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:14,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:14,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:14,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:14,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:14,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:14,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 04:11:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:11:14,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:14,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:14,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:14,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:14,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:11:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 04:11:14,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 04:11:14,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:11:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 04:11:14,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 04:11:14,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:11:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 04:11:14,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 04:11:14,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 04:11:14,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 04:11:14,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 04:11:14,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:11:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:14,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:14,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:11:14,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 04:11:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:14,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:14,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:14,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:14,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:14,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 04:11:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:14,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:14,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:14,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:14,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:14,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 04:11:14,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:14,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:14,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 04:11:14,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:14,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 04:11:14,978 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [604908518] [2020-09-25 04:11:14,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:14,979 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 04:11:14,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948265700] [2020-09-25 04:11:14,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 04:11:14,980 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:14,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 04:11:14,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 04:11:14,981 INFO L87 Difference]: Start difference. First operand 258 states and 277 transitions. Second operand 8 states. [2020-09-25 04:11:15,630 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:11:17,254 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:11:18,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 04:11:18,231 INFO L93 Difference]: Finished difference Result 658 states and 775 transitions. [2020-09-25 04:11:18,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 04:11:18,232 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2020-09-25 04:11:18,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 04:11:18,237 INFO L225 Difference]: With dead ends: 658 [2020-09-25 04:11:18,238 INFO L226 Difference]: Without dead ends: 510 [2020-09-25 04:11:18,239 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-09-25 04:11:18,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2020-09-25 04:11:18,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 383. [2020-09-25 04:11:18,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2020-09-25 04:11:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 410 transitions. [2020-09-25 04:11:18,299 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 410 transitions. Word has length 169 [2020-09-25 04:11:18,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 04:11:18,300 INFO L479 AbstractCegarLoop]: Abstraction has 383 states and 410 transitions. [2020-09-25 04:11:18,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 04:11:18,300 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 410 transitions. [2020-09-25 04:11:18,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-09-25 04:11:18,303 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 04:11:18,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 04:11:18,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 04:11:18,304 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 04:11:18,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 04:11:18,304 INFO L82 PathProgramCache]: Analyzing trace with hash -828711732, now seen corresponding path program 1 times [2020-09-25 04:11:18,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 04:11:18,304 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735325735] [2020-09-25 04:11:18,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 04:11:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:18,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:19,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:19,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:20,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:23,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:23,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-09-25 04:11:23,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 04:11:23,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-09-25 04:11:23,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:23,407 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:23,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 04:11:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 163 [2020-09-25 04:11:23,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-25 04:11:23,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:23,741 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 04:11:23,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 04:11:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:23,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:23,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:23,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 04:11:23,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:23,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-09-25 04:11:23,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:23,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:23,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:23,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:23,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:23,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 04:11:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:23,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:23,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:23,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:23,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:23,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:23,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:23,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:23,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:23,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:23,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 04:11:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:23,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:23,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:23,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:23,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:23,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:23,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:23,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:23,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:23,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:23,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 04:11:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:23,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:23,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:23,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:23,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:23,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 04:11:23,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:23,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:23,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:23,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 04:11:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:23,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:23,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:23,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:23,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:23,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 04:11:23,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:23,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:23,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:23,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:23,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 04:11:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:23,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:23,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:23,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 04:11:23,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:23,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 04:11:23,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:23,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:23,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:23,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:23,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:23,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 04:11:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:23,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:23,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-25 04:11:24,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 04:11:24,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-09-25 04:11:24,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:24,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 04:11:24,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:24,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:11:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:24,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 04:11:24,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:24,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 04:11:24,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:24,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 04:11:24,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:24,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 04:11:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:24,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 04:11:24,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:24,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 04:11:24,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:24,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:24,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 04:11:24,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:24,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 04:11:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:24,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 04:11:24,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:24,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 04:11:24,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,110 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 04:11:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:24,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 04:11:24,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 04:11:24,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 04:11:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:24,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 04:11:24,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:24,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:24,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 04:11:24,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:24,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 04:11:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:24,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:24,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:24,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 04:11:24,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 04:11:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:24,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:11:24,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:24,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 04:11:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 04:11:24,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 04:11:24,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 04:11:24,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 04:11:24,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 04:11:24,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 04:11:24,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 04:11:24,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 04:11:24,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 04:11:24,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 04:11:24,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 04:11:24,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 04:11:24,265 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 04:11:24,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735325735] [2020-09-25 04:11:24,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 04:11:24,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 04:11:24,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437187244] [2020-09-25 04:11:24,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 04:11:24,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 04:11:24,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 04:11:24,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 04:11:24,270 INFO L87 Difference]: Start difference. First operand 383 states and 410 transitions. Second operand 10 states. [2020-09-25 04:11:25,051 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 04:11:26,882 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 188 [2020-09-25 04:11:27,530 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-25 04:11:27,892 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:11:28,230 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:11:28,554 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 04:11:29,020 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 04:11:29,351 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 04:11:29,709 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187