/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 interpolation-heuristic=FIRST --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_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:49:51,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:49:51,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:49:51,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:49:51,948 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:49:51,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:49:51,951 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:49:51,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:49:51,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:49:51,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:49:51,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:49:51,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:49:51,958 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:49:51,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:49:51,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:49:51,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:49:51,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:49:51,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:49:51,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:49:51,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:49:51,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:49:51,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:49:51,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:49:51,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:49:51,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:49:51,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:49:51,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:49:51,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:49:51,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:49:51,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:49:51,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:49:51,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:49:51,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:49:51,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:49:51,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:49:51,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:49:51,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:49:51,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:49:51,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:49:51,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:49:51,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:49:51,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 15:49:52,040 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:49:52,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:49:52,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:49:52,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:49:52,045 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:49:52,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:49:52,046 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:49:52,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:49:52,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:49:52,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:49:52,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:49:52,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:49:52,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:49:52,048 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:49:52,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:49:52,050 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:49:52,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:49:52,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:49:52,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:49:52,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:49:52,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:49:52,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:49:52,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:49:52,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:49:52,052 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:49:52,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:49:52,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:49:52,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:49:52,053 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:49:52,054 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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 15:49:52,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:49:52,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:49:52,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:49:52,548 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:49:52,548 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:49:52,550 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product39.cil.c [2020-09-24 15:49:52,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e00a39cf4/54fd60b242f741b5aaf57210ef266e21/FLAG4c9281ace [2020-09-24 15:49:53,226 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:49:53,227 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product39.cil.c [2020-09-24 15:49:53,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e00a39cf4/54fd60b242f741b5aaf57210ef266e21/FLAG4c9281ace [2020-09-24 15:49:53,492 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e00a39cf4/54fd60b242f741b5aaf57210ef266e21 [2020-09-24 15:49:53,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:49:53,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:49:53,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:49:53,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:49:53,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:49:53,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:49:53" (1/1) ... [2020-09-24 15:49:53,522 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387f035d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:53, skipping insertion in model container [2020-09-24 15:49:53,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:49:53" (1/1) ... [2020-09-24 15:49:53,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:49:53,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:49:54,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:49:54,074 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:49:54,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:49:54,224 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:49:54,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:54 WrapperNode [2020-09-24 15:49:54,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:49:54,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:49:54,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:49:54,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:49:54,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:54" (1/1) ... [2020-09-24 15:49:54,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:54" (1/1) ... [2020-09-24 15:49:54,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:54" (1/1) ... [2020-09-24 15:49:54,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:54" (1/1) ... [2020-09-24 15:49:54,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:54" (1/1) ... [2020-09-24 15:49:54,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:54" (1/1) ... [2020-09-24 15:49:54,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:54" (1/1) ... [2020-09-24 15:49:54,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:49:54,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:49:54,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:49:54,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:49:54,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:54" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:49:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:49:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:49:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:49:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:49:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:49:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:49:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:49:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:49:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:49:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:49:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:49:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:49:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:49:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:49:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:49:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:49:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:49:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:49:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:49:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:49:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:49:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:49:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:49:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:49:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:49:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:49:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:49:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:49:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:49:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:49:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:49:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:49:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:49:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:49:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:49:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:49:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:49:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:49:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:49:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:49:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:49:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:49:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:49:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:49:54,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:49:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:49:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:49:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:49:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:49:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:49:54,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:49:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:49:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:49:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:49:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:49:54,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:49:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:49:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:49:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:49:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:49:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:49:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:49:54,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:49:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:49:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:49:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:49:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:49:54,448 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:49:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:49:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:49:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:49:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:49:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:49:54,449 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:49:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:49:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:49:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:49:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:49:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:49:54,450 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:49:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:49:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 15:49:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:49:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:49:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:49:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:49:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:49:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:49:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:49:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:49:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:49:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:49:55,656 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:49:55,656 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:49:55,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:49:55 BoogieIcfgContainer [2020-09-24 15:49:55,664 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:49:55,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:49:55,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:49:55,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:49:55,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:49:53" (1/3) ... [2020-09-24 15:49:55,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cce694d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:49:55, skipping insertion in model container [2020-09-24 15:49:55,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:49:54" (2/3) ... [2020-09-24 15:49:55,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cce694d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:49:55, skipping insertion in model container [2020-09-24 15:49:55,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:49:55" (3/3) ... [2020-09-24 15:49:55,674 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product39.cil.c [2020-09-24 15:49:55,686 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:49:55,699 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:49:55,725 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:49:55,767 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:49:55,768 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:49:55,768 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:49:55,768 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:49:55,768 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:49:55,768 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:49:55,769 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:49:55,769 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:49:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states. [2020-09-24 15:49:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:49:55,825 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:55,829 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:49:55,830 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:55,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:55,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1206638140, now seen corresponding path program 1 times [2020-09-24 15:49:55,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:55,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833503214] [2020-09-24 15:49:55,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,327 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,328 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,331 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,331 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:49:56,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:49:56,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:49:56,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:49:56,794 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:56,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:56,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:49:56,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:49:56,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,942 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,943 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:56,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,948 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:56,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:56,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:56,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:56,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:49:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,966 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,966 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,967 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,967 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:56,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:56,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:56,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:49:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:56,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:56,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:56,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:56,973 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:56,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:56,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:56,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:56,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:56,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:56,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:57,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833503214] [2020-09-24 15:49:57,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:57,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:49:57,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26727416] [2020-09-24 15:49:57,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:49:57,016 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:57,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:49:57,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:49:57,037 INFO L87 Difference]: Start difference. First operand 312 states. Second operand 3 states. [2020-09-24 15:49:58,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:49:58,469 INFO L93 Difference]: Finished difference Result 491 states and 585 transitions. [2020-09-24 15:49:58,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:49:58,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:49:58,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:49:58,492 INFO L225 Difference]: With dead ends: 491 [2020-09-24 15:49:58,493 INFO L226 Difference]: Without dead ends: 304 [2020-09-24 15:49:58,499 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 [2020-09-24 15:49:58,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-24 15:49:58,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 261. [2020-09-24 15:49:58,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-09-24 15:49:58,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 284 transitions. [2020-09-24 15:49:58,645 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 284 transitions. Word has length 142 [2020-09-24 15:49:58,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:49:58,648 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 284 transitions. [2020-09-24 15:49:58,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:49:58,648 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 284 transitions. [2020-09-24 15:49:58,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:49:58,663 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:49:58,663 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:49:58,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:49:58,664 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:49:58,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:49:58,664 INFO L82 PathProgramCache]: Analyzing trace with hash 965995347, now seen corresponding path program 1 times [2020-09-24 15:49:58,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:49:58,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1932089827] [2020-09-24 15:49:58,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:49:58,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:58,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:58,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:58,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:58,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:58,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:49:58,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:58,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:49:58,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:49:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:49:58,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:49:58,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:59,098 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:49:59,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:49:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:59,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:59,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:59,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:59,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:59,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:49:59,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:59,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:59,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:59,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:59,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:59,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:59,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:49:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:59,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:59,185 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:59,185 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:59,185 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:59,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:59,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:59,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:59,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:59,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:59,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:49:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:59,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:59,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:59,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:59,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:59,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:59,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:59,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:59,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:59,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:59,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:49:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:59,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:59,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:59,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:59,198 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:59,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:59,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:59,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:59,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:59,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:59,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:59,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:59,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:49:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:59,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:59,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:59,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:59,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:59,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:49:59,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:59,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:59,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:59,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:49:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:59,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:49:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:59,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:59,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:59,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:59,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:59,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:59,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:49:59,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:59,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:59,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:59,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:49:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:49:59,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:49:59,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:49:59,218 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:49:59,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:49:59,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:49:59,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:49:59,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:49:59,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:49:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:49:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:49:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:49:59,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:49:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:49:59,259 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1932089827] [2020-09-24 15:49:59,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:49:59,260 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:49:59,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585624174] [2020-09-24 15:49:59,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:49:59,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:49:59,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:49:59,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:49:59,265 INFO L87 Difference]: Start difference. First operand 261 states and 284 transitions. Second operand 4 states. [2020-09-24 15:49:59,942 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:01,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:01,046 INFO L93 Difference]: Finished difference Result 402 states and 452 transitions. [2020-09-24 15:50:01,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:01,047 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:50:01,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:01,051 INFO L225 Difference]: With dead ends: 402 [2020-09-24 15:50:01,052 INFO L226 Difference]: Without dead ends: 287 [2020-09-24 15:50:01,054 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 [2020-09-24 15:50:01,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-09-24 15:50:01,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 251. [2020-09-24 15:50:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-09-24 15:50:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 271 transitions. [2020-09-24 15:50:01,093 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 271 transitions. Word has length 143 [2020-09-24 15:50:01,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:01,094 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 271 transitions. [2020-09-24 15:50:01,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:01,095 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 271 transitions. [2020-09-24 15:50:01,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:50:01,097 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:01,097 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] [2020-09-24 15:50:01,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:50:01,098 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:01,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:01,098 INFO L82 PathProgramCache]: Analyzing trace with hash 67671664, now seen corresponding path program 1 times [2020-09-24 15:50:01,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:01,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359419793] [2020-09-24 15:50:01,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:01,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:50:01,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 15:50:01,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:50:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:50:01,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-24 15:50:01,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:01,529 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:01,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,569 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,569 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,569 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,569 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:01,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:01,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:50:01,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:01,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,628 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,629 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,629 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,629 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:01,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:01,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:01,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:01,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:01,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:01,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:01,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:01,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:01,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:01,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,651 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,651 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,652 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,652 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:01,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:01,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:01,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:01,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:01,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:50:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,658 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,658 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,658 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:01,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:01,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:01,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:01,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:01,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 15:50:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:01,664 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:01,664 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:01,665 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:01,665 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:01,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:01,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:01,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:01,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:01,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:01,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:01,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 36 [2020-09-24 15:50:01,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:01,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359419793] [2020-09-24 15:50:01,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:01,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:50:01,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753952036] [2020-09-24 15:50:01,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:50:01,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:01,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:50:01,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:50:01,738 INFO L87 Difference]: Start difference. First operand 251 states and 271 transitions. Second operand 4 states. [2020-09-24 15:50:02,238 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:03,979 INFO L93 Difference]: Finished difference Result 581 states and 664 transitions. [2020-09-24 15:50:03,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:03,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-24 15:50:03,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:03,986 INFO L225 Difference]: With dead ends: 581 [2020-09-24 15:50:03,986 INFO L226 Difference]: Without dead ends: 440 [2020-09-24 15:50:03,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:03,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2020-09-24 15:50:04,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 386. [2020-09-24 15:50:04,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-09-24 15:50:04,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 427 transitions. [2020-09-24 15:50:04,056 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 427 transitions. Word has length 152 [2020-09-24 15:50:04,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:04,057 INFO L479 AbstractCegarLoop]: Abstraction has 386 states and 427 transitions. [2020-09-24 15:50:04,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 427 transitions. [2020-09-24 15:50:04,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:50:04,060 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:04,060 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:04,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:50:04,061 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:04,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:04,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1856383956, now seen corresponding path program 1 times [2020-09-24 15:50:04,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:04,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121910510] [2020-09-24 15:50:04,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:04,156 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:04,157 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:04,157 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:04,157 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:04,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:50:04,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:04,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:50:04,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:50:04,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:04,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:50:04,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:04,634 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:04,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:04,681 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:04,681 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:04,682 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:04,682 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:04,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:04,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:04,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:04,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:04,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:04,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:04,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:04,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:04,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:04,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:04,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:04,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:04,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:04,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:04,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:04,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:04,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:04,753 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:04,753 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:04,754 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:04,754 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:04,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:04,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:04,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:04,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:04,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:04,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:04,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:04,762 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:04,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:04,763 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:04,763 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:04,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:04,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:04,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:04,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:04,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:04,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:04,771 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:04,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:04,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:04,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:04,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:04,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:04,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:04,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:04,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:04,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:04,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:04,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:04,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:04,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:04,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:04,799 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:04,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:04,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:04,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:04,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:04,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:04,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:04,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:04,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:50:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:04,811 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:04,811 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:04,811 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:04,811 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:04,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:04,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:04,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:04,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:04,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:04,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:04,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:04,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:04,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:50:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:04,849 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:04,850 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:04,850 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:04,850 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:04,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:04,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:04,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:04,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:04,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:04,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:04,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121910510] [2020-09-24 15:50:04,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:04,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:50:04,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875820136] [2020-09-24 15:50:04,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:50:04,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:04,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:50:04,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:50:04,913 INFO L87 Difference]: Start difference. First operand 386 states and 427 transitions. Second operand 9 states. [2020-09-24 15:50:05,589 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:07,267 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:07,630 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:08,081 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:08,478 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:08,794 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:09,096 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:09,402 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:10,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:10,560 INFO L93 Difference]: Finished difference Result 1017 states and 1219 transitions. [2020-09-24 15:50:10,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:50:10,562 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-24 15:50:10,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:10,571 INFO L225 Difference]: With dead ends: 1017 [2020-09-24 15:50:10,571 INFO L226 Difference]: Without dead ends: 741 [2020-09-24 15:50:10,575 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:50:10,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2020-09-24 15:50:10,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 649. [2020-09-24 15:50:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-09-24 15:50:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 737 transitions. [2020-09-24 15:50:10,701 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 737 transitions. Word has length 161 [2020-09-24 15:50:10,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:10,701 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 737 transitions. [2020-09-24 15:50:10,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:50:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 737 transitions. [2020-09-24 15:50:10,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:50:10,706 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:10,706 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] [2020-09-24 15:50:10,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:50:10,706 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:10,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:10,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1830771564, now seen corresponding path program 1 times [2020-09-24 15:50:10,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:10,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1438274824] [2020-09-24 15:50:10,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:10,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:10,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:10,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:10,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:10,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:50:10,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:10,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 15:50:10,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:50:10,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:50:10,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 15:50:10,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,166 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:11,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,203 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,204 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,204 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:11,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:11,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:50:11,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:11,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:11,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:11,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:11,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:11,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:11,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:11,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:11,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:11,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:11,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,271 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,271 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,271 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,271 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:11,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:11,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:11,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:11,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:11,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:11,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:11,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:50:11,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:11,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:50:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,310 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,310 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:11,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:11,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:11,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:11,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:11,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:11,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:11,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:11,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:11,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:50:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:11,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:11,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:11,321 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:11,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:11,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:11,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:11,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:11,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:11,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:11,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:11,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:11,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1438274824] [2020-09-24 15:50:11,371 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:11,371 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:50:11,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174428851] [2020-09-24 15:50:11,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:50:11,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:11,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:50:11,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:50:11,373 INFO L87 Difference]: Start difference. First operand 649 states and 737 transitions. Second operand 6 states. [2020-09-24 15:50:12,037 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:14,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:14,037 INFO L93 Difference]: Finished difference Result 1501 states and 1814 transitions. [2020-09-24 15:50:14,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:50:14,037 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-09-24 15:50:14,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:14,044 INFO L225 Difference]: With dead ends: 1501 [2020-09-24 15:50:14,044 INFO L226 Difference]: Without dead ends: 962 [2020-09-24 15:50:14,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:14,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2020-09-24 15:50:14,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 869. [2020-09-24 15:50:14,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2020-09-24 15:50:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 996 transitions. [2020-09-24 15:50:14,162 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 996 transitions. Word has length 166 [2020-09-24 15:50:14,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:14,163 INFO L479 AbstractCegarLoop]: Abstraction has 869 states and 996 transitions. [2020-09-24 15:50:14,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:50:14,163 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 996 transitions. [2020-09-24 15:50:14,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:50:14,166 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:14,166 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] [2020-09-24 15:50:14,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:50:14,166 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:14,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:14,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1819990659, now seen corresponding path program 1 times [2020-09-24 15:50:14,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:14,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1646181528] [2020-09-24 15:50:14,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,267 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:50:14,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-09-24 15:50:14,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:50:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:14,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 15:50:14,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,663 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:14,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,710 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,710 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,711 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,711 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:14,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:14,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:14,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:14,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,769 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,769 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:14,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,774 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:14,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:14,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:14,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:14,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:14,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,786 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,787 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,787 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:14,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:14,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,856 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,856 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,856 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,856 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:14,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:14,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:14,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:14,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:14,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,905 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,905 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,906 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:14,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:14,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:14,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,914 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,914 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,914 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:14,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:14,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:14,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:14,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:14,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:50:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:14,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:14,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:14,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:14,947 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:14,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:14,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:14,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:14,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:14,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:14,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:14,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:14,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:14,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1646181528] [2020-09-24 15:50:14,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:14,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:50:14,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524948915] [2020-09-24 15:50:14,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:50:14,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:14,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:50:14,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:50:14,984 INFO L87 Difference]: Start difference. First operand 869 states and 996 transitions. Second operand 12 states. [2020-09-24 15:50:15,528 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:16,660 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:16,961 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:17,298 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:17,661 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:17,965 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:19,152 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:19,469 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:19,869 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:21,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:21,243 INFO L93 Difference]: Finished difference Result 1834 states and 2309 transitions. [2020-09-24 15:50:21,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:50:21,244 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-09-24 15:50:21,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:21,253 INFO L225 Difference]: With dead ends: 1834 [2020-09-24 15:50:21,253 INFO L226 Difference]: Without dead ends: 1364 [2020-09-24 15:50:21,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:50:21,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-09-24 15:50:21,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 1178. [2020-09-24 15:50:21,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2020-09-24 15:50:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1396 transitions. [2020-09-24 15:50:21,398 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1396 transitions. Word has length 166 [2020-09-24 15:50:21,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:21,399 INFO L479 AbstractCegarLoop]: Abstraction has 1178 states and 1396 transitions. [2020-09-24 15:50:21,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:50:21,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1396 transitions. [2020-09-24 15:50:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-09-24 15:50:21,405 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:21,405 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:21,405 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:50:21,406 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:21,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:21,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1054031860, now seen corresponding path program 1 times [2020-09-24 15:50:21,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:21,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120272228] [2020-09-24 15:50:21,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,472 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-09-24 15:50:21,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:21,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,810 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:21,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,819 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,819 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,819 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,820 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:21,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:21,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:21,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,857 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:21,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:21,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:21,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,861 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,861 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:21,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:21,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:21,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:21,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:21,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:21,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:21,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:21,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,877 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:21,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:21,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,894 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:21,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:21,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:21,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:50:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:50:21,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:21,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:50:21,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:21,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,952 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,952 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:21,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:21,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:50:21,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:21,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:21,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:21,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:21,970 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:21,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:21,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:21,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:21,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:21,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:50:21,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:21,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:21,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:22,003 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:22,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:22,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:22,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:22,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:22,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:22,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:22,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:22,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:22,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:50:22,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:22,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:22,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:22,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:22,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:22,064 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:22,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:22,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:22,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:22,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:22,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:22,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:22,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:22,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:22,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:22,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:22,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:22,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:22,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:22,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:22,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:22,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:22,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:22,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:22,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:22,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:22,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:50:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:22,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:22,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:22,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:22,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:22,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:22,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:22,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:22,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:22,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:22,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:50:22,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:22,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:22,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:22,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:22,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:22,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:22,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:22,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:22,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:22,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:22,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:22,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:22,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:22,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:22,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:22,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 15:50:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:22,093 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:22,093 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:22,093 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:22,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:22,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:22,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:22,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:22,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:22,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:22,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:22,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:22,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:50:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:22,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:22,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:22,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:22,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:22,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:22,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:22,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:22,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:22,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:22,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:22,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:22,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:22,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-24 15:50:22,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:22,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:22,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:22,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:22,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:22,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:22,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:22,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:22,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:22,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:22,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 15:50:22,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120272228] [2020-09-24 15:50:22,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:22,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 15:50:22,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130294657] [2020-09-24 15:50:22,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:50:22,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:22,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:50:22,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:50:22,177 INFO L87 Difference]: Start difference. First operand 1178 states and 1396 transitions. Second operand 13 states. [2020-09-24 15:50:23,447 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:24,015 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:24,330 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:24,668 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:50:24,989 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:25,340 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:25,665 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:27,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:27,794 INFO L93 Difference]: Finished difference Result 2050 states and 2497 transitions. [2020-09-24 15:50:27,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:50:27,795 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 243 [2020-09-24 15:50:27,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:27,801 INFO L225 Difference]: With dead ends: 2050 [2020-09-24 15:50:27,801 INFO L226 Difference]: Without dead ends: 800 [2020-09-24 15:50:27,806 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2020-09-24 15:50:27,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-09-24 15:50:27,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 728. [2020-09-24 15:50:27,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 728 states. [2020-09-24 15:50:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 728 states and 836 transitions. [2020-09-24 15:50:27,882 INFO L78 Accepts]: Start accepts. Automaton has 728 states and 836 transitions. Word has length 243 [2020-09-24 15:50:27,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:27,883 INFO L479 AbstractCegarLoop]: Abstraction has 728 states and 836 transitions. [2020-09-24 15:50:27,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:50:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 836 transitions. [2020-09-24 15:50:27,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-09-24 15:50:27,888 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:27,888 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:27,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:50:27,889 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:27,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:27,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1785919739, now seen corresponding path program 1 times [2020-09-24 15:50:27,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:27,890 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180655105] [2020-09-24 15:50:27,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:27,952 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:27,952 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -65 [2020-09-24 15:50:27,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 65 [2020-09-24 15:50:27,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:27,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-09-24 15:50:27,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:27,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:27,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:27,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:27,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 169 [2020-09-24 15:50:27,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:27,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,248 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:28,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:28,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:28,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:28,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:28,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:28,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,304 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,304 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,305 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,305 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:28,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:28,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:28,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:50:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:50:28,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:28,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 15:50:28,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:28,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,368 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:28,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:28,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 15:50:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,386 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,386 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:28,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:28,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:50:28,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:28,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,398 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,398 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:28,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:28,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:50:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:28,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,427 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,427 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,427 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,428 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:28,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:28,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:28,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:28,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:50:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:28,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:50:28,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,481 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:28,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-24 15:50:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,504 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,504 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:28,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:28,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 15:50:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,512 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,512 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:50:28,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-09-24 15:50:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,535 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:28,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:28,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,545 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:28,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:50:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,552 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,552 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,552 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:28,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:28,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 15:50:28,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,557 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,557 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,558 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,558 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:28,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 15:50:28,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,563 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,563 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,563 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:28,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:28,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-24 15:50:28,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180655105] [2020-09-24 15:50:28,678 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:28,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-24 15:50:28,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132835442] [2020-09-24 15:50:28,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:50:28,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:28,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:50:28,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:50:28,680 INFO L87 Difference]: Start difference. First operand 728 states and 836 transitions. Second operand 10 states. [2020-09-24 15:50:29,715 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:30,016 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:30,319 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:30,613 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:30,888 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:32,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:32,140 INFO L93 Difference]: Finished difference Result 1320 states and 1573 transitions. [2020-09-24 15:50:32,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:50:32,141 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 256 [2020-09-24 15:50:32,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:32,145 INFO L225 Difference]: With dead ends: 1320 [2020-09-24 15:50:32,145 INFO L226 Difference]: Without dead ends: 702 [2020-09-24 15:50:32,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:50:32,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-09-24 15:50:32,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 657. [2020-09-24 15:50:32,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 657 states. [2020-09-24 15:50:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 744 transitions. [2020-09-24 15:50:32,222 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 744 transitions. Word has length 256 [2020-09-24 15:50:32,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:32,222 INFO L479 AbstractCegarLoop]: Abstraction has 657 states and 744 transitions. [2020-09-24 15:50:32,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:50:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 744 transitions. [2020-09-24 15:50:32,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-09-24 15:50:32,228 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:32,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:32,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:50:32,228 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:32,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:32,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1094794073, now seen corresponding path program 1 times [2020-09-24 15:50:32,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:32,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [268045987] [2020-09-24 15:50:32,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,346 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,346 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,346 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 318 [2020-09-24 15:50:32,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 15:50:32,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-24 15:50:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:32,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 196 [2020-09-24 15:50:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,691 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:32,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,724 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,724 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,724 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,724 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:32,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:32,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:32,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,769 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:32,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:32,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:32,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:32,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,781 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:32,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:32,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:32,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:32,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:32,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:32,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,804 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:32,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:32,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:32,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:50:32,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:50:32,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,848 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,849 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,849 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,849 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:32,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:32,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:32,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,858 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:32,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:32,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:32,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,869 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,870 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,870 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,870 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:32,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:32,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,876 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,876 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,876 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,877 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:32,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:32,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:32,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,881 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,881 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,882 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,882 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:32,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:32,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:32,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:50:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:32,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:32,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:32,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:32,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:32,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:32,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 15:50:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,907 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,908 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,908 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:32,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:32,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:32,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:32,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:50:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,934 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,934 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,934 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,935 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-24 15:50:32,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:50:32,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-09-24 15:50:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 15:50:32,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:50:32,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:32,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:32,993 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:32,994 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:32,994 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:32,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:32,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:32,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:32,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:32,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:32,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 15:50:32,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:32,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 15:50:32,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:33,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,060 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:33,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:33,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:33,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:33,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:50:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:33,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:33,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:33,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:33,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:33,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:33,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-24 15:50:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,115 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:33,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:33,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:33,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:33,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:33,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:33,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 15:50:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:33,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:33,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:33,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:33,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:33,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:33,209 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 15:50:33,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [268045987] [2020-09-24 15:50:33,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:33,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-24 15:50:33,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764988949] [2020-09-24 15:50:33,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-24 15:50:33,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:33,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-24 15:50:33,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:50:33,211 INFO L87 Difference]: Start difference. First operand 657 states and 744 transitions. Second operand 15 states. [2020-09-24 15:50:33,704 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:34,728 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:37,138 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:37,462 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:37,807 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:38,118 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:38,417 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:38,727 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:39,022 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:39,355 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:39,652 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:39,966 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:40,262 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:40,560 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:40,855 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:41,148 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:41,437 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:41,767 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:42,083 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:42,389 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:43,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:43,455 INFO L93 Difference]: Finished difference Result 1745 states and 2055 transitions. [2020-09-24 15:50:43,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-24 15:50:43,455 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 261 [2020-09-24 15:50:43,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:43,462 INFO L225 Difference]: With dead ends: 1745 [2020-09-24 15:50:43,462 INFO L226 Difference]: Without dead ends: 1198 [2020-09-24 15:50:43,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=336, Invalid=1470, Unknown=0, NotChecked=0, Total=1806 [2020-09-24 15:50:43,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-09-24 15:50:43,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1127. [2020-09-24 15:50:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1127 states. [2020-09-24 15:50:43,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1275 transitions. [2020-09-24 15:50:43,600 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1275 transitions. Word has length 261 [2020-09-24 15:50:43,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:43,600 INFO L479 AbstractCegarLoop]: Abstraction has 1127 states and 1275 transitions. [2020-09-24 15:50:43,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-24 15:50:43,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1275 transitions. [2020-09-24 15:50:43,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-09-24 15:50:43,606 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:43,607 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:43,607 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:50:43,607 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:43,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:43,607 INFO L82 PathProgramCache]: Analyzing trace with hash 457192745, now seen corresponding path program 1 times [2020-09-24 15:50:43,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:43,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401024772] [2020-09-24 15:50:43,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:43,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:43,687 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:43,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:43,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:43,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 324 [2020-09-24 15:50:43,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:43,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:50:43,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:43,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:50:43,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 175 [2020-09-24 15:50:43,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-09-24 15:50:43,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,003 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:44,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,012 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:44,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:44,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:44,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,051 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,051 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,051 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,052 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:44,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:44,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:44,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,060 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,060 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:44,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:44,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-24 15:50:44,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:44,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-24 15:50:44,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 15:50:44,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:44,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:50:44,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:44,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:44,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:44,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:44,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:44,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:44,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:44,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:44,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:44,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,185 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:44,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:44,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:44,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:44,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:44,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-24 15:50:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,204 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,204 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,205 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:44,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:44,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:44,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:50:44,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:44,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:44,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-24 15:50:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,223 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,223 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,224 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:44,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:44,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:44,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:44,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 15:50:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:50:44,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:44,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:44,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:50:44,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,280 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,281 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,281 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,281 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:44,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:44,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,286 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,286 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,287 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,287 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:44,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:44,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-24 15:50:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:44,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:44,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,302 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,302 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,302 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,303 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:44,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:44,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:44,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-24 15:50:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,318 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:44,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:50:44,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:44,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:44,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:44,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-24 15:50:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:44,360 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:44,360 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:44,360 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:44,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:44,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:44,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:44,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:44,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:44,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:44,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:44,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 15:50:44,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401024772] [2020-09-24 15:50:44,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:44,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:50:44,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361535476] [2020-09-24 15:50:44,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:50:44,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:44,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:50:44,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:50:44,468 INFO L87 Difference]: Start difference. First operand 1127 states and 1275 transitions. Second operand 13 states. [2020-09-24 15:50:44,930 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:45,674 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:46,856 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:47,152 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:47,465 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:47,765 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:48,070 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:48,386 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:48,683 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:49,005 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189